EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's...

103
NOAA Data Report ERL PMEL-17 EQUATORIAL CURRENT AND TEMPERATURE·DATA: 108°W.to ll0°W: October 1979 to November 1983 H. Paul Freitag Michael J. McPhaden Andrew J. Shepherd Pacific Marine Environmental Laboratory Seattle, Washington April 1987 noaa NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION I Environmental Research Laboratories

Transcript of EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's...

Page 1: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

NOAA Data Report ERL PMEL-17

EQUATORIAL CURRENT AND TEMPERATURE·DATA:

108°W.to ll0°W: October 1979 to November 1983

H. Paul Freitag Michael J. McPhaden Andrew J. Shepherd

Pacific Marine Environmental Laboratory Seattle, Washington April 1987

noaa NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION I Environmental Research

Laboratories

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NOAA Data Report ERL PMEL-17

EQUATORIAL CURRENT AND TEMPERATURE DATA:

108°W to ll0°W: October 1979 to November 1983

H. Paul Freitag Michael J. McPhaden Andrew J. Shepherd

Pacific Marine Environmental Laboratory Seattle, Washington April 1987

UNITED STATES DEPARTMENT OF COMMERCE

Malcolm Baldrige, Secretary

NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION

Anthony J. Calio, Administrator

Environmental Research Laboratories

Vernon E. Derr, Director

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NOTICE

Mention of a commercial company or product does not constitute an endorsement by NOAA Environmental Research Laboratories. Use for publicity or advertising purposes of information from this publication concerning proprietary products or the tests of such products is not authorized.

Contribution No. 938 from NOAA/Pacific Marine Environmental Laboratory For ~ale by the National Technical lnform:uion Service, 5285 Port Royal Road

Spriligfield. \'A 2:!161

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CONTENTS

PAGE

Section I. DATA COLLECTION AND PROCESSING ••••••••••••••••••••••••.•••••••••• 1

A. INTRODUCTION ••••••••••••••••••••••••••••••••••••••••••••••••••••••• 1

B. INSTRUMENTATION •••••••••••••••••••••••••••••••••••••••••••••••••••• 7

C. DATA PROCESSING •••••••••••••••••••••••••••••••••••••••••••••••••••• 8

D. DATA PRESENTATION •••••••••••••••••••••••••••••••••••••••••••••••••• 8

E. ACKNOWLEDGMENTS •••••••••••••••••••••••••••••••••••••••••••••••••••• 9

F. REFERENCES •••••••••••••••••••••••••••••••••••••••••••••••••••••••• 10

Section II. DATA TABLES AND PLOTS ••••••••••••••••••••••••••••••••••••••••• 11

A. TIME SERIES ••••••••••••••••• ••••••••••• ••• ••••• •• •••••••••••••••• .11

B. STICK PLOTS ••••••••••••••••••••••••••••••••••••••••••••••••••••••• 27

C. SUMMARY STATISTICS •••••••••••••••••••••••••••••••••••••••••••••••• 33

D. HISTOGRAMS •••••••••••••••••••••••••••••••••••••••••••••••••••••••• 41

E. SPECTRA ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 71

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EQUATORIAL CURRENT AND TEMPERATURE DATA: 108°W to 110°W: October 1979 to November 1983

H. Paul Freitag, Michael J. McPhaden, and Andrew J. Shepherd

I. DATA COLLECTION AND PROCESSING

A. INTRODUCTION

Since January, 1979, surface-moored arrays have been measuring surface

winds, air temperature and upper ocean currents and temperature near the

equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean

Climate Studies (EPOCS). This report covers current and temperature

measurements made between 108°W and ll0°W from October, 1979, to November,

1983. Positions, deployment dates and recovery dates for these moorings are

listed in Table 1. Positions are plotted in Figure 1 and record lengths in

Figure 2. Bottom depths ranged from 3651 m to 3879 m. Reports from other

EPOCS sites and time periods will be forthcoming.

Table 1. Mooring position, deployment date and recovery date.

Mooring Latitude Longitude Deployment Recovery

T5 oo 40.3'S 110° 7.3'W 24 Oct 79 3 Mar 80 T7 oo 45.l'N 110° 14.0 1W 25 Oct 79 2 Mar 80 T9 oo 1.0' s 109° 27.4'W 5 Mar 80 8 Aug 80 TlO 00 34.4'S 110° 11.9'W 3 Mar 80 11 Aug 80 T8 oo o.o' 109° 33.5 1W 9 Aug 80 5 Feb 81 T11 oo 29.2'S 110° 28.3 1W 12 Aug 80 3 Feb 81 T12 oo 29.4'N 110° 29.1'W 10 Aug 80 31 Jan 81 Tl4 oo 32.5'N 110° 30.3'W 1 Feb 81 7 Jul 81 T15 oo 0.6 1 N 109° 33.8'W 6 Feb 81 9 Jul 81 Tl6 oo 31.1' s 110° 30.0'W 3 Feb 81 11 Jul 81 Tl8 oo 2.6'S 109° 39.7'W 10 Jul 81 28 Oct 81 T20 oo 36.6'N 109° 33.3'W 8 Jul 81 31 Oct 81 T22 oo 1.6'N 109° 29.4 1W 31 Oct 81 15 Apr 82 T27 oo 1.1' s 108° 0.2'W 15 Apr 82 27 Oct 82 T30 oo 4.0'S 108° O.O'W 28 Oct 82 22 Apr 83 T31 oo 2.2'N 109° 13.3'W 26 Oct 82 23 Apr 83 T32 oo 2.9'N 108° o.o'w 25 Apr 83 2 Nov 83 T34 oo 2.8 1 N 109° lO.l'W 24 Apr 83 1 Nov 83

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"'

MOORING POSITIONS

111° W 110°30'W 110° W 109°30'W 109° W. 108°30'W 108° W 107°30'W 1°N 1°N

o"ao·N

o• -

o"ao·s ~

1° s 111° w

T14 0 0

T12

T11 6'

T16

110°30'W

T7 0

T10 0

0 T5

110° w

T20 0

T15 T22. T31 ~o ot>T34 T18o TB o T9

109°30'W 109° w

Figure 1. Mooring positions

1oa"ao·w

1'32 T27 8

0 T30

108° w

o•ao·N

1-00

~o·ao·s

1° s 107°30'W

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0

25

50

75

100 ~

L: 125

w :c b: . 150 w D

175

200

225

250

275

0, 109 30'W

IJil g KXXXXXXX~XXXXX~~XXXX~

KXXXXXXXXI!OCI ~ 0

MJ!?~Mh~WM'Z<f£i~L6;~ .

r II Z71111 I IIIII I I I I l_---r-7 Ill ~Z£~~~~~~~~Z£~~~~~~~

,--,--,-I Ill .... ~~ ~

r 1'17111'"1111111'1' Ill I A~l_ll J tXX X XXXXfl< X XXX X XX XI'X'X X X X X X :t X)('X"5()i]fX"XX'"X'X X x XI

~ llll_~~~~~~~-~-~~ ~VS7Si'S?'X'S1

QxxxxM~6~l&?X~MJ~M~

r~ I I I II -,-~-~-Jrl .,,~

~ ~

T9 TB T15 T18 T22

~ CURRENT ~ TEMPERATURE

(XXXXXXXX!

= ~

r I I II ~-1-IHI_II

r 1:1-~LI_IIl f\?VYYYYY\N'\66!'\i'\Z\NV\il

11111:11'-7-~,----~

.17_1_1' I Ill l_l I I J -

II"-,-I I I ll' I I II~ IXXXXXXXX){XXXXX~

II'~~~,-~ I _II I~

T31 T34

DNDJ~MAflJJflSDNDJ~MB~~JASD.NDJPMAMJJASONDJPMAMJJASONO 1979 1980 1981 1982 1983

Figure 2a. Data distribution for moorings near o•, 109"30'W.

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0

25 ·~

L: 50

I ..,. 1'---' 75 o__ w 0

100

125

0, 108W In CURRENT 1l30l TEMPERATURE

f0.NS?VVSZVV'l = ~~

,, ,--, -r-11 ~

,, ,.-,,-,.,--, J rvvszvvys?VV'I~

T27 T30

'I Till~ ~

~II II~ ~

r.~ITI~ ~

T32

ONOJFMAMJJASONDJFMAMJJASDNDJFMAMJJASONDJFMAMJJASOND 1979 1980 1981 1982 1983

Figure 2b. Data distribution for moorings near o•, los•w.

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30'N, 110 30'W r.zJ CURRENT ~ TEMPERATURE

~x~~2S:~J 0 KXXXXXJ

E'J IXXXXXXXXXXXXXI toSXXXXXX>lXXXXXXXXXXJ

~Mi<l 25 r_ I I 1-T-,-----,-.1 I :ill ~~~

50 mA 17 __ 7_7711 7 I liY":1il

75

wo~ ~M~ ~

r~ ~~II II .,-~

~IIIII J" II~ I<'X'X'X'XXI

L: 125

"' :c h: ·150-4 ~ .,.--7 I I I I ~~;;T71

~ rvvvvv<l w D

175

200~~ 1'1117.] IIIII IXXXXXXXXl IX'X'XXX'J

225

250~~ Lilli~ ~

275 T7 Tl2 T14 T20

'DNDJPMAMJJASDNDJFMAMJJASONDJPMRMJJASONDJFMAMJJASDND 1979 1980 1981 1982 1983

Figure 2c. Data distribution for moorings near 0°30'N, 110•3o'w.

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30'S, 110 30'W Ul CURRENT li22l TEMPERATURE

KXXXXXJO<XXXXXXIIO<XXXXXXX!XXXXXXX~ 0--1 KXxxx:>a I<XXXXXXXX!xxxxxxx.:l

25

50

75

100 :L

"" ~ 125 J: f-< CL w D

150

175

200

225

250

275

., -,--T~II~L-r-L__.,~~ ~~ Jl F"J?')('\(')(")(')(lf')(')(')(S?"'2")(Y)!NV")(YYV"X')('lll

II ll_:..r 17 I_Zl~l_l 1_1'111_7 I_ J. ~~~ I?'VVVI7V'V"J

r-71 II'_L77_Zi7_777~ ~~

~l:;//,rT~Ii'T7rr-,--lll 7 .~ ~rXXXXXXXIk'XXXXX'X'X5dXXXXX~

,.---,1_711# ,-, ... .,~, r-7.-111 ~~ ~

r--~J ~~ ,,,,,,,,Ill tXXXXXXIE<XXXXXX541XXXXXXXXl<XXXX'XX'Xl

r" -,-I ll'tl'-1----r-11 r-7"-1 II~~ ~PVV'V"V'VVVl~

TS TlO T 11 T16

ONDJPMAMJJASONDJPMAMJJASONDJFMAMJJASONDJFMAMJJASOND 1979 1980 1981 1982 1983

Figure 2d. Data distribution for moorings near 0°30'S, ll0°30'W.

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B. INSTRUMENTATION

Current velocity and temperature were measured by EG&G Model 610 Vector

Averaging Current Meters (VACM). The VACM samples current direction (the sum

of compass and vane readings) every eighth revolution of a Savonious rotor and

converts to east and north components. The components are summed for 15

minutes and then recorded on digital cassette tape. Vector averaging in this

manner has the advantage of limiting the amount of high frequency noise

induced by mooring motion and surface waves.

Velocity calibation coefficients are based on tow tank runs made by John

Cherriman at the Institute of Ocean Sciences in England. RMS differences

between speeds computed using these coefficients and calibrations performed by

PMEL were 1.2 cm/s or less.

While the absolute accuracy of a surface-moored VACM is unknown, there is

evidence that it overestimates current velocity in highly variable flows by 17

percent or more (Karweit, 1974; McCullough, 1975). Nevertheless, the VACM

gives results similar to those of the EG&G Vector Measuring Current Meter

(VMCM), which underestimates velocity in highly variable, reversing flows

(Weller and Davis, 1980). For example, from VACM/VMCM pairs separated by 1 m

on taut-line equatorial moorings, Halpern (1987) reported RMS differences in

15-minute average zonal (meridional) current components ranging from 7,9

(10.0) cm/s at 13 m to 3.9 (2.5) cm/s at 160 m. These differences are from 14

to 4% of the mean speeds (69.2 cm/s at 13m and 67.8 cm/s at 160m).

Air and water temperatures were measured by Yellow Springs model 403

thermistors and averaged over the same 15-minute time period. Temperature

circuitry was calibrated at PMEL and thermistors at Northwest Regional

Calibration Center. Combined temperature accuracy is better than .• Ol~C. Air

temperature sensors were situated on the buoys at a height of 3.5 m above the

7

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sea surface and were in multiplated, self-aspirated radiation shields to

reduce the effects of wind and solar radiation. Water temperature thermistors

which were situated inside the VACMs have a short time constant (about 100 s;

Levine, 1981) relative to the 15-minute averaging interval.

C. DATA PROCESSING

Upon recovery of the moorings, data on the cassette tapes were

transferred to half-inch computer tape. Conversion of the data to engineering

units as well as initial quality checks were performed on a Control Data

Corporation CYBER computer at NOAA's ERL computer facility in Boulder,

Colorado. The details of this process are described by Halpern et al.

(1974). The data were subsequently block averaged at 24-hour intervals,

analyzed and plotted on PMEL's VAX 11/785 computer.

D. DATA PRESENTATION

These data have been grouped into four geographical areas: o•, 109.30'W;

30'N, ll0°30'W; 30'S 110•3o'w; o•, 108•w (Figure 1). The short meridional

scales and long zonal scales associated with the equatorial undercurrent make

it reasonable to assign mooring T20 to the north equatorial group rath~r than

the closer equatorial group. The zonal (meridional) range of each group is 55

(10) km, 105 (29) km, 42 (21) km and 0 (13) km, respectively. In July, 1981,

the depth of the uppermost current meter at the o•, 109°30 1W site was

decreased from 20 m to 15 m. Because of the fairly large zonal shear at this

depth (.025/s between 20 and 50 m) data from 20 and 15 m have been treated

separately.

Individual velocity components and temperature have been plotted against

time and depth for each site in section IIA. In order to keep a reasonable '

8

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and consistent time scale at all sites the 0°, 109°30 1W site has been

separated into periods before and after a six month gap in the summer of

1982. Velocity components have been combined and plotted as vectors (stick

diagrams) on the same time scale in section IIB. Note that the vectors have

been rotated so that east is towards the top of the page.

Mean, variance, skewness and extrema of the current components, speed and

temperature were computed for each daily averaged time series and are

tabulated in section IIC. Where gaps in the records occur statistics have

been computed for each section of the time series separately.

Histograms of velocity components and temperature are in section IID.

Starting and ending dates for the time period covered are listed above the

plots as well as the total number of daily values used (NPOINTS) and the

number of missing values (NOUT) for incomplete time series.

Spectral density of velocity components and temperature were computed

using a Cooley-Tukey Fourier transform and are plotted in log-log format in

section IIE. The number of periodogram ,points per spectral estimate along

with the 95 percent confidence interval for the corresponding number of

degrees of freedom are indicated in the lower portion of the plots. Where

gaps occur 1n the time series the spectra of each section of the record has

been plotted. Spectra of sections of less than 90 days were omitted.

E. ACKNOWLEDGMENTS

Dr. David Halpern (now at Jet Propulsion Laboratory, California Institute

of Technology) supervised the program which gathered these data as a

contribution to NOAA's Equatorial Pacific Ocean Climate Studies program. We

are very grateful to Doug Fenton, Scott Newell and Gene Duley for their

outstanding instrument and hardware preparation, logistical support and field

operations.

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F. REFERENCES

Halpern, D., J.R. Holbrook, and R.M. Reynolds (1974): A compilation of wind,

current and temperature measurements: Oregon, July and August 1973.

Coastal Upwelling Ecosystems Analysis, Tech. Rep. 6.

Halpern, D. (1987): Comparison of upper ocean VACM and VMCM observations in

the Equatorial Pacific. Journal of Atmospheric and Oceanic Technology,

in press.

Karweit, M. (1974): Response of a Savonious rotor to unsteady flow. J. Mar.

Res., 32,. 359-364.

Levine, M.D. (1981): Dynamic response of the VACM temperature sensor. Deep­

Sea Res., 28A, 1401-1408.

McCullough, J. (1975): Vector-averaging current meter speed calibration and

recording technique. Tech. Rep. 75-44, Woods Hole Oceanographic

Institution, Woods Hole, MA, 35 PP•

Weller, R.A. and R.E. Davis (1980): A vector-measuring current meter. Deep­

Sea Res., 27, 565-581.

10

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Section IIA: TIME SERIES

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Zonal Veloc~t~ at 0 , 109 30'W

175 ISO 125 100 75 50 25

0 -25 -50 -75

-100 20 m 15 m

200 175 !50 125 100 75 50 25 0

-2S

200 175 ISO

(jj 12S ' 100 .E 0 75

so 25 75 m 0

17S ISO 12S 100 75 so 2S 0

-2S

!00 75 so 2S

0 -25 -so 150 m 50 2S 0

-25 -so 200 m 50 2S

0 -25 -so 250 m

M A M J J A S 0 N 0 J f M A M J J A S 0 N 0 J F M A 1980 1981 1982

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ZonaL VeLoclt~ at 0 , 109 30'W

175 ISO 125 !DO 75 so 25 04-+.-+-~~~--~--~~--~

-25 -so -75

-]00

200 175 ]50 !25 !DO 75 so 25 01-~~~*---~-----+~--~

-25

200 ]75 ]50

(J) 125 '- ]00 ~ 75

so 25

50 m

01-~--~~~~~----~--~

175 ISO 125 !DO 75 so 25 o+-----~~~~----------~

-25

100 75 so 25 o+-~~~~----JL--------r

-25 -so 150 m so 25 0+-~~--~--~~~----~

-25 -so so 25 o+-.-~~L---~~~------r

-25 -so

0 N 0 J F M A M J J A S 0 N . 1982 1983

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MerLdLonaL VeLocLt~ at 0 , 109 30'H

100 75 50 25

0 -25 -50 -7S

-100 20 m 15 m 100 75 so 25

0 -25. -so -75

-100 50 m 100 75 50 25

0 -25 -50 -75

-100 75 m 100 75 so

(/) 25 ' 0 E

0 -25 -50 -75

-100 100 m 75 50 25 0

-2S -so -7S 150 m

75 50 25

0 -25 -50 -75 200 m 75 50 2S 0

-25 -50 -75 250 m

M A M J J A 5 0 N D J F M A M J J A 5 0 N 0 J F M A 1980 1981 1982

14

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MerLdLonaL VeLocLt~ at 0 , 109 30'W

!00 75 50 25 D~TM~mN~.-~~~~~~~

-25 -50 -75

-100

!00 75 50 25

15 m

04-T-~~*H~~~~~~~~ -25 -50 -75

-!00

100 75 50 25

50 m

04-T-~~~~~~~~~~~ -25 -50 -75

-100

!00 75 so

75 m

fJ) 25 ' D4-4h~~~~~~fifu~~T-~ 6 -25

-50 -75

-100

75 50 25

100 m

0~~~~~~~~~~~~~ -25 -50 -75

75 50 25

150 m

04-~~~~~~~~~~T-~ -25 -50 -75

75 50 25

200 m

04-~~~~~~PM~~~r-~ -25 -so -75 250 m

ONDJfMAMJJA50N 1982 1983

15

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Temperature at 0 7 109 30'H

29

~~ ~~-3.5 m 26 25

29~ 28 0 m 27 26 25

28 26 24 22 20

27 25 23 21 19 17 15

Cl 27 (/) 25 Ql 23 Ql 21 L 19 ar 17

Cl 15

27 25 23 21 19 17 15

22 20 18 16 14

15

14

13

13 12

11

50 m

ONDJ::PMAMJJA5DN 1982 1983

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ZonaL VeLoc~t~ at 0 ~ 108 H

17S ISO 12S 100 75 50 25 0

-25 -so 15 m -7S

-100

200 175 ISO

(/) 125

' 100 E 7S () so ~ 2S 50 m

0 -2S

175 ISO 125 100 75 so 2S lOOm~

0 -25

A M J J A 5 0 N 0 J f M A M J J A 5 0 N 1982 1983

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MerLdLonaL VeLocLt~ at 0 ~ 108 W

100 75 50 25 0

-25 -so 15 m -75

-100

100 75 50

(f) 25 ...... 0 E 0 -25

-so 50 m -75

-100

100 75 50 25

0 -25 -so -75

-100

A M J J A S 0 N 0 J F M A M J J A S 0 N 1982 1983

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Temperature at 0 , 108 w

28 26

~ 21 -3.5 m 22 20

28

~ 26 0 m 21 22 20

(_) 28 (/) 26

~ (]) Q) 24 En 22 Q) 20 15 m

0

27 25

~ 23 21 19 17 50 m 15

27 25 23 21 19 lOOm.~ 17 15

A M J J A S 0 N 0 J F M A M J J A S 0 N 1982 1983

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ZonaL VeLoc~t~ at 30'N , 110 30'W

125 100 75 so 25

0 -25 -so -75 20 m

-100 -125 -ISO

ISO 125 100 75 50 25

0 -25 -so 50 m -75

175 ISO 125

(j) 100 -...._ 75 E

0 50 75 m 25 0

-25

175 ISO 125 100 75 50 100 m 25

0 -25

100 75 50 25 150 m 0

-25 -so 50 25 200 m

0 -25 -50

50 25 250 m 0

-25 -50

0 N 0 J f M A M J J A 5 0 N 0 J f M A M J J A S 0 1979 1980 1981

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MerLdLonoL VeLocLl~ at 30'N, 110 30'W

100 75 50 25

0 -25 -so 20 m -75

-100

!00 75 so 2S 0

-2S -so 50 m -7S

-100

100 7S so 2S 0

-2S -so 75 m -7S

-100

!DO 7S so

(/) 25 ' 0 E () -25

-so 100 m -7S

-100

75 50 2S 0

-25 -50 150 m -7S

7S so 25

0 -2S -so 200 m -75

7S so 2S

0 -25 -so 250 m -7S

0 N 0 J F M A M J J A S 0 N 0 J F M A M J J A S 0 1879 1980 1981

22

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28 26 24 22 20

28 26 24 22 20

28 26 24 22 20

27 2S 23 21 IS 17 15

0 27 (/) 25 Q) 23 Q) 21 L 19 g> 17

o IS

18

16 14

1S

14

13

IS 14

13

13

12

11

Temperature at 30'N, 110 JO'W

-3.5 m 1-'

0 m

20 m

50 m

75m~

100 m

150m~

~200m~

~250m~

0 N 0 J f M A .M J J A 5 0 N 0 J f M A M J J A 5 0 1979 1980 1981

23 .

Page 28: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

ZonaL VeLoclt~ at 30'S , 110 30'W

12S !00 75 50 2S

0 -2S -so -7S

-100 -12S 20 m -ISO

200 !7S ISO 125 100 75 50 2S

0 -2S

17S !50 12S

(f) 100 ' 7S E {) 50

2S 0

-2S

!7S ISO 125 100 75 so 25

0 -2S

100 75 50 25 150 m

0 -25 -so

50 25 0

-25 -so 200 m so 25 0

-2S -so

0 N 0 J f M A M J J A 5 0 N D J f M A M J J A 5 0 1979 1980 1981

24

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Mer~d~onoL VeLoc~t~ at 30'S, 110 30'H

100 75 50 25 0

-25 -so -75

-!DO 20 m 100 75 50 25

0 -25 -so -75

-100 50 m 100 75 50 25 0

-25 -so -75

-JOO 75 m 100 75 50

00 25 '- 0 E {) -25

-so -75

-100 100 m 75 50 25 0

-25 -so 150 m -75

75 50 25 0

-25 -so -75 200 m 75 so 25 0

-25 -so -75 250 m

0 N D J F M A M J J A 5 0 N D J F M A M J J A S 0 1979 1980 1981

25

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Temperature at 30'S~ 110 30'H

28 26 24 22 20

28 26

~ 24 0 m 22 20

28 26 24 22 20

27 25 23 21 19 17 15

(_) 27 f/) 25 Q) 23 Q) 21 L 19 m 17 Q)

Cl 15

18 16 14

100 m 15 14 13 150 m

15 14 13

13 200 m

12 11

0 N 0 J F M A M J J A 5 0 N D J F M A M J J A 5 0 1979 .1980 1981

26

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Section IIB: STICK PLOTS

27

----------------------------------------------------------·--·-·

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0, 109 30'W CURRENT

100 7S so 2S E 0 lf)

-2S ....... -so -7S

-100

200 17S 1SO 12S 100 E

7S 0

so !.f)

2S 0

-2S

200 E 175 1SO

~ 12S (f) 100

' 7S E 50

25 0

175 150 125 100 75 so 25 0

100 7S so 25 0

50 25 0

25 0

-25

M A M J J A S 0 N 0 J F M A M J J A S 0 N 0 J F M A 1980 1981 1982

28

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O, 109 30'W CURRENT

so 25 o--f--;~~

-25 -so

50 25

-2gprgmJj

0 N 0 J F M A M J J A S 0 N 1982 1983

29

E 0 Ln

E

Page 34: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

0, 108W CURRENT

150 125 !DO 75 50 E 25 1..()

0 --25 E -so -75

-!DO

(J) 175 !50 ....... 125 E 100 E

75 0

50 1..()

25 0

150 125 !DO E

75 0

50 0 -25 0

A M J J A 5 0 N 0 J F M A M J J A 5 0 N 1982 1983

30

-----------

Page 35: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

75 50 25

0 -25 -so -75

-100

125 100 75 so 25

30'N, 110 30'H CURRENT

-2~~~~:; -50 -7S

150 12S 100 75 50 25 o+-----------------~

-25

0 N D J F M A M J ) A 5 0 N D J F M A M J J A S 0 1979 1980 1981

31

E U) ['...

E 0 0 ......

E 0· U) ......

E

Page 36: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

30~S, 110 30'W CURRENT

E

~~------------+~

E

75 rJJ so

......_ 25 E 0-t-----

E

E 0 lJ) .--<

E 0 0 C)!

25 E 0 0

-25 lJ) N

0 N 0 J F M A M J J A 5 0 N 0 J F M A M J J A 5 0 1979 1980 1981

32

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Section IIC: SUMMARY STATISTICS

33

Page 38: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

ZONAL VELOCITY AT 0, 109 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX 15 m 11 7 e1 14 4 e2 27e -19.2 1166.9 -0.37 -103.6 46.5 15 m 27 10 e2 16 3 e3 141 -1e. 1 1274.7 0.20 -95.0 61.e 15 m 25 4 e3 31 10 e3 190 c3.9 4975.2 o.e3 -110.4 176.4 20 m 7 3 eo e 7 e1 4e9 6. 1 2061.9 0.09 -103.7 121.4 50 m 7 3 eo 14 4 e2 769 77.4 1717.7 0. 16 -34.1 214.2 50 m 27 10 e2 31 10 e3 370 49.3 1444.9 -0.43 -34.3 156.0 75 m 7 3 eo 6 10 eo 214 105.e 1005.5 0.54 34.e 204.6 75 m e 2 e1 14 4 e2 431 111.4 637.3 -0.03 42.3 1eO. 5 75 m 27 10 e2 31 10 e3 370 59.0 1072.2 -0.55 -24.2 10e.7

100 m 7 3 eo 14 4 e2 769 92;9 5e3.7 0.42 30.4 190.2 100 m 27 10 e2 31 10 e3 370 57.5 1129. 1 -1. 17 -42.0 112.2 150 m 7 3 eo e 7 e1 4e9 47.3 231.6 0.39 10.0 99.7 150 m 1 11 e1 14 4 e2 165 53.5 219 .s 1. 14 30.4 10e.5 150 m 27 10 e2 31 10 e3 370 30.3 e32.0 -1.22 -59.5 e2.1 200 m 7 3 eo 30 4 eo 55 17.5 436.0 0.24 -23.1 69.1 200 m 11 e eo e 1 e1 151 2e. 6 177.2 -0.03 -1.3 57.2 200 m e 2 e1 14 4 e2 431 23.3 150.8 -0.30 -19.0 51.6 200 m 27 10 e2 31 10 e3 370 15.0 551.9 -O.e1 -51.e 50.7 250 m 11 8 eo e 7 e1 332 2.5 245.6 0.05 -31.2 37.9 250 m 1 11 e1 14 4 e2 165 -0.9 154.8 0.04 -27.6 23.5 250 m 27 10 82 31 10 e3 370 9. 1 623.6 -0.27 -41.5 52.9

MERIDIONAL VELOCITY AT a, 109 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX 15 m 11 7 e1 14 4 e2 27e -0.5 1712.0 0.16 -e6.4 94.3 15 m 27 10 e2 16 3 e3 141 -e. 1 332.2 -0.20 -61.4 3e.4 15 m 25 4 e3 31 10 83 190 5.3 9e5.1 0.23 -68.9 84.1 20 m 7 3 80 e 7 81 4e9 -4.6 1156.6 0.34 -76.0 106.8 50 m 7 3 80 14 4 e2 769 -e.9 757.8 -0.12 -89.0 82.1 50 m 27 10 82 31 10 83 370 -5.e 518.7 -a. 18 -70.6 53.5 75 m 7 3 80 6 10 80 214 -10.1 368.4 0.03 -65.6 50.2 75 m 8 2 81 14 4 e2 431 -1.5 291.0 0.04 -47.0 42.4 75 m 27 10 82 31 10 e3 370 -3.8 407.7 -0.24 -57.6 51.8

100 m 7 3 80 14 4 82 769 -5.6 239.5 -0.08 -47.3 40.9 100 m 27 10 82 31 10 83 370 -4.8 291.0 -0.25 -51.4 33.0 150 m 7 3 80 8 7 81 489 -4.5 197.9 -0.09 -42.5 43.e 150 m 1 1l e1 14 4 e2 165 -2.9 119.0 -0.62 -31.9 15.7 150 m 27 10 e2 31 10 e3 370 -2.1 248.9 0.03 -37.2 38.0 200 m 7 3 80 30 4 eo 55 -7.5 105.9 -0.18 -30.4 14.3 200 m 11 e 80 e 1 e1 151 -3.0 396.9 -0.10 -48.e 3e.5· 200 m e 2 e1 14 4 82 431 -0.8 209.6 -0. 17 •41.4 35.9 200 m 27 10 82 31 10 e3 370 -1.5 213.6 -a. 25 -41.7 30.7 250 m 1l 8 eo e 7 e1 332 -0.8 33e.9 0.08 -45.0 37.1 250 m 1 1l 81 14 4 82 165 -1.4 270.1 0.08 -43.1 29.2 250 m 27 10 82 31 10 83 370 1.2 181.2 -0.07 -34.1 33.7

34

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CURRENT SPEED AT 0, 109 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX 15 m 11 7 81 14 4 82 278 51.8 566,6 0.22 1.3 118.4 15 m 27 10 82 16 3 83 141 39.8 417.3 0.28 3.4 95.3 15 m 25 4 83 31 10 83 190 68.3 1338.7 0.98 11.6 188.3 20 m 7 3 80 8 7 81 489 51.7 602.4 0. 24 4.7 121.9 50 m 7 3 80 14 4 82 769 85.2 1289.5 0.57 3.6 214.8 50 m 27 10 82 31 10 83 370 61.2 689.2 0.11 1.3 156.5 75 m 7 3 80 6 10 80 214 107.9 1015.1 0,53 35.9 204.7 75 m 8 2 81 14 4 82 431 112.8 617.0 -0.02 47.6 181.6 75 m 27 10 82 31 10 83 370 65.0 750.2 -0.36 4.2 113. 7"

100 m 7 3 80 14 4 82 769 94.3 582.5 0.39 31.0 191.3 100 m 27 10 82 31 10 83 370 64.7 561. 1 -0.51 1.6 112.3 150 m 7 3 80 8 7 81 489 49.8 213.7 0.46 18.7 99.7 150 m 1 11 81 14 4 82 165 54.7 217.3 1. 11 31.8 108.9 150 m 27 10 82 31 10 83 370 42.2 220.3 -0.10 . 4.5 84.2 200 m 7 3 80 30 4 80 55 26.4 209.1 1. 25 3,6 70.5 200 m 11 8 80 8 1 81 151 35.9 111.6 0.12 10.5 63.4 200 m 8 2 81 14 4 82 431 28.2 107.5 0.04 2.8 54.6 200 m 27 10 82 31 10 83 370 29.5 123.3 -0.18 3.2 55.~ 250 m 11 8 80 8 7 81 332 22.5 85.9 a. 11 0.8 48.8 250 m 1 11 81 14 4 82 165 19.4 53.1 a. 13 2.5 44.8 250 m 27 10 82 31 10 83 370 28. 1 97.6 -0.16 2.4 53.0

TEMPERATURE AT 0, 109 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX -3.5 m 7 ·3 80 29 3 80 23 25.79 0.414 0.344 24.66 27.28 -3,5 m 11 8 80 15 3 82 582 23.22 2.250 0.294 19.93 27.20 -3,5 m 27 10 82 22 4 83 178 27.15 0.705 0.003 24.95 28.97

a m 7 3 80 21 3 80 15 25.24 1.325 -0. 172 23. 19 27.1:3 a m 11 8 80 29 3 81 231 23.17 2.374 0.937 20.47 27.71 a m 12 7 81 19 8 81 39 21.46 1.541 0.462 19.67 23.86 a m 1 11 81 16 11 81 16 22.37 0.823 0.472 21.30 24.08 0 m 27 10 82 22 4 83 178 28.09 0.940 -0.290 26.26 29.79

15 m 11 7 81 14 4 82 278 22:91 2.646 0.020 18.27 26.91 15 m 27 10 82 31 10 83 370 26.20 8.898 -0.891 19.26 29.50 20 m 7 3 80 8 7 81 489 23.25 3.286 -0.245 18. 19 26.88 50 m 7 3 80 14 4 82 769 19'.89 3.845 -0.261 14.52 24.59 50 m 27 10 82 31 10 83 370 22.95 16.625 -0.477 14.80 28.56 75 m 7 3 80 6 10 80 214 16.58 2.323 0.696 14. 19 21.60 75 m 8 2 81 14 4 82 431 17-.24 2.120 0.224 13.91 21.28 75 m 27 10 82 31 10 83 370 20.71 16.870 0.401 13.91 28.06

100 m 7 3 80 14 4 82 769 15.30 0.855 0.399 13.07 18.47 100 m 27 10 82 31 10 83 370 18.92 17.060 1. 023 13.53 28.00 150 m 7 3 80 8 7 81 489 13.48 0.149 0.383 12.63 14.96 150 m 1 11 81 14 4 82 165 13., 65 0.140 0.637 12.90 14.69 150 m 27 10 82 31 10 83 370 15.32 3.407 2.036 13.11 22.52 200 m 7 3 80 14 4 82 769 12.79 0.038 0.680 12.36 13.72 200 m 27 10 82 31 10 83 370 13.71 0.290 -0.552 12.08 15. 18 250 m 7 3 80 8 7 81 489 12", 45 0.034 -0.302 11.79 13:oo 250 m 1 11 81 14 4 82 165 12.50 0.023 0.188 12.12 12.88 250 m 27 10 82 31 10 83 370 12,50 0.488 -1. 161 10.30 13.66

35

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ZONAL VELOCITY AT 0, 108 w

Depth FROM TO N MEAN VAR SKEW MIN MAX 15 m 16 4 82 26 10 82 194 8.1 1187.1 0.04 -67.4 94.0 15 m 26 4 83 2 11 83 191 -2.5 4605.2 0.75 -113.4 169.3 50 m 16 4 82 26 10 82 194 67.5 1989.3 0.57 -10.4 176.2 50 m 26 4 83 2 11 83 191 68.8 733.0 -0.94 -22.6 125.9

100 m 16 4 82 4 1 83 264 98.9 722.3 ~0.20 13.7 167.1 100 m 26 4 83 2 11 83 191 68.5 343.5 -0.75 15.1 109.9

MERIDIONAL VELOCITY AT 0, 108 w Depth FROM TO N MEAN VAR SKEW MIN MAX

15 m 16 4 82 26 10 82 194 4.5 702.6 0.62 -43.5 83.9 15 m 26 4 83 2 11 83 191 0.9 871.5 0.24 -67.0 78.6 50 m 16 4 82 26 10 82 194 -4.1 673.0 0.37 -68.2 65.3 50 m 26 4 83 2 11 83 191 -0.6 356.2 0.10 -58.5 49.8

100 m 16 4 82 4 1 83 264 -4. 1 303.3 0.11 -55.9 52.3 100 m 26 4 83 2 11 83 191 2.1 247.9 -0.21 -35.8 38.0

CURRENT SPEED AT 0. 108 w

Depth FROM TO N MEAN VAR SKEW MIN MAX 15 m 16 4 82 26 10 82 194 39.2 436.6 0.51 2.6 96.~ 15 m 26 4 83 2 11 83 191 63.6 1444.0 0.68 4.2 169.5 50 m 16 4 82 26 10 82 194 74.9 1631.4 0."69 8.1 177.1 50 m 26 4 83 2 11 83 191 73.0 501.9 -0.16 16.5 126.7

100 m 16 4 82 4 1 83 264 100.7 669.0 -0.08 25.0 167.1 100 m 26 4 83 2 11 83 191 70.4 323.6 -0.74 18.2 110.0

TEMPERATURE AT 0, lOB W

Depth FROM TO N MEAN VAR SKEW MIN MAX -3.5 m 16 4 82 26 10 82 194 24.78 0.954 -0. 192 22.79 26.6'!

0 m 16 4 62 22 10 62 190 25.10 1.278 -0.339 22.86 27.49 15 m 16 4 62 26 10 82 194 24.96 1. 251 -0.287 22.70 26.93 15 m 26 4 63 2 11 63 191 24.24 12.507 0.095 17.99 29.53 50 m 16 4 62 26 10 62 194 23.05 2.962 -0.049 18.41 26.06 50 m 26 4 83 2 11 83 191 19.57 9.526 0.551 14.91 28.19

100 m 16 4 62 4 1 83 264 20.01 17.913 0.439 14. 70 27.71 100 m 26 4 63 2 11 83 191 16.42 2.115 -o. 136 13.72 19.79

36

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ZONAL VELOCITY AT 30'N, 110 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX 20 m 26 10 79 1 3 80 128 -32.5 1810.4 0.31 -111.0 62.5 20 m 12 8 80 6 7 81 329 -16.6 2194.0 0.17 -104.1 89.8 50 m 26 10 79 1 3 80 128 1.2 1292.5 -0.47 -84.9 69.4 50 m 12 8 80 17 3 81 218 26.2 1606.6 0.19 -51.2 138.3 50 m 9 7 81 20 8 81 43 13.7 552.9 0.57 -26.7 68.6 75 m 12 8 80 30 1 81 172 50.1 1354.0 0.29 -36.8 158.3 75 m 9 7 81 30 10 81 114 30.6 775.5 0.63 -27.6 116.3

100 m 26 10 79 1 3 80 128 36.0 758,9 -0.02 -20.3 94.1 . 100 m 12 8 80 30 1 81 172 58.9 835.4 0.35 1.8 125.2 100 m 9 7 81 30 10 81 114 40.9 739. 1 -0.06 -14.2 99.4 150 m 26 10 79 1 3 80 128 21. 1 269.0 -0.09 -22.1 57.4 150 m 12 8 80 30 1 81 172 40.5 332.2 -0.01 -6.4 93.2 150 m 9 7 81 30 10 81 114 26.0 380.5 -0.22 -14.0 65.9 200 m 26 10 79 1 3 80 128 8.1 120.1 0.60 -16.1 44.6 200 m 12 8 80 30 1 81 172 18.8 217.3 -0.03 -23.9 54.2 200 m 9 7 81 30 10 81 114 10.5 216.8 -0.46 -25.9 35.3 250 m 26 10 79 1 3 80 128 -0.4 125.3 -0.22 -24.2 20.5 250 m 12 8 80 30 1 81 172 1.3 227.4 0.37 -25.5 37.5

MERIDIONAL VELOCITY AT 30'N, 110 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX 20 m 26 10 79 1 3 80 128 7.7 962.7 0.21 -57.8 73.1 20 m 12 8 80 6 7 81 329 3.4 955.5 0.72 -54.8 112.7 50 m 26 10 79 1 3 80 128 -1.1 951.6 -0.37 -78.2 56.0 50 m 12 8 80 17 3 81 218 -2.1 1026.5 -0.22 -97.8 78.2 50 m 9 7 81 20 8 81 43 -2.8 659.4 0.12 -46.3 43.2 75 m 12 8 80 30 1 81 172 -7.6 427.9 -0.10 -55.7 53.3 75 m 9 7 81 30 10 81 114 -5.5 501.9 -0.42 -68.2 31.1

100 m 26 10 79 1 3 80 128 -1.9 211.5 -0.01 -37.0 26.9 100 m 12 8 80 30 1 81 172 -7.2 244.7 -0.14 -40.7 30.6 100 m 9 7 81 30 10 81 114 -2.2 307.9 -0.20 -47.1 31.9 150 m 26 10 79 1 3 80 128 -2.0 92.1 -0.11 -24.2 19.4 150 m 12 8 80 30 1 81 172 -7.9 239.0 0.00 -39.3 26.3 150 m 9 7 81 30 10 81 114 -1.8 227.2 -0. 17 -40.7 29.6 200 m 26 10 79 1 3 80 128 -0.7 83.0 0. 14 -21.9 18.4 200 m 12 8 80 30 1 81 172 -1.3 336.7 -0.09 -40.5 33.7 200 m 9 7 81 30 10 81 114 -0.8 240.9 -0. 13 -35.1 29.7 250 m 26 10 79 1 3 80 128 0.4 104.8 -0.16 -28.1 22.6 250 m 12 8 80 30 1 81 172 -2.3 352.5 -0.24 -44.1 37.0

37

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CURRENT SPEED AT 30'N, 110 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX 20 m 26 10 79 l 3 eo 12e 56.2 733.9 0.11 10.4 115.9 20 m 12 e eo 6 7 el 329 53,0 627. 1 0.25 2.e 116.0 50 m 26 10 79 l 3 eo l2e 42.4 446.2 0.27 2.7 e9.6 50 m 12 e eo 17 3 el 2le 51.2 707.3 o.e5 5.6 142.5 50 m 9 7 el 20 e el 43 33.e 262.4 0.46 6,3 69.9 75 m 12 e eo 30 l e1 172 59.2 851.7 o.e9 5,3 158.4 75 m 9 7 el 30 10 el 114 41.2 54e.l 0.99 4.0 116.3

100 m 26 10 79 l 3 eo l2e 42.2 4e9.e 0.44 1.4 94.1 100 m 12 e eo 30 l el 172 62.0 756.6 0.39 11.8 125.3 100 m 9 7 81 30 10 81 114 46.7 544.8 0.21 4.4 100.1 150 m 26 10 79 l 3 eo 128 25.5 157.3 0.57 2.2 57.8 150 m 12 e eo 30 1 81 172 44.3 309.6 0.14 5. l 96.3 150 m 9 7 el 30 10 e1 114 32.5 230.0 0.20 1.5 66.2 200 m 26 10 79 1 3 80 128 14.4 62.3 1. 10 0.6 44.6 200 m 12 8 eo 30 l 81 172 27.e 136.1 o. 16 2.6 57.6 200 m 9 7 81 30 10 el 114 22.6 55.4 -0.15 6. l 3e.l 250 m 26 10 79 l 3 80 128 13.9 36.1 0.19 1.9 2e.4 250 m 12 8 eo 30 1 81 172 22,2 96.0 0.30 4.8 48.7

TEMPERATURE AT 30'N. 110 30'W

Depth FROM TO N MEAN VAR SKEW MIN Mt,X -3.5 m 26 10 79 l 3 80 128 24.01 0.620 -0.124 22.31 26.02 -3.5 m 12 8 80 27 8 80 16 22.06 0.126 0.303 21.30 22.80 -3.5 m 3 2 81 30 10 el 270 23.81 2.805 -0.228 19.93 27.16

0 m 26 10 79 l 3 80 128 24.29 0.897 -0.118 21.95 27.04 0 m 12 8 80 30 10 81 445 23.74 2.812 0.118 19.56 27.63

20 m 26 10 79 l 3 80 128 24.01 o.e93 -o. 173 2Le3 26.02 20 m 12 8 80 6 7 81 329 23.43 2.953 -0.051 18.38 26'.58 50 m 26 10 79 l 3 80 128 22.·02 2. 101 -0.223 18.50 25.60 50 m 12 8 80 30 10 81 445 19.53 3.940 -0.604 14.53 23.03 75 m 12 8 80 30 l 81 172 17.15 4. 313 0.540 14.31 21.60

100 m 26 10 79 l 3 80 128 15.,72 1.671 1.483 14.06 19.94 100 m 9 7 81 30 10 81 114 1.4. 69 0.743 0.963 12.96 18.39 150 m 26 10 79 l 3 80 128 13.68 0.184 0.351 12.86 14.61 150 m 12 8 80 30 l 81 172 13.53 0.212 0.338 12.67 14.74 150 m 9 7 81 30 10 81 114 13.19 0.169 0.707 12.61 14.41 200 m 26 10 79 1 3 80 128 12.83 0,043 0.358 12.42 13,43 200 m 12 8 eo 30 l 81 172 12.74 0.044 1.182 12.25 13.63 200 m 9 7 81 30 10 81 114 12.70 0.033 1. 322 12.48 13.31 250 m 26 10 79 l 3 eo 128 12.34 0.017 0.239 12.09 12.68 250 m 12 8 eo 30 l 81 172 12.29 0.028 0.430 11.91 12.e2

38

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ZONAL VELOCITY AT 30'S, 110 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX 20 m 26 10 79 17 2 81 481 3.6 1312.9 0.22 -82.2 121.7 50 m 26 10 79 10 7 81 624 76.9 1429.0 0.57 -23.1 215.2 75 m 7 3 80 24 4 80 49 84.6 466.0 0.75 41.6 152.9 75 m 14 8 80 10 7 81 331 100.6 853.3 0.31 27.3 179.8

100 m 26 10 79 10 7 81 624 82.2 552.5 0.20 22.9 155.3 150 m 26 10 79 13 7 80 262 40.7 407.8 0.18 -27.3 122.5 150 m 5 2 81 10 7 81 156 39.6 390.0 0.71 3.8 98.0 200 m 26 10 79 6 2 80 104 19.6 136.9 -0.66 -12.9 40.8 200 m 7 3 80 5 7 80 121 17.6 313.3 -0.24 -37.9 70.7 200 m 14 8 80 10 7 81 331 18.5 250.4 -0.55 -26.5 57.0 250 m 26 10 79 15 7 80 254 -0.5 293.2 -0.23 -41.7 42.3 250 m 14 8 80 24 6 81 315 3.8 139.4 0.23 -28.8 32.7

MERIDIONAL VELOCITY AT 30'S, 110 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX 20 m 26 10 79 17 2 81 481 -7.8 1251.8 0.04 -86.8 75.7 50 m 26 10 79 10 7 81 624 -11.6 895.2 -0.20 -100.8 69 .• 75 m 7 3 80 24 4 80 49 -9.2 589.4 -0.80 -87.9 40.5 75 m 14 8 80 10 7 81 331 -8.1 472.0 -0.46 -74.8 61.5

100 m 26 10 79 10 7 81 624 -2.4 234.5 0.65 -60.3 100.0 150 m 26 10 79 13 7 80 262 -3.9 139.3 1. 05 -29.5 55.0 150 m 5 2 81 10 7 81 156 -1.9 127.8 -0.61 -35.4 19.6 200 m 26 10 79 6 2 80 104 -2.3 114.9 0.87 -22.6 31.5 200 m 7 3 80 5 7 80 121 -0.3 131.9 0.02 -23.8 28.1 200 m 14 8 80 10 7 81 331 -1.7 251.3 -0.24 -45.8 35.s 250 m 26 10 79 15 7 80 264 -0.3 159.2 0.25 -33.1 41.1 250 m 14 8 80 24 6 81. 315 0.3 227.7 -0.41 -40.2 41. q

39

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CURRENT SPEED AT 30'S, 110 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX 20 m 26 10 79 17 2 81 481 45.7 554.8 0.37 0.8 122.0 50 m 26 10 79 10 7 81 624 85.0 1156.5 0.87 7.5 215.4 75 m 7 3 80 24 4 80 49 88.2 513. 1 0.49 42.5 152.9 75 m 14 8 80 10 7 81 331 103.3 840.4 0.37 27.8 182.6

100 m 26 10 79 10 7 81 624 83.6 560.0 0.23 25.0 157.4 150 m 26 10 79 13 7 80 262 43.4 332.6 0.97 3.8 122.7 150 m 5 2 81 10 7 81 156 41.6 358.9 0.80 6.8 98.6 200 m 26 10 79 6 2 80 104 24.2 55.9 0.12 6.0 41.0 200 m 7 3 80 5 7 80 121 24.8 141.5 1. 22 2.2 70.7 200 m 14 8 80 10 7 81 331 26.8 126.6 0.05 1.6 57.8 250 m 26 10 79 15 7 80 264 19. 1 88.0 0.52 1.2 45.2 250 m 14 8 80 24 6 81 315 16.9 96.5 0.63 1.4 48.0

TEMPERATURE AT 30'S. 110 30'W

Depth FROM TO N MEAN VAR SKEW MIN MAX -3.5 m 26 10 79 10 7 81 624 23.97 2.125 0.115 20.63 27.77

0 m 26 10 79 1 3 80 128 23.98 0.485 0.057 22.36 25.52 0 m 14 8 80 10 7 81 331 23.69 2.143 0.376 20.57 27.48

20 m 26 10 79 17 2 81 481 23.20 2.385 -0.125 19.37 26.63 50 m 26 10 79 2 2 81 466 20.77 3.565 -0.479 15.61 24.80 50 m 15 2 81 10 7 81 146 21.25 4.496 -0.526 16.23 24.95 75 m 7 3 80 10 7 81 491 17.56 3.068 0.302 14. 12 22.87

100 m 26 10 79 10 7 81 624 15.65 1.454 0.561 12.99 19.99 150 m 26 10 79 13 7 80 262 13.55 0.230 0.930 12.67 15.81 150 m 5 2 81 10 7 81 156 13.20 0.196 0.823 12.56 14.62 200 m 26 10 79 10 7 81 624 12.71 0.045 1. 313 12.27 14.06 250 m 26 10 79 24 6 81 608 12.35 0.031 -0.752 11.42 12.80

40

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Section IID: HISTOGRAMS

41

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!-< z w u 0::: w 0..

!-< z w u 0::: w 0..

5.0 4.5 4.0 . 3.5 .

3.0 -2.5 2.0 1.5 1.0 -0.5 -

0, 109 30'W: -3.5m FROM DODO 7 MAR 80 TO DODO 22 APR 83 NPDINTS- 783, NOUT- 359

I I I I I I '

0.0 19

_j;f I

20

} 21

I

~ n ~ ~ ~ P Temperature•(degrees CJ

0, 109 30'W: O.Om FROM DODO 7 MAR 80 TO DODO 22 APR 83 NpDINTS - 479, NOUT - 663

5.5 I I I I I ' ' 5.0 4.5-4.0. 3.5 3.0 2.5 2.0-1.5 1.0

~ 0.5 c::J-:!7 0.0

' 2s 19 20 21 22 23 24 25 27

Tempera lure (degrees CJ

42

' f-1-

1--1--

~ -

28 29 30

-------

---

28 29 30

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6

5

E-o 1 :z w u 3 0::: w o_ 2

-

-

0, 109 30'H: 15m fROM 0000 11 JUL 81 TO 0000 31 OCT 83 NPOINTS- 594, NDUT- 249

r r r I I I I

1

~ .fjf1 m 0 ' -125 -100 -7S -so -2s o 2s so

ZonaL Veloc~l~ (cm/sl

NPOINTS - 609' NDUT - 234 7 I I r r

6-

E-o s

:z 1-w u 0::: 3-w o_

2

1- Ftt f 0 -125 -100 -7S -so -25 0 25 50

E--<

7

6

5

i3 1 u 0::: 3 w o_

2

1

0

-

-

-

-

-

-

NPOINTS -I

~ r r

Merl.&onaL Velocl.l~ (cm/sl

648, NDUT - 195 I I r I

ft H::

r r 7S 100

~~ 75 100

I I

~ }

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r.

125

f,-

r-

f-

r-

f,-

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--

-~

18 19 20 21 22 23 21 25 26 27 28 29 30 Te~perature (degrees CJ

43

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!---<

7

6

5

ti 4 (.) 0:: 3 w ()_ 2

1

0

8

7

6

~ 5 w (.) 4 0:: w 3 ()_

2

0

-

--

---

0, 109 30'W: 20m FROM 0000 7 MAR 80 TO 0000 8 JUL 81 NPOINTS- 489, NOUT- 0

I I I I I I I

~ ' ' -125 -100 -75 -so -2s o 2s so

ZonaL VeLocGl~ (cm/sl

NPOINTS- 489, NOUT- 0 I I I I I I

------- .!XV J

'

I

t 75

I

h171-

-125 -100 -75 -so -2s o 25 so 75

MercdconaL VeLocGl~ (cm/sl

NPOINTS- 489, NOUT- 0

I

-

-

~~ I

100 125

I

--~--

1-1-

roo

100 125

74---~~----L---L-I--~1--~--~~--~~----L-I __ L_I __ ~I--~1---t-

6-

!---< 5

z 1-w (.) 0:: 3 w ()_

2~

1-

0 n

18 19 ' '

r-

r­r-

20 21 22 23 21 25 26 27 28 29 30

Temperature (degrees CJ

44

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0, 109 30'W: 50m FROM 0000 7 MAR 80 TO 0000 31 OCT 83 NPOINTS - 1139, NOUT - 195

7+----L--~--~----L-__ L_ __ ~ __ _L __ _L __ ~----L---+

6

.... s t3 4 (_)

0::: 3 w (L 2

1

o+-24~~~~~~~~~4MXij~~~~-+ -so -2s 0 25 so 75 100 12S 150 17S 200 :22S

ZonaL VeLocLt~ (cm/sl

NPOINTS - 1139, NOUT - 195 8+-----~----~----~----L_ ____ L_ ____ L_ ____ L_ ____ ~

7

6

25 50

MerLdLonaL VeLocLt~ (cm/sl

NPOINTS- 1139, NOUT - 195

75 100

4.0~'---L __ L_~ __ _L __ L_~ __ _L __ L_~ __ _L __ L_~ __ _L __ L_~

3.S

3.0 E-< z 2.5 w u 2.0 0:::

[t l.S

1. D

o.5 I o.o+-~pLutnz~~~, ~fDL4~~.~fUL4~~~fU~~~~~~

14 18 19 20 21 22 23 24 25 26 27 28 29 Tempera lure (degrees Cl

Page 50: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

f-< :z w u 0::: w a_

0, 109 30'W: 75m FROM 0000 7 MAR 80 TO 0000 31 OCT 83 NPOINTS - 954, NOUT - 380

9+-----~-----L-----L----~----~------L-----~----+

8

7

E-< 6 :z w 5 (.) 0:0: 4 w a_ 3

2

1 o~ddA4~~~~~~~~~~~~~~~~--~

10

E-< 8 :z w (.) 6 0:0: w a_ 4

2

25 50 75 100 125 150 ~175 200 225

ZonaL Veloc~l~ (cmhsl

NPOINTS - 1015, NOUT - 319

04-~-x~~~~LU~~~LW~~~~4L~LL~f=~----~

-75 -so -25 0 25 50 75 Mer~d~onaL Veloc~l~ (cm/s)

NPOINTS- 1015, NOUT - 319 4.5 ' ' ' ' ' ' ' I I

4.0 . f-3.5 h 3.0 2.5 .

2.0 f-1.5 f-1.0 0.5

' rJ . H l~ f'WA rJ n ~ r> ! hR ~ ' ' ' I I o.o

13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Temperalure (degrees CJ

46

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0, 109 30 'W: 1OOm PROM 0000 7 MAR 80 TO 0000 31 OCT 83 NPOINTS- 1077, NOUT- 257

97------L----~------L-----~-----L-----i----~

8 7

E--< 6 z w s (_) 0:::: 4 w a... 3

2

1 o~~~~~~~~~~Kk~~~~~~==-=-+

2S so 75 100 125 150 17S ::200 ZonaL VeLocLl~ (cm/sl

NPOINTS - 1139, NOUT - 195 14

12

E--< 10

z 8 w

(_) 0:::: 6 w a...

4

2

0 -7S -so -25 0 2S so 7S

MerLdLonaL VeLocLl~ (cm/sl

NPOINTS - 1138, NOUT- 196 8~--L--L-I~I ___ L_I_L_I~ __ _L __ L_I~I __ _L __ L_~I __ _L __ L_I--r

6-

~ s w (_) 4 0:::: w 3-a...

2-

1

0 Lr1 13 14 IS

~ 16 17 18 19 20

Temperature

47

--

,._fJ._ .::fun. . .[' I I ' ' ' 21 22 23 24 2S ::26 .27 28

(degrees CJ

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0, 109 30'W: 150m FROM DODO 7 MAR 80 TO DODO 31 OCT 83 NPOINTS- 973, NOUT- 361

16+---------L-------~---------L--------~------~

14

12

~ 10 w (.) 8 0::: w 6 (L

4

2

o~LdLKdL~~~~~~AL~~~~~-=~---+ 0 25 50 75 100 ::t25

ZonaL VeLocLl~ (cm!sl

NPOINTS - 1024, NOUT - 310 14

12

E-< 10

z 8 w

(.) 0::: 6 w (L

4

2

0 -so -25 0 25 -so

MerLdLonaL VeLacLl~ (cm/s)

NPOINTS - 1024, NOUT - 310 8~-L-~I~I~_L_l_I~~IL_L_I~JI __ L_~I~I~_L_l_I~I~IL_L_Il_~

7-

6-

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2-

r­c­I­

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Temperature (degrees CJ ·

48

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0, 109 30'W: 200m PROM 0000 7 MAR 80 TO 0000 31 OCT 83 NPOINTS- 976, NOUT- 358

11i-----------~--------~L-----------L-----------r

12

10 E-< z: w u 0:: w 0....

E-< z: w u 0:: w 0....

8

6

21----17-:7!"7..,.--,.....V O~aL~~~~~~LKLU~~~~~L4~====~--+

-25 0 ~ ~ 75

ZonaL VeLoc~l~ (cm/sl

NPOINTS - 1007, NOUT - 327 H

12

10

8

6

1

2

0 -so -25 0 25 50

Mer~d~onaL VeLoc~l~ (cm/s)

NPOINTS - 1139, NOUT - 195

14.0 14.5 r5.o 15.5

(degrees Cl

49

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0, 109 30'H: 250m FROM 0000 7 MAR 80 TO DODD 31 OCT 83 NPOINTS - 867, NOUT - 467

st------L~=x~~=----=~----L------t 8

7

f-.< 6 :z w 5 (_) n::: 4 w (L 3

2

1 O+-~~~L4~LU~LU~dL~LL~~~~LU~n-----~

-so -25 0 25 50 75

ZonaL VeLac~t3 (cm/sl

NPOINTS - 867, NOUT - 467 11 10 9 8

f-.< 7 :z w 6 (_)

5 n::: w 4 (L

3 2 1 0

-so -25 0 25 so Mer~d~onaL VeLac~t3 (cm/sl

NPOINTS - 1024, NOUT - 310 161------L-----L----~----_J----~~~--L-----~----~

14

12

~ 10 w (_) 8 n::: w 6 (L

4.

2

o+----p~~~~~~~~~~~~~qci~-+ 10.0 10.5 11.0 11.5 12.0 12.5 .13.0 13.5

Temperature (degrees Cl

50

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E-< z w (_) 0::: w CL

E-< z w (_) 0::: w CL

H

12

10

8

6

4

2

0

0, lOBW: -3.5m FROM DODO 16 APR 82 TO DODO 26 OCT 82 NPOINTS- 194, NDUT- 0

22 23 24 25 26

Temperature (degrees CJ

0, lOBW: 0. Om FROM DODO 16 APR 82 TO DODO 22 OCT 82 NPOINTS- 190, NOUT- 0

27 28

11+-------L-____ _J ______ _L ______ _L ______ ~----~

10 9 8 7 6 5 4 3 2 1 O+----LUL~~~Lq~~~~UL~~~~~~4-----~

22 23 24 25 26 27 Temperature (degrees CJ

51 .

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f-< z w u 0::: w (L

f-< z w u 0::: w (L

f-<

0, 108W: 15m FROM 0000 16 APR 82 TO 0000 2 NOV 83 NPOINTS - 385, NOUT - 181

S.Si---J_ __ J_ __ ~--~--~.-~--~--1---~--~--L-~~

5.0 "'.S 4.0 3.S 3.0 2.S 2.0 1.5 1.0 o.s O.Oi-~~~~~~~~~~~TL~TL~tL~~~~~~~~

-12s -100 -7s -so -2s o 2s so 7.5 .100 12S 150 .175

ZonaL Veloc~l~ (cmhsl

NPOINTS - 385, NOUT - 181 11+------L----~-----L-----+?r--~------L-----~~--+

10 9 e 7 6 5 4 3 2 I o+----,r==E~~dJ~~~¥L~~~~~LL~~~--}

7

6

s

-JOO -75 -so -25 o 2s so

MercdconaL Veloccl~ (cm/sl

NPOINTS- 385, NOUT - 181 I I I I I I I I I

-

-

75 JOO

I I I

-

i5 4 - 1-u 0::: 3 w (L 2

I

0

- 1-' - 1-

-I"TT_ffi, rW lli ~ LP!ft. l

1-

17 18 !9 20 21 22 23 24 25 26 27 28 29 30

Temperature (degrees Cl

52

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E-o :z: w 0 0::: w (L

0, 108W: 50m FROM 0000 16 APR 82 TO 0000 2 NOV 83 NPOINTS- 385, NOUT- 181

8+---~----~--~----~--~----~----L_ __ _L __ ~

7

6

~ 5 w u 4 0:::

~ 3 2

1

Q~~LL~~~~~~~~~~~~~UL~LU~~~~L---4-

-25 0 25 50 75 100 125 !SO 175 ::200

ZonaL VeLoc~t~ (cmAsl

NPOINTS- 385, NOUT - 181 11 10

9 8

E-< 7 :z: w 6 u 0::: 5 w 4 (L

3 2 I 0

-75 -so -25 0 25 50 75

Mer~d~onaL VeLocLl~ (cm/s)

NPOINTS- 385, NOUT- 181 4.5 I I I I .I

4.0 - 1-

3.5 -3.0 - i--2.5 - '-

2.0 -I. 5 -I. 0 0.5

-

rnf rtffi ~ -vf1 8 r-1

-- -

I I 0.0 14 15 16 17 18 19 20 21 22 23 21 25 26 27 28 29

Temperature (degrees Cl

53

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0, 108W: lOOm FROM 0000 16 APR 82 TO 0000 2 NOV 83 NPOINTS - 455, NOUT- 111

9+-----~------L------L----~------J------L------~

8 7

f--o 6 :z w 5 0 0::: 4 w (L 3

2

1 o+--=~~~~~~~~~~~~~~~LL~~~~

14

12

f--o 10

:z 8 w

0 0::: 6 w (L

4

2

0

5

E--< 4 :z w 0 3 0::: w (L 2

0 2S so 7S 100 12S 150 ::17S

ZonaL VeLoc~t~ (em/~)

NPOINTS - 455, NOUT- 111

-75 -so -2S 0 2S so 7S Mer~d~onaL VeLoc~t~ (cm/sl

NPOINTS - 455, NOUT - 111

o+-~~~~~tl4~~~dqnn~crpnq~~~ilQnD~ 13 14 15 16 17 18. 19 20 21 22 23 24 25 :26 .27 28

Temperature (degrees CJ

54

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B

7

6

~ 5 w (_) 4 0::::

~ 3 2

1

0

7

6

!--< 5 r5 4 (_)

83 3 a... 2

1

0

--

--

30'N, 110 30'W: -3.5m FROM DODO 26 OCT 79 TO DODO 30 OCT 81 NPOINTS - 414, NOUT - 322

' ' L I.

r: v P-

P' v v v

v v v v

~ v v ~)"yv v ~ v v v

19 20 21 22 23 . 24 . 25

Temperature,ldegrees Cl

30'N 110 30'W: O.Om ' FROM DODO 26 OCT 79 TO 0000 30 OCT 81

NPOINTS- 573, NOUT- 163 I '

-

v - v v v v v v v v P- v

v v v v v ~ - ,.- v v v v v v

~ V'l ~~ v v v v v v v v v v v v v v v

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~rkm -26 27 28

' '

-f"" v v v -v v v ~~ v ' 19 20 21 22 23 24 25 26 27 28

Temperature (degrees Cl

55

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!-< z w (.) 0::: w 0..

--~

-

---

5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 !.5 !.0 0.5 0.0

·--

30'N, 110 30'W: 20m FROM DODO 26 OCT 79 TO 0000 6 JUL 81 NPOINTS - 457, NOUT - 163

I I I I I

7 v / v v /

v r v v v v v / v v v v v v v v / v v v ~ v v v / v / v v v v v v

r-.~ v v v v v vv v v v v v v vv v

-125 -100 -75 -50 -25 0 25 ZonaL VeL?c~t~ (cm/s)

NPOINTS - 457, NOUT - 163

I

-7 17 -v v

f{~ ·-v v -v 50 75 :100

8+-----~----~----~----~----L-----L-----L-----r

7

6

~ 5 w (.) 4 0:::: w 3 0...

2

I

0 ' -75 -so

NPOINTS -7

6

!--< 5

z 4 w (.) 0::: 3 w 0...

2

0 18 19

I

-25 25 50 75 100 J25 MerL&onoL Velac~t~ (cm/s)

457, NDUT - 163

I 20 . 22 23 24 25' 26 27

Temperature (degrees Cl

56

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30'N, 110 30'W: 50m FROM 0000 26 OCT 79 TO 0000 30 OCT 81 NPOINTS- 389, NOUT- 347

7+----L----L----L--~1.----~·1 ____ L_I ___ IL_ __ JI ____ ~I--~

6 -[-< 5- -i5 4-u Ei 3 ()._

2-

1- 1/1 n

0 111~ I -100 -75 -50 -25 0 25 ' 50 75 100 125 :150

7

6

[-< 5

i5 4 u 0::: 3 w ()._ 2

I

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--

ZonaL VeLacLl~ (cm/sl

NPOINTS- 389, NOUT- 347 I I

y y v v // ~ / / v /

/ v / ~VV7Yv· 7/ v / 1/ / / vv vvv.

T

7 vvv / / j~~:;vv / 7 v v/~jj / / vvv v;v /V

7j~vvvvvv v / ;~v vv; /V v / vv vv v / vvv vvv // vv 1,.-, 0

-100

.J».v :;vv~ :;:;;~; v vvvv I I

-75 -so -2s o 2s so

6

5

E-< 4 :z: w u 3 0::: w ()._ 2

1

0

-

-

-

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MerLdLonaL VeLocLl~ (cm/sl

NPOINTS- 573, NOUT- 163 I I I I I I

M~ { 1 I '

1-

f-

f-

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~~ ' 75 .100

-

-1-

i, 1-

' ' 14 15 16 17 18 19 20 21 22 23 24 25 2p

Temperature (degrees Cl

57

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9 B 7

E--< 6 z w 5 0 0:: w ~

CL 3

2

1

0

10

E--< 8 z w 0 6 0:: w CL 4

2

9

8

7

E--< 6 z w 5 0 0:: 4 w· CL 3

2

1

0

30'N, 110 30'W: 75m FROM DODO 12 AUG 80 TO 0000 30 OCT 81 NPOINTS- 286, NOUT - 159

-so -25 0 25 50 75 !DO

ZonaL VeLoc~t~ (cm/sl

NPOINTS- 286, NOUT - 159

-so -25 0 25

MerLd~onaL VeLocLt~ (cm/sl

NPOINTS - 172, NOUT - 273 ' ' ' ' ' '

----- V' v v r - v v

~ 17 :v

- v v v . v v v bf ~/[: -~ v v v vbP~

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!25

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Temperature (degrees Cl

58

!50 ::175

50 75

--

-

p- 17 -v v v v

171 v V/IA r-

21 22

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E-< z w (_) 0:: w (L

E-< z w (_) 0:: w (L

E-< z w ~ w (L

30'N, 110 30'W: lOOm FROM 0000 26 OCT 79 TO 0000 30 OCT 81 NPOINTS- 414, NOUT- 322

11~----J_----~----~----~----~----~----~----+

10 9 8 7 6 s 4 3 2 1 01-----~~~~LW~~~~~~LL~ULUL~~~~----+

-so -2S 0 2S 50 7S ::tOO J2S ~ISO

ZonaL VeLoc~t~ (cmfs)

NPOINTS- 414, NOUT- 322 14

12

10

8

6

4

2

0 -so -2S 0 25 50

Mer~d~onaL VeLoc~t~ (cm/sl

NPOINTS- 242, NOUT - 494

10

8

6

4

2

o+---_c~~~~~~~~~dA~~~urLL~~~~

12 13 14 15 16 17 18 19

Temperature (degrees CJ

59

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E-< :z w (.J 0::

30 ' N, 11 0 30 ' N : 150m fROM DODD 26 OCT 79 TO DODO 30 OCT 81 NPDINTS- 414, NDUT- 322

111-------~------~------~,-----~------~------+

10 9 B 7 6 s

&:: . ~

E-<

3 2 1 0~------~~~~~~~AW~~~~~~~~~~~~+

-so -2s o 2s so 7S JOO ZonaL VeLacLt~ (cm~s)

NPOINTS- 414, NDUT - 322 1~~----------~-----.~.-L-----------L-----------r

12

10

i3 8 (.J 0:: 6 w 0...

E-< :z w (.J 0:: w (L

2

o~-=~LA-L~fLilL~L1-L~~~~~~~~2---------r

-so -25 0 2S so MerLdLonaL VelocLt~ (cm/s)

NPDINTS - 414, NOUT - 322 104-------~------~------~------~------~------+

9 8 7 6 s ~

3 2

12.0 12.S 13.0 13.S 14.0 . 14:5 15.0 Temperature (degrees CJ

60

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30'N, 110 30'W: 200m FROM DODO 26 OCT 79 TO DODO 30 OCT 81 NPOINTS- 414, NDUT - 322

164-------~------~------~------L-______ L_ ______ ~

14

12

~ 10 w u 8 0::: w 6 a_

4

2

o+-------~-----=~~~~+L~~~~~~~~------+ -75 -50 -25 0 25 50 75

ZonaL VeLocLl~ (cm/sl

NPOINTS - 414, NDUT- 322 14+-----------~----------L-----------L---------~

12

10 E--< z w u 0::: w a_

8

6

2

Q4--==d~LL~~LU~~LL~~~~~LLU-4L~LL------+

25

E--< 20 z w u 15 0::: w a_ 10

5

-so -25 0 25 50

MerLdLonoL VeLocLl~ (cm/sl

NPOINTS- 414, NOUT- 322

11.0 11.5 12.0 12.5 13.0 13.-5

Te~peroture (degrees Cl

61

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30'N, 110 30'W: 250m FROM 0000 26 OCT 79 TO 0000 6 JUL 81 NPOINTS- 300, NOUT- 320

161-------~------~------~------~------L-------+

14

12

~ 10 w (.J 8 0::: w 6 CL

4

2

0~------.------=~~~~~~~~~~~--.-------+

-75 -50 -25 0 25 50 75 ZonaL VeLoc~l~ (em/B)

NPOINTS- 300, NOUT- 320 11

12

E-o 10

:z 8 w

(.J 0::: 6 w (L

4

2

0 -so -25 0 25 ·so

Mer~d~onaL VeLoc~l~ (cm/s)

NPOINTS - 300, NOUT- 320 30

25

E-o 20 :z w (.J 15 0::: w (L !0

5

0 11.5 12.0 12.5 :-)3.0

Temperature (degrees Cl

62

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~ ~ lW CJ ~ LJ (L

~ ~ LU CJ ~ UJ (L

7

6

5

1

3

2

l

0

30'S, 110 30'W: -3.5m FROM DODO 26 OCT 79 TO DODD 10 JUL 81 NPOINTS- 624, NOUT- 0

20 21 22 23 24 25 26 Temperature (degrees CJ

30'S, 110 30'W: O.Om FROM 0000 26 OCT 79 TO 0000 10 JUL 81 NPOINTS- 459, NOUT - 165

27 28

7+-----L-----~--~--~~-----L----~----L---~

6

5

1

3

2

1

0 20 21 22 23 21 25 26 27 28

Temperature (degrees Cl

63

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30'S, 110 30'W: 20m FROM DODO 26 OCT 79 TO 0000 17 FEB 81 NPOINTS- 481, NOUT- 0

9,_----L----L----~--~L----L----~--~L_ __ _L ____ + 8 7

f-< 6 z w 5 (_) ~ 4 w o_ 3

2

1 01-~-Y~~~~~~~~LW~~~~~~~~~~~~~

5

f-< 4 z w (_) 3 ~ w o_ 2

1

-100 -75 -so -2s o 2s so 75 100 :125

ZonaL VeLocLl~ (cm/sl

NPOINTS- 481, NOUT- 0

o+-_u~~~~~ilLWLf2~~~~~~~LU~~~FL--~

-100 -75 -so -25 o 25 so MerLdLonaL VeLocLl~ (cm/sl

NPOINTS- 481, NOUT- 0 9 I

8

7

b 6 z w 5 (_) ~ 4 w o_ 3

2

75 :100

1 o+----.~~~~JY~~~~~~~~~~~UL~u=~

18 19 20 21 22 23 24 25" Temperature (degrees CJ

64

26 27.

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30'S, 110 30'W: 50m FROM 0000 26 OCT 79 TO 0000 10 JUL 81 NPOINTS- 624, NOUT- 0

7+----L---L--~----L-__ L_ __ J_ __ _L __ _L __ ~----L---+

6

!--< 5

13 4 u E5 3 (L 2

1

o+---~~~~~~L¥U2~LUd4~U4~U4~~4-~P=~ -so -2s 0 2S SO 7S 100 12S ISO l7S 200 ::22S

ZonaL Veloc~t~ (cm/sl

NPOINTS- 624, NOUT- 0 s+-----J-----J_----~----~----~----L-____ L_ ____ r 8

7

!--< 6 z w s u et:: 4 w (L 3

2

l o+---~~~~~LULL~~~~~LL~~~~~~f===~~

6

5

!-< 4 z w u 3 et:: w (L 2

1

0

-125 -100 -75 -so -25 o 2s

MerLd~onaL Veloc~t~ (cm/sl

NPOINTS - 612, NOUT- 12

-

-

J J 15 16 17

~

I I I

~ 18 19 20 21 22

Temperature (degrees Cl

65

so 7S

I I

-

·~

23 24 25

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f-< z w (.J 0:: w 0....

30'5, 110 30'W: 75m FROM DODD 7 MAR 80 TO DODO 10 JUL 81 NPDINTS - 380, NDUT - 111

8~----~--~L---~-----L-----L----~----~----r

7

6

~ 5 w (.J 4 0:: w 3 0....

2

1

0~----~-L~~~UL~~~~~~~~LU~~~~--~

10

f-< 8 z w u 6 0:: w 0.... 4

2

0 25 50 75 100 125 ~150 175 :::200 ZonaL Veloc~l~ [cm/sl

NPDINTS- 380, NDUT- 111

o~-=~-F~~~~~~~~~~~~~~=4--~--+ -100 -75

NPDINTS -5.5 I

5.0 -4.5 -4.0 -3.5 -3.0 -

V" 2.5 - /' 2.0 - r v / 1. 5 -

r~ 1.0 - v v 0.5 :f" v vv 0.0

14 15

-so -25 o 2s Mer~d~onaL Veloc~l~ [cm/sl

491, NOUT - 0 I

V' 17 v v v v ,_,. Vp V

v v v v v v v v v v ~ v ~v v v v vv v ~ vv ~

I

v v v v v v v v v v v v v

1

v v

'I

v v v v. v

50 75

I

'-

-------

r-PJ -V VVI/r"J,._., ,..., -

16 17 18 19 20 21' 22 23 Temperature [degrees CJ

66

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30'S~ 110 30'W: lOOm FROM 0000 26 OCT 79 TO 0000 10 JUL 81 NPOINTS- 624, NOUT- 0

11+-----~------L------L----~------~-----L------~

..... :z: w u 0::: w 0....

10 9 8 7 6 s 4 3 2 1 0~--~=F~~~~~~~~K+~~~~Lb~==~--+

0 25 so 7S 100 12S 150 ]75 ZonaL VeLoc~t~ (cmhsl

NPOINTS- 624, NOUT - 0 14

12

..... 10 :z:

8 w u 0::: 6 w 0....

4

2

0 -75 -so -2S 0 2S 50 7S ::100

Mer~d~onaL VeLoc~t~ (cm/sl

NPOINTS- 624, NOUT - 0 9+-----L----L----~----L---~-----L----~----t

8

7

E-< 6 :z: w 5 u 0::: 4 w 0.... 3

2,

1 o~---=~~~dd~~~uu~~~~~~LL~~~~

12 13 14 15 16 17 18 19 2P Temperature (degrees CJ

67

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30 · S, 110 30 'W: 150m FROM DODO 26 OCT 79 TO DODO 10 JUL 81 NPOINTS- 418, NOUT- 206

1i+-----~------L------L----~~----J_----~------+

E-<

12

10

i3 8 u 0::: 6 w a...

i

2

0+-----~~L-~~~~~~~~~~LL~~~~=----=~

-so -2S 0 2S so 7S 100 .:t2S

ZonaL VeLocLl~ (cmAsJ

NPOINTS - 418, NOUT- 206 18+---------L-------_J ________ _L ________ J_ ________ ~ 16

li E-< 12 z w 10 u 0::: 8 w a... 6

i 2 o+---~~LL~~~~~~~~~~~------~~------~

E-< z w u 0::: w a...

-so -25 0 2S so 75 MerLdLonoL VeLacLl~ (cm/s)

NPOINTS - 418, NOUT - 206 10+-----~----~----~----~----~----L-----L---~

9 8 7 6 5 i 3 2 1

12.0 12.S 13.0 13.S 14.0 14.5 1S.O 1S.S Temperature (degrees CJ

68

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30'S, 110 30'W: 200m FROM 0000 26 OCT 79 TO 0000 10 JUL 81 NPOINTS- 556, NOUT - 68

18+-----~~----_L ______ l_ ____ ~------~------+

16

11 E-< 12 :z w 10 u a:: B w CL 6

4

2

o+------.----=¥~~d4~~~.~aL~4===~-+ -75 -so -2s a 2s 50 75

ZonaL VeLocLl~ (cmAsl

NPOINTS - 556, NOUT - 68 18~----------~----------~----------L-----------~

16

14

E-< 12 :z w 10 u a:: 8 w CL 6

4

2 o+-~~~L4LdLXLK~~~~~~~bo~---+

-so -25 0 .25 50 MerLdLonaL VeLocLl~ (cm/sl

NPOINTS - 624, NOUT - 0

12.0 12.5 13.0 13.5 14.0 14.5 Temperature (degrees Cl

69

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30'S, 110 30'W: 250m FROM DODO 26 OCT 79 TO DODO 24 JUN 81 NPDINTS- 579, NOUT - 29

11,_------~------~----~f-------~------~------+

12 10 .....

z w u ~ w (L

8

6

2

o+------.~~d4LU~~4dLU~~~Zb~------+ -7S -so -2S 0 25 so ""?S

ZonaL VeLoc~t~ (cm/sl

NPOINTS - 579, NDUT - 29 16

14

12 .....

10 z w u 8 ~ w 6 (L

4

2

0 -so -2S 0 25 ·so

Mer~d~onaL VeLoc~t~ (cm/sl

NPOINTS- 608, NDUT- 0 30+-----------~----------L-----------L---------~

25

..... 20 z w u 15 ~ w (L 10

5

11.0 11.5 12.0 'J2S 13.0 Temperature (degrees Cl

70

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Section IIE: SPECTRA

71

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--- 0, 109 30'W -3.5m 11 AUG 80 - 15 MAR 82 ............ D, 109 30'W -3.5m 27 OCT 82 - 22 APR 83

Cl c..

PERIOD (OAYSl 103 10 2 10 1 10°

1 o• ,.jlll.LI..I..L..L....IJ.U.J.I,.I...L.L__lll.I..I..I..J...L-1-__,.

T

::: 101

N

10·•~ - 95 PERCENT -

3 9

--- 0, 109 30'W 0, 109 30'W

O.Om 11 :AUG 80 - 28 MAR 81 O.Om 27 OCT 82 - 22 APR 83

T

101

~ ::: 10"

•, ·-._ ·· ... N

· .... . . ...

w·• - 95 PERCENT -

3 9

10~+-~~~~~~~~~~ 1~ 1~ 1~1 Iif

F'REOUENCY (CPDl

72

Page 77: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

101 10'

to'

B: 10' (.)

..... " ~ 103

E 0

102

101

10" 10"'

0, 109 30'W 20.0m 7 MAR 60 - 7 JUL 61 0, 109 30'W !5.0m 12 JUL 61 - 13 APR 82

············ 0, 109 30'W !5.0m 27 OCT 82 - 15 MAR 83 ------ 0, 109 30'W 15.0m 25 APR 83 - 31 OCT 63

PERIOD WAYS l PERIOD tDAYSl 10 2 10' 10° 10' 10 2 10' w•

u y

to'

B: 10' (.)

..... " .. -··. ~ w'

·. .. .. E ' 0

10'

-95 PERCENT 10' - 95 PERCENT -

3 9 3 9

10" w·• 10"' 1 o• 10"' w·• w·•

fREQUENCY ICPOl fREQUENCY ICPOJ

. -.......... ------

109 30'W 20.0m 7 NAR 60 - 7 JUL 81 0, 0, 109 30'W 15.0m 12 JUL 81 - 13 APR 82 0, 109 30'W 15.0m 27 OCT 62 - 31 .OCT 83

Cl IL.

10'

~ 10' ..

103 PERIOD

I I I

10'

I

' ' "'"\""·.

I DAYS! 10'

T

\ ·.. . \ . ' . \• •

--l!:

- 95 PERCENT __.!:

3 9

10°

1 0-3'-t--...--rTTTmr-,-rmrmr--.,-,-,-rm!-1~ I~ 1~ lif

fREQUENCY !CPO l

73

10°

10"

Page 78: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

105

~ 10' u

' .. ~ 10' E 0

10'

--- 0, 109 30'W 50.0m 7 MAR 80 - 13 APR 82 ............ 0, 109 30'W 50.0m 27 OCT 82 - 31 OCT 83

u

PERIOD !ORYSl 10 3 10 2 10 1 10°

10' .,jW.I..LL.l....J.._Il.w.LL.L.<--lll.J.J.u..L-'--1:

10'

~ 103

E 0

10'

v

- 95 PERCENT -- 10' - 95 PERCENT --

3 9 3 9

10·' 1 a·' FREQUENCY !CPDl

--- 0, 109 30'W 0, 109 30'W

50.0m 7 MAR 80 - 13 APR 82 50.0m 27 OCT 82 - 31 OCT 83

PER I DO !DRYS l 10 3 10' 10 1 !0°

10' ,jillllLL.L-'llll.LL.L..L-'l.t.LJ.J..;L.L.J-1:

T

10'

w·• - 95 PERCENT --

3 9

74

Page 79: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

--- 0, 109 30'W 0, 109 30'W 0, 109 30'W

PER I 00 WAYS l

75.0m 75.0m 75.0m

7 MAR 80 - 4 OCT 80 9 FEB B1 - 14 APR 82

27 OCT 82 - 31 OCT 83

PER I 00 !DAYS l 10 3 10 2 10' 10'

l05 3ill~~~~u_~~~~-F 103 10' 10 1 10°

10' 3illU..W..-'-'---"U.U.'-'-'--illll~~-F

10'

f2 103

u ...... N

~ 10' E u

101

10°

\ \

\ u .... ~\. \· .. ,

1 • •, \ I·

\ , ,.., .i 1, \ · .. :: \( \ '11; ·: • • 1 ni'·~·,:

'r ~·~/I ~' \~ 11 \". , ~ ,, . ~ I \ ..

\ . I<

- 95 PERCENT-

3 9

--- 0, 109 30'W ............ 0, 109 30 'w ------ 0, 109 30'W

10'

f2 103

u ...... N

~ 10' E u

10'

10'

75.0m 75.0m 75.0m

v

- 95 PERCENT-

3 9

7 MAR 80 - 4 OCT 80 9 FEB 81 - 14 APR 82

27 OCT 82 - 31 OCT 83

PER I 00 WAYS l 10 3 10 2 10' 10°

10'~~-'-l..~illlLLL-illll~~-k

D 0..

10'

:;: 101

N

' '

T

10·' - 95 PERCENT-

3 9

75

Page 80: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

--- 0, 109 30'W 100.0m 7 MAR 80 - 13 APR 82 ............ 0, 109 30. W 100. Om 27 OCT 82 - 31 OCT 83

PERIOD !DAYSl PERIOD !DAYSl 103 10' 10 1 10°

10• .,jlliLLLI..J....J..--"lllLLL'--JllULLJ_-'--k 10 3 10 2 10' 10°

10·~~.J....J..-->llllLLL'--lllULLL->--k

10"

~ 10' E 0

10'

u

- 95 PERCENT --

3 9

105

~ 10' E 0

10'

101

y

- 95 PERCENT --

3 9

10°,_.,~~-.on~.-rn~or 1~ 1~ 1~1 lif w·• w·•

FRF.:OUENCY !CFDl FRF.:OUENCY !CPDl

--- 0, 109 30'W 100.0m 7 MAR 80 - 13 APR 82 ············ D, 109 30'W 100.0m 27 OCT 82 - 31 OCT 83

Cl a..

PER I OD !DAYS l 10 3 10 2 10 1 10°

lO'~HL.J....J..~WLu-L-~LLJ.->-~

T

102

~ 10' N

- 95 PERCENT --

3 9

10"'·+-.-,~rmr--r-rn~r-..-.rrrrrrl-1~ 1~ 1~1 !if

FRF.:OUENCY (CFDl

76

10"

Page 81: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

lOs 10'

10'

D a.. 103

u ...... N

~ 102

E [)

101

10°

--- 0, 109 30"W ............ 0, 109 30' w ------ 0, 109 30'W

PERIOD WAYSJ

150.0m 150.0m 150.0m

7 MAR 80 - 7 JUL 81 2 NOV 81 - 14.APR 82

27 OCT 82 - 31 OCT 83

PERIOD !DAYSJ 10' 10 1 10° ID' 10' 10'

\ lOs

\ u v \ \

\ 10' ·>

§:' 10' u ...... N

~ 10' E [)

101

- 95 PERCENT - 1 o• - 95 PERCENT -

3 9 3 9

10-2 10-1 1 D" 10-' 10-' fREQUENCY !CPDJ fREQUENCY !CPDl

--- 0, 109 30"W ············ o, 109 30' w ------ 0, 109 3D'W

150.0m 150.0m 150.0m

7 MAR 80 - 7 JUL 81 2 NOV 81 - 14 APR 82

27 OCT 82 - 31 OCT 83

D a..

PER I OD WAYS J 10° 10' 10' 10'

!O'~~~~~~~~LU~~

10' --\ \ \

T

~ 101 I I

I ' N

---, I II

I I I \( .... \ '"~'

• ... " ... I I'' · .. ··.', ... \ \ .... ·.t ,,,. . . .. -'\\

.. , ... ·. \

I

- 95 PERCENT -

3 9

1 o·''+--.-rrrnm--.-r1rnT1'1T""--rmT!Tll-10-3 w·• 1 a·• 1 o'

PRE:OUENCY !CPDJ

77

10°

1 o•

Page 82: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

--- 0, 109 30'W 0, 109 30. w 0, 109 30'W

PER I OD !DAYS l

200.0m 200.0m 200.0m

12 AUG 80 - 8 JAN 81 9 FEB 81 - 14 APR 82

27 OCT 82 - 31 OCT 83

PERIOD IDAYSl 103 10' 10' 10°

10' -;;jill.l..LLLL-'11llll.L.L----"lllLL...L.JL-j,-to' 10' 10' to•

10' -,IW.J..LL.L.L---'llill.LJ..._L_JIW.ll.l.--'--J=

10'

~ 10' (..)

' N

~ 102

E 0

101

10"

\

' ' \ . .. ' • •• .. '!<.

u

'•

- 95 PERCENf-

3 9

10'

~ 10' (_)

' N

~ 10' E 0

10'

10"

v

- 95 PERCEN'f-9

1 0 "'·+-.-rrrrmr-r-rrrrrnr-r-rrrrrnl- 10 "'+..,-,rTnrmr-r-rrrrmr-rrmTrr!-1~ 1~ 1~1 Jif 1D1 1~ 1~ 1if

FREQUENCY ICPDl FREQUENCY ICPDl

--- 0, 109 30'W 200.0m 7 MAR 80 - 13 APR 82 ············ 0, 109 30'W 200.0m 27 OCT 82 - 31 OCT 83

PERIOD IOAYSJ 10 3 10 2 10 1 10°

1 D' -;;fWJJ.LL..L--'lJ.U.LL.L.L---"1W..JL..LJ---t-

T

101

10"' - 95 PERCENT --

78

Page 83: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

--- 0, t09 30'W 0, t09 30'W 0, t09 30'W

PE:RJOD (OAYSJ

250.0m 250.0m 250.0m

tt AUG 80 - 8 JUL 81 2 NOV 8t - t4 APR 82

27 OCT 82 - 3t OCT 83

PERIOD (OAYSJ tO' tO' tO'

tQ'~ww~~~~~~ww~--k to•

105 10 3 tO' tO' to•

to'

[2 t03 (._")

...... N

to•

I I I I

I I

I I

u

,, ,.\ I ·, l\1 \ .

I \/\ '

I I / ,,

f

- 95 PERCENT -

3 9

--- 0, 109 30'W 0, 109 30. w o, 109 30. w

v to'

[2 103 (._")

...... N

~ 10' E ()

250.0m 250.0m 250.0m

to'

to• - 95 PERCENT -

3 9

10-'·~-.rn~~rrrrnm--rnn~ I~ 1~ 10~ I~

F'REOUENCY (CPDJ

7 MAR 80 - 7 JUL 81 2 NOV 81 - 14 APR 82

27 OCT 82 - 31 OCT 83

PERJOD (OAYSJ

to' 103 10' tO' Jo•

I T

to' I I \ I

D I a.. I

~ 100 I

N I '/ '\ ,. ~~

(._") \ \ \ '11' \ ,,. ,, .... ~ 10-1 I

'-1,,

0> ,,,

OJ ·• ol 'D .. -. I

- 10-2

-----'f-10-3 - 95 PERCENT -

3 9

10-' 1 o-• w• fREQUENCY (CPDJ

79

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0, 108W -3.5m 16 RPR 82- 26 OCT 82

PERIOD IDAYSJ 10 3 10' 101 10°

1 o' .,jW.ll.L.L...L-'l.Llll..l..L..l.__JJJ.lllW-L.......j,.

T

101

- 95 PERCENT-

3 9

0, lDBW O.Om 16·APR 82- 22 OCT 82

PER I 00 !DAYS l 10 3 10' 10 1 10°

102 ~~.L...L-illWW~L-~~~-k

T

10'

12 ~ 10° N

w·• - 95 PERCENJ-9

w·• 10·• FREQUENCY ICPDl

80

Page 85: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

108 10 3

IDS

~ 10' (_)

..... N

~ 103

E

" 10

2

10'

10° 10_,

o, 108W IS.Om 16 APR 82 - 26 OCT 82 ............ 0, !08W IS.Om 27 APR 83 - 2 NOV 83

PERIOD WAYSl PERIOD (OAYSl 10 2 10 1 10° 10' 102 10 1

10•

u v IDS

0 •' Q_ 10'

(_)

..... N

~ 10' -·· ... E ... "

10' ••'.

- 95 PERCENT- 101 - 95 PERCENT-

3 9 3

9

10° 10-2 10-1 ID" ro""' 10-2 10-1

FREQUENCY (CPDl FREQUENCY (CPDl

0, 1 08W 15 .Om 16 APR 82 - 26 OCT 82 ............ 0, 10BW 15.0m 27 APR 83 - 2 NOV 83

0 Q_

PER I 00 WAYS l 10 3 10 2 10 1 10°

102~llL~-lli~~L-~~~-k

101 .... ··· ..

...... ~ 10° N

w·• 10_,

· . ..

- 95 'PERCENT-

3 9

10-2 10-1

FREQUENCY (CPDl

81

1 o•

!0°

1 o•

Page 86: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

0, 108W SO.Om 16 APR 82 - 26 OCT 82 ············ 0, 108W 50.0m 27 APR 83 - 2 NOV 83

PERIOD (OAYSJ PER !DO (DAYS l 103 10' 10' 10°

l05~~LL~~U-L-~~~~ 10 3 10 2 10 1 10°

1o·~~~~~LLL-illll~~~

10'

5: 103 (.)

' "

10'

10°

..... ... u

- 95 PERCENT-

J

D 0..

9

0, 108W 0, 108W

to' 10 3

10'

~ 10' N ~

(.)

~ 10., L m Q)

"0 ~ 10·'

10.,

10"' 1 o·3

10'

5: 10' (..)

' N

~ 102

E 0

101

10°

v

- 95 PERCENT-

J 9

10"'·4-.. ~~--~~~~~~ 1~ 1~ 1~ 1~

FRE:OUENCY ( CPDl

SO.Om 16 APR 82 - 26 OCT 82 50.0m 27 APR 83 - 2 NOV 83

PERIOD (QAYSJ. 10' 10' 10°

l ... •·,

- 95 PERCENT-

3 9

10"' 10"' ]0° FREQUENCY (CPDJ

82

Page 87: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

0, 108W 100.0m 16 APR B2 - 4 JAN 83 ············ 0, 108W 100.0m 27 APR B3 - 2 NOV 83

PER I 00 WAYS l PER [ 00 WAYS l 10 3 10 2 10 1 10° 103 10 2 10 1 10°

1 o• .,jillll.LL.L......IJJ.LLLL.L.L--'lu.LLJL.L...I-k 10' .,jWU-'-'L..L.~Lll.L.L.L_JjJJJ.U..L...L--J,.

10'

~ 102

E ()

101

u

- 95 PERCENT ·

3 9

0, 108W . ~-- ........ D, 108W

103 10'

102

D a.. ~ 101 " (.)

m 10' L m OJ

"0 - 10-1

10·2

10"' I 0-3

10'

D a.. 10' (.)

' " ~ 102

E ()

101

10°

v

...

- 95 PERCENT ·

3 9

10-2 10-1

F"RE:DUENCY !CPDJ

100.0m 16 APR 82 - 4 JAN 83 1DO.Om 27 APR 83 - 2 NOV 83

PERIOD !DAYSJ 10 2 101 10°

"T

- 95 I'ERCENT ·

3 9

10-2 10-1 10' F'RE:DUENCY !CPDJ

83

10"

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--- 30'N, 110 30'W -3.5m 26 OCT 79 - 1 MAR 80 ············ 30"N, 110 30"W -3.5m 3 FEB 81 - 30 OCT 81

PER I 00 tORI'S l 10' 10' 10 1 10°

1~~~LL~liULL~llLLL~

D a..

10'

;;:: 1 o" ~

--- 30"N 110 30'W 30"N' 110 3D"W

'

D a.. ;;:: 1 o' ~

.. . . . ··.: :.

. ' ... ... ' ..

T

· •... ··~:·

- 95 PERCEtt'f-

3 9

O.Om 26 OCT 79 - 1 MAR BD O.Om 13 AUG 80 - 30 OCT 81

T

- 95 PERCEtt'f-

3 9

84

Page 89: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

105 103

104

12 10' (.)

' N

~ 10' E 0

101

10°

10-1 10_,

30'N, 110 30'W 20.0m 26 OCT 7>3 - 1 MAR 80 ············ 30'N, 110 30'W 20.0m 12 AUG 80 - 5 JUL 81

PERIOD WAYSJ PERIOD (OAYSJ 10' 101 10° 10 3 10' 101

. 10•

.. u v ·. : .. .. 10' ·. : . : ... :

··- . ~·· 12 10' (.)

·. ' N

~ 10' E

-~ 0

101

10'

3 9 3 9

10_, w·• w·• 10" 10_, 10_, 10-1

F'REDUENCY (CPDJ F'RE:OUENCY (CPDJ

--- 30'N, 110 30'W 3D'N, 110 30'W

20.0m 26 OCT 79 - 1 MAR 60 20.0m 12 AUG 80 - 5 JUL 81

D "-

PER I 00 WAYS J 10' 10' 10 1 10°

1 o' -=fWw.L.LL--"illlLL'--llill.LLL-'--+

101 . ' ···.

T

~ 10° N .... . . .

·:: •,

- 95 PERCEN-T-

3 9

10-4'-l---c-ocrncrrn-~~~~r-rrrrrnl-1~ 1~ 10~ I~

F'REOUENCY (CPO J

85

10°

10"

Page 90: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

10' 103

10'

a: 10' (.)

..... N

~ 102

E (.)

10'

10'

10-1 10-3

30'N, 110 30'W 50.0m 26 OCT 79 - 1 MAR EO ............ 30'N, 110 30'W

PERIOD WAYSJ 10' 10' 10°

u

' '• · .. · ..

' .

- 95 PERCEtff-

3 9

10-· 10-1 1 o• PREOUENCY ICPDJ

--- 30'N, 110 30'W 30'N, 110 30'W

50.0m 12 AUG 80 - 15 MAR Bl

PERIOD IDAYSJ

10' 103 10' 10'

v 10'

a: 103 (.)

..... .. · ... N ~- .. ·.

~ 10' E (.)

10'

10°

3 9

10-1 ID-3 10-· 10-1

PREOUENCY ICPDJ

50.0m 26 OCT 79 - I MAR BO 50.0m 13 AUG 80 - 30 OCT B1

PER I DO !DAYS J 103 10' 10' 10°

1~~llLLL~WLWLL-illli~~~

D CL

10'

~ 101

N

..... ·. ..

. . . . .. . .... .. ' " . . . .... ··.

T

- 95 PERCEtff-

3 9

86

·. '•

10°

1 o•

Page 91: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

30'N, 110 30'W 75.0m 12 AUG 80 - 30 JAN 81 . ·- ......... 30'N, 110 30'W 75.0m 9 JUL 81 - 30 OCT 81

PE:RIOD CDAYSJ PE:RIOD !DAYSJ 10 3 10 2 10 1 10° 10 3 10 2 10 1 10°

10• 105

u v 10' 10'

~ 103 D a.. 10'

(_) (_)

..... ..... N N

~ 10' E

~ 102

E u u

101 101

10" - 95 PE:RCE:N'F- 10° - 95 PE:RCEN'F-

3 9

3 9

10-1 10-1 10-' 10-2 10-1 10" 10-J 10-2 10-1 10°

FREQUE:NCY !CPDJ FREQUENCY !CPOJ

30'N, 110 30'W 75.0m 12 AUG 80 - 30 JAN 81

PE:RIOD !OAYSJ

103 10 3 10 2 JDI 10°

T

10'

0 a.. ~ 101 N

(_)

3: 10' L en <D

"1J - 10"1

- 95 PERCE:N'F-

::l 9

10-J 10-J 10-2 m-1 1 o"

FREQUENCY !CPDJ

87

Page 92: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

lOS 103

10'

6: 10' u ...... .. ~ 10' E 0

10'

10°

10-1 10_,

--- 30'N, 30'N, 30'N,

110 30'W 110 30'W 110 30'W

PERJOD COAYS l 10' 10 1 10°

u

'

JOO.Om JOO.Om JOO.Om

lOS

104

6: 10' u ...... N

~ 10' E 0

101

26 OCT 79 - 1 MAR 80 12 AUG 80 - 30 JAN 81 9 JUL 81 - 30 OCT 81

PERIOD !DAYSl 10 3 10' 101

v

I I :• .,.

I v"-·

' '

10°

- 95 PERCEN-F-- 1 o• - 95 PERCEN-F--

3 9 3 9

10-1 w-• 10-1 10" ro-' w-• 10-1

F'REOUENCY !CPDl PREOUENCY !CPDl

--- 30'N, 110 30'W 100.0m 26 OCT 79- I MAR '80 30'N, 110 30'W 100.0m ·g JUL 81 - 30 OCT '81

D CL

PERIOD !DAYSl 10' 10' 10 1 10°

IO'~~~~~LLL-llillDU~-k

T

101

~ 10" ' ' N

3 9

' ' -

10-4'-1-.-rn-rmr----r..,.-mnr-rT"n-rrnl-10-3 w-• 10-1 10"

F'REOUENCY !CPDl

88

10"

Page 93: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

10' 103

103

5: 102

0

' N

~ 10' u

10°

10-1

--- 3D'N, 30'N, 30'N,

110 30'W 110 30'W 110 30'W

150.0m 150.0m 150.0m

26 OCT 79 - 1 MAR BD 12 AUG 80 - 30 JAN 81 9 JUL 81 - 30 OCT 81

PERIOD !DAYSl PER I OD WAYS l 10 2 10' 10°

10' 103 10' 10' . 10°

10'

•'/' v ."I ·~

,:, ··~ • I '\ ,:, "·\

• I :\ 5: 10' 0

' "' ~ 10' E

'.

u

10'

- 95 PERCE!&- 10'' - 95 PERCE!&-

3

--- 30'N, 30'N, 30'N,

9

110 30'W 110 30' w 110 30'W

150.0m 150.0m 150.0m

3 9

10'' 10''. fREQUENCY !CPDl

26 OCT 79 - 1 MAR BO 12 AUG 80 - 30 JAN Bl 9 JUL 81 - 30 OCT B1

PERIOD !OAYSl

10' 103 10 2 10 1 10°

'l I ., 10' '

D a.. ~ 10'' N

(.)

~ 10'' L m ID

"()

- 10''

10-•

3 9

.10_, 10-3 10'' 10'' 10'

fREQUENCY !CPDl

89

1 o'

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--- 30'N, 30'N, 30'N,

110 30'W 110 30'W 110 30'W

PER I 00 (DAYS J 10 3 10 2 10 1 10°

1Q4~wu~~~~~_mwu~~

10'

B: 10' (_) . ..... "' ~ 101

E 0

· .. ·· .. ,, u "'~. \

- 95 PERCEtff-

3 9

w·' 1 o·• 10' FRE:OUENCY ICPOJ

--- 30'N, 110 30'W .... · .. · · · ·· 30 ' N, 110 30' W ------ 30'N, 110 30'W

200.0rn 200.0m 200.0m

26 OCT 7B - 1 MAR 80 12 AUG 80 - 30 JAN 81 9 JUL 81 - 30 ocr a1

PERIOD IDAYSJ 10 3 10 2 10 1 10°

10·~llL~~~LLL-~~~-k

103

0 0.. 102 (_)

..... "' ~ 10' E 0

10°

200.0rn 200.0m 200.Dm

\

.· .... .·~/ 1, v

,.:.. \•, ' I . \

- 95 PERCEtff-

3 9

26 OCT 79 - 1 MAR 80 12 RUG 80 - 30 JAN 81 9 JUL 81 - 30 OCT 81

I ', ,,, ... , ',

3

90

9

I ',

'

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--- 30'N, 110 30'W 250.0m 26 OCT 79- 1 MAR 80 30'N, 110 30'W 250.0m 12 AUG 80 - 30 JAN 81

PERIOD (OAYSl 10 3 10 2 10 1 10°

10'~llLLL~~uu~~~~~

103

~ 10' u

' N

~ 101

E u

'•, u

·,:,

103

~ 102

u

' N

~ 101

E u

10"

·-

- 95 PERCEtff--

3 9

10-'-+--r-TTTrmr-.-.rnmr-rrrTTTnl-1~ 1~ 1~ 1~

PRE:OUENCY !CPDl

110 30'W

3 9

250.0m 26 OCT 79 - 1 MAR 80 30'N, ............ 30'N, 110 30'W 250.0m 12 AUG 80 - 30 JAN 81

PERIOD !DAYS l 10 3 10 2 10 1 10°

10'

T 10-1

D a_

:::: 10"' N

u

m 10-3

'-m

" "D - 10"'

10-s

3 9

10-6 1 D-3 w·• 10-1 1 o'

PRE:OUENCY (GPDl

91

Page 96: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

30'S, 110 30'W -3.5m 26 OCT 79 - 10 JUL 81

!DAYSJ 10' 10 1 10°

~~~ULLL-ill~~~~~~

T

102

§: ~ 10

1 ..

- 95 PERCENT

30 . 5, 11 0 30 . w 30 'S, II 0 30 'W

O.Om 26 OCT 79 - l ~AR 80 O.Om 15 AUG 80 - 10 JUL 81

PERIOD lDAYSl

10' I 03 10 2 10' 10°

T

10'

Cl 0..

~ 10' .. 0

m 1o" '-Cl ., •',

"0 .. - 10"'

. :. --.,

- 95 PERCEtff-

3 9

10"' 10-3 w·• w·• ID"

fREQUENCY (GPDJ

92

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30'5, 110 30'W 20.0m 26 OCT 79 - 16 FEB 81

PER I DO (DAYS l 10' 10' 10 1 10°

105~llLLL_nWLu_L_~~~~

10'

5: 10' u ..... N

~ 102

E

" 10'

10°

u

- 95 PERCENT -

3 9

0 a... 10' u ..... N

~ 10' E

" 10'

10' - 95 PERCENT -

3 9

10-1'-l-~m~~~~~~m,J--J0-3 1 o-• 10-1 1 o'

10- 1'-l---.--mTnn~~~~~~,J--10 _, 10 _, 10-1 10°

FREQUENCY !CPOl FREQUENCY !CPDl

30'5, 110 30'W 20-0m 26:0CT 79- 16 FEB Bl

PERIOD !DAYSl 10' 10' 101 10'

10' ~J.LLL.L__ll!.I.LI..L.L.L___jJJLlllJ...L..l--k

T

10'

10_, - 95 PERCENT -

3 9

10_, 10-1 1 o' FREQUENCY !CPDl

93

~ : '

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to• 10 3

10•

~ 10' 0

'· N

~ 10' E u ~

to'

101

10" w-•

30 . 5' 110 30 . w SO.Om 26 OCT 79 - 10 JUL 81

PERIOD WAYSl PERIOD !DAYSl 10 2 101 10°

to• 10 3 10 2 t0 1

u v 10•

~ 10' 0

' N

~ 10' E u

10'

- 95 PERCENT - 101 - 95 PERCENT -

3 9 3 9

to' 10-2 10-1 ID" m-• 10-' 10-1

F'REOUENCY !CPDl F'REOUENCY !CPDl

30'S, 110 3D'W SO,Om 26 OCT 79- 31 ~AN 81 ............ 30'S, 110 30'W SO.Om 15 F'EB 81 - 10 ~UL 81

PER !DO !DAYS l 10 3 10' 10 1 10°

1 o' .,jW.I..LI...L...I.........U.Ll..L.Ww....J'--WJ.!.!.LJ.-'--E

D a..

to'

~ 101 N

T

- 95 PERCENT -

94

10°

1 o'

Page 99: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

30"5, 110 30"W 75.0m 14 AUG 80 - 9 JUL 81

PER I DO WAYS l PERIOD !DAYSJ 10 3 10 2 10 1 10°

10' .,jill.ll.L.L.L_llllll.L.Ll-lWJ.LLJ._j_-j,-10 3 10 2 10 1 10°

10' .,jill.LLLL.L......W.llLL.J.....l.__lllJ.I..L;L.L.J-k

6: 10' (.)

' N

10'

10"

1D'

6: 10' [.)

' N

~ 10' E u

101

v

- 95 PERCENT - 10' - 95 PERCENT"-

3 9 3

10-2 10-1 1 o"

FRE:OUENCY !CPDl

30"5, 110 30"W 75.0m 7 'MAR 80- 9 JUL 81

D (L

10° PER I OD !DAYS l

10' 10 2 10 1

10' .,jill.ll.L.L.L_llllll.L.Ll-lWJ.LLJ._j_-j,-

T

10'

~ 10' N

10"' - 95 PERCENT -

3 9

10-34--...,--,rmrmr-r.,..,-rmr,--..,-,rrrnrij-1~ 1~ 1~1

lif FRE:OUENCY lCPOJ

95

9

Page 100: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

3D'S, 110 30'W 1DO.Om 26 OCT 79 - 10 JUL 81

PER I DO WAYS J PE:R!OO !DAYSJ 10 3 10 2 10 1 10°

105~~~~~~~~~~-s 10 3 10' 10 1 10°

10'~~~~~U-L-~~~,

10'

~ 10' t.>

' N

10'

10"

u 10'

~ 10' E 0

10'

v

- 95 PERCENT - 10' - '95 PERCENT -

3 9 3 9

3D'S, 110 30'W 100.0m 26:DCT 79- 10 JUL :81

PER IDD !DAYS J 10° 103 10' 10 1

1 o' -.JW.LL.l..'-'::==--""w.J..Ju....JL-~~~, T

10'

1 o·' - 95 PERCENT -

3 9

96

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10' 10 3

10'

[2 103 (.)

' N

~ 102

E ()

10'

10'

10'' 10''

30'S, II 0 30 '1-l ISO.Om 26 OCT 79 ~II JUL 80 ............ 30'S, 110 30'N ISO.Om 5 FEB 81 - 10 JUL 81

PERIOD WAYSl PERIOD !DAYSl 10 2 10 1 10° 10 3 10 2 10 1

10'

u y

10'

[2 10' (.)

' ...

~ 102

E ()

10' '

- 95 PERCENT · 10' - 95 PERCENT ·

3 9

3 9

10'' 10'' 10'' 10' m·' 10'' 10''

FREQUENCY !CPDl FREQUENCY !CPDl

30'S 1 11 0 30 'N 150 .• Om 26 OCT 79 - 11 ...JUL 80 ............ 30'S, 110 30'N 150.0m 5 FEB 81 - 10 ...JUL 81

PERIOD !DAYSl 10 3 10 2 10 1 10°

10'~~~~WLUUL-~~~-k

T

10'

1 o·• - 95 PERCENT ·

3 9

10 "'+--,-,rrnrmr-rTT1mmr;rnnT11rr!-l~ I~ 1~1 I~

FRLOUENCY !CPDl

97

10°

1 o'

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10'

£: 103 (_)

...... N

~ 10' E 0

30'S, 110 30'W 30'S, 110 30'W 30'S, 110 30'W

u

-95 PERCE

3 9

200.0m 200.0m 200.0m

26 OCT 79 - 6 FEB 80 7 MAR 80 - 4 JUL 80

15 AUG 80 - 10 JUL 81

PERIOD !OAYSJ 10 3 10 2 10' 10°

10' .,jlll.l.ll..L..L.----'IJU.Wu....JL-.JW.Wu...J.....J_-1;-

10'

£: 10' (.)

...... N

. ~ 10' E 0

101

10"

,, ' \ ,' \ -- ... ~-

v

- 95 PERCE

3 9

3D'S, 110 30'W 200.0m 26"0CT 79- 10 JUL Sl

PERIOD !DAYSJ 10 3 10 2 10' 10°

10'.,jlllilL~~WL~~~u...J..-'--\;-

T 10"

- 95 PERCENT -

3 9

98

Page 103: EQUATORIAL CURRENT AND TEMPERATURE·DATA · equator between 85°W and 140°W as part of NOAA's Equatorial Pacific Ocean Climate Studies (EPOCS). This report covers current and temperature

30'S, 110 30'W 250.0m 26 OCT 79- 15 JUL 80 30'S, 110 30'W 250.0m 15 AUG 80- 22 JUN 81

PER I DO WAYS J 10 3 10' 10' 10°

10·~~~~~LLL-llillLU-L-k

10'

~ 10' E (J

10'

10"

u

'• ...

- 95 PERCENT ~

3 9

10-2 1 o-• PREOUENCY lCPDJ

30'S, 110 30'W

10" 10 3

10_,

D CL ~ 10-2 N

u

re 10-' L

"' 0) -u ~ 10-•

10 ...

10 ... 10-3

10"

10'

~ 10' E (J

10'

10" - 95 PERCENT ---3--.9

10-2 10-1

FREQUENCY lCPDJ

250.0m 26 ·ocr 79 - 21 JUN 81

PERIOD WAYSJ 10 2 10' 10°

- 95 PERCENT -

3 9

10-2 10-J w• PREOUENCY lCPDJ

99

10"