Established “Golden Regions
ColMont
Thi
Multiple Satellites -
MODIS, MERIS, VIIRS –Proxy
Real time processingFor ocean water quality products
(including normalized Water leaving radiance) -- nLw
Golden regions
Areas MapDate Online
VIIRS- Proxy
MODIS 1km
MERIS 1km
1 Long Island MVCOX (MVX) AERONET 1/10- present1/10 – present
1/10 – present
2 Venice AAOT (AOT) AERONET 1/10- present1/10 – present
1/10 – present
3 MVCO MVCOX (MVX) AERONET 1/10- present1/10 – present
1/10 – present
4 WaveCIS (Gulf) WaveCIS (WCS) AERONET 1/10- present
1/10 – present
1/10 – present
5 LucindaLucindaJetty (LJY) AERONET 1/10- present
1/10 – present
1/10 – present
6 COVE /Chesapeake regionChesapeakeBay (CBY) AERONET 1/10- present
1/10 – present
1/10 – present
7 Gustav_Dalen GDAT (GDT) AERONET 1/10- present1/10 – present
1/10 – present
8 Helsinki Helsinki (HLH) AERONET 1/10- present1/10 – present
1/10 – present
9 MOBY - Buoy MOBY (MOB) Buoy 1/10- present1/10 – present
1/10 – present
10 South pacific Gyre SouthPacificGyre (SPG) GYRE 1/10- present
1/10 – present
1/10 – present
11 North Pacific GyreNorthPacificGyre (NPG) GYRE 1/10- present
1/10 – present
1/10 – present
12 North Atlantic GyreNorthAtlanticGyre (NAG) GYRE 1/10- present
1/10 – present
1/10 – present
13 South Atlantic Gyre SouthAtlanticGyre (SAG) GYRE 1/10- present
1/10 – present
1/10 – present
14 Eureka CalCOFI (CCI) AERONET 1/10- present1/10 – present
1/10 – present
15 Abu_Al BukhooshAbuAlBukhoosh (AAB) AERONET 1/10- present
1/10 – present
1/10 – present
16 PalgrundenPalgrunden (PAL) AERONET 1/10- present
1/10 – present
1/10 – present
17 Boussole BuoyBoussoleBuoy (BOB) BUOY 1/10- present
1/10 – present
1/10 – present
18 Gloria Gloria (GAS) AERONET 1/10- present1/10 – present
1/10 – present
19 HOT Region MOBY (MOB) REGION 1/10- present1/10 – present
1/10 – present
20 BATS Region BATS (BTS) REGION 1/10- present1/10 – present
1/10 – present
21 CalCOFI* Region CalCOFI (CCI) REGION 1/10- present1/10 – present
1/10 – present
22 Yellow SeaGageochoSeaprism (GSP) AERONET 1/10- present
1/10 – present
1/10 – present
23 Thailand AeronetThailandSeaprosm (TSP) AERONET 1/10- present
1/10 – present
24 Santa Barbara Channel CalCOFI (CCI) REGION 1/10- present1/10 – present
1/10 – present
25 Monterey Bay CalCOFI (CCI) REGION 1/10 – present
1/10 – present
26 Newport, OregonOregonInsitu (OIS) REGION 6/11-present 6/11-present
6/11-present
27 Columbia RiverOregon Inistu (OIS) REGION 6/11-present 6/11-present
6/11-present
3
Golden Regions Data flow–Status
Type Success Failed Missing (AQOC/AQUA)
GMODO 856 109
SVM01 216 1 13/1
SVM02 213 1 16/1
SVM03 209 1 20/1
SVM04 203 2 25/1
SVM05 198 1 30/1
SVM06 195 1 33/1
SVM07 192 1 36/1
SVM08 113 2 0/1
SVM09 114 1 0/1
SVM10 113 1 0/1
SVM11 114 1 0/1
SVM12 114 1 0/1
SVM13 114 1 0/1
SVM14 113 2 0/1
SVM15 113 2 0/1
SVM16 114 1 0/2
July 20, 2011GTP QueryNRL Download
Note: SVM01 to SVM07 include both AQUA and AQOC (NRL Proxy)
July 20, 2011GTP QueryNRL Download
GTP Client v2.1
10:06 – Start10:28 – Connection error (after 15 min sleep)10:31 – Missing SVM16 band (query)11:07 – Missing SVM07 band (query)11:11 – Missing several AQOC bands (query)11:17 – Missing SVM06/07 bands (query)11:57 – Missing several AQOC bands (query)11:58 – GTP memory allocation error.... repeat these every several times (10-20 mins) ....15:56 – GTP memory allocation errors/uncompress errors
Type Success Failed Missing (AQOC/AQUA)
GMODO 463 0
SVM01 100 0 38/0
SVM02 100 0 38/0
SVM03 100 0 38/0
SVM04 101 0 38/0
SVM05 101 0 37/0
SVM06 100 0 37/0
SVM07 101 0 37/0
SVM08 69 0 0/0
SVM09 69 0 0/0
SVM10 69 0 0/0
SVM11 69 0 0/0
SVM12 69 0 0/0
SVM13 69 0 0/0
SVM14 69 0 0/0
SVM15 69 0 0/0
SVM16 69 0 0/0
July 21, 2011GTP QueryNRL Download
Note: SVM01 to SVM07 include both AQUA and AQOC (NRL Proxy)
DATA FLOW
7/19/11
7/19/11
Venice
• Rehearsal
• July 10th, 2011 image
• GTP access has been down since Friday (July 15th)
Chlorophyll-a and a_443 Image Difference and scatter plot examples
7/19/11
July 10, 2011 VIIR and MODIS processed
VIIRS MODIS
Example of Chlorophyll. All products processed
Remote sensing reflectance.
http://www7333.nrlssc.navy.mil/browse/lvl3/viirs/AAOT/2011/jul/?F=1&C=N&O=A&V=0&P=*chl**
http://www7333.nrlssc.navy.mil/browse/lvl3/modis/AAOT/2011/jul/?F=1&C=N&O=A&V=0&P=*chl*
7/19/11
Difference Plot July 10, 2011 - Venice Scatter plot MODIS Chl - VIIRS Chl
MODIS Chlor
MODIS – Chl mg/ m^3
VIIR
S –
CHL
http://www7333.nrlssc.navy.mil/browse/lvl5/modis-viirs/AAOT/2011/jul/?F=1&C=N&O=A&V=0&P=*chl*eps
7/19/11
July 10, 2011 VIIR and MODIS processed
VIIRS MODIS
Example of a_443 (QAA). All products processed
Remote sensing reflectance.
http://www7333.nrlssc.navy.mil/browse/lvl3/viirs/AAOT/2011/jul/?F=1&C=N&O=A&V=0&P=*chl**
http://www7333.nrlssc.navy.mil/browse/lvl3/modis/AAOT/2011/jul/?F=1&C=N&O=A&V=0&P=*chl*
Click to edit Master subtitle style
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 20
0.5
1
1.5
2f(x) = 1.01264730364883 x − 0.0489513307055454R² = 0.882131936719022f(x) = 0.834331847382958 x + 0.161363323396537
R² = 0.805343129255634
nLw - Matchup 551 MODIS and VIIRS and SeaPrism - AAOT
MODIS nLwLinear (MODIS nLw)VIIRS - nLw
nLw -satellite - 551 uw/cm2
SeaP
rism
551
uW
/cm
2/nm
20 40 60 80 100 120 140 160 180 2000.850000000000001
0.900000000000001
0.950000000000001
1
1.05
1.1
1.15
Top of Atm - Vicarious Adjustment AAOT - Aeronet VIIRS
1.126 (412nm)
1.056 (442nm)
1.006 (490nm)
0.984 (555nm)
0.996 (668nm)Julian Day 2011
Gain
--
Lt/ v
Lt
MODIS
VIIRS – Proxy
Chlorophyll
Example from Venice – Matchup
- Monitoring the Channel Gains In all regions
Channel Gains
Click to edit Master subtitle style
0 10 20 30 40 50 60 70 80 900.850000000000001
0.900000000000001
0.950000000000001
1
1.05
1.1
1.15
Top of Atm - Vicarious Adjustment LISCO - Aeronet VIIRS
1.036 (412nm)1.013 (442nm)0.991 (490nm)0.957 (555nm)0.989 (668nm)
Julian Day 2011
Gain
--
Lt/ v
Lt
MODIS
VIIRS – Proxy Channel Gains
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 10
0.5
1
1.5
2
f(x) = 0.955579297788183 x + 0.0190759530035487R² = 0.742314177822256
f(x) = 0.343294157285224 x + 0.285540081045885R² = 0.0214375819528367
nLw - Matchup 551 MODIS and VIIRS and SeaPrism - LISCO
MODIS nLw
nLw -satellite - 551 uw/cm2
SeaP
rism
551
uW
/cm
2/nm
Click to edit Master subtitle style
14
Regional Bias of the Lt
Aeronet – OC Spectral shift
VIRIS
Satellite Granules Real Time SDR
Time series from the SQL data base
Atmospheric correctionLr - Rayleigh , La - Aerosols tg_sol /tg gas - (surface to sun ,surface to sensor Trns Solar , TLg – glint radiance ,etc.)
Run N2gen
In reverseUsing satellite
inputs
• Regional Bias / trends • Real time trend radiance / satellite\• Feedback the Ltv , nLtv
to SQL database
Aeronet-OC nLwA (l)
Matchup Time,
location
Ltv (l)
nLw ( )l
Lt (l)
Transformed
to VIIRS
Real time “Vicarious” Regional matchup Lt and nLw
Water Leaving Radiance
Top Atmosphere Radiance
nLwV (l)
Click to edit Master subtitle style
Real time monitoring Regional Vicarious Adjustment
Modis VIIRS
412
442
490
555
668
Click to edit Master subtitle style
4 0 0 4 2 5 4 5 0 4 7 5 5 0 0 5 2 5 5 5 0 5 7 5 6 0 0 6 2 5 6 5 0 6 7 5 7 0 0
0 . 8 5 0
0 . 9 0 0
0 . 9 5 0
1 . 0 0 0
1 . 0 5 0
1 . 1 0 0
1 . 1 5 0
Top Of Atmosphe re Vicarious GainsAAOT January - July 2 0 1 1
W ave l e n gth (n m)
Vic
ario
us
Gai
n (
Lt/V
Lt)
4 0 0 4 2 5 4 5 0 4 7 5 5 0 0 5 2 5 5 5 0 5 7 5 6 0 0 6 2 5 6 5 0 6 7 5 7 0 0
0 .8 5 0
0 .9 0 0
0 .9 5 0
1 .0 0 0
1 .0 5 0
1 .1 0 0
1 .1 5 0
T op Of At m os pher e Vic a r ious Ga ins
He ls ink i J a nua r y - J u ly 2 01 1
Wave le n gth (n m)
Me
an G
ain (Lt/V
Lt)
4 0 0 4 2 5 4 5 0 4 7 5 5 0 0 5 2 5 5 5 0 5 7 5 6 0 0 6 2 5 6 5 0 6 7 5 7 0 0
0 .8 5 0
0 .9 0 0
0 .9 5 0
1 .0 0 0
1 .0 5 0
1 .1 0 0
1 .1 5 0
T op Of At m os pher e Vic a r ious Ga ins
Pa lg r unde n J a nua r y - J u ly 2 01 1
Wave le n gth (n m)
Me
an G
ain (Lt/V
Lt)
400 425 450 475 500 525 550 575 600 625 650 675 700
0.850000000000001
0.900000000000001
0.950000000000001
1
1.05
1.1
1.15
Top Of Atmosphe re Vicarious GainsLISCO January - July 2 0 1 1
Wavelength (nm)
Mea
n G
ain
(Lt/
VLt)
400 425 450 475 500 525 550 575 600 625 650 675 700
0.850000000000001
0.900000000000001
0.950000000000001
1
1.05
1.1
1.15
Top Of Atmosphere Vicarious GainsGDAT January - July 2011
GDAT
Wavelength (nm)
Mean
Gain
(Lt/V
Lt)
GDAT
LISCO
Helsinki
AAOT
Palgrunden
Click to edit Master subtitle style
400 425 450 475 500 525 550 575 600 625 650 675 7000.850
0.900
0.950
1.000
1.050
1.100
1.150
1.104 1.041 0.999 0.978 0.989
Top Of Atmosphere Vicarious GainsJanuary - July 2011
AAOT
Helsinki
Palgrunden
LISCO
GDAT
Mean
Wavelength (nm)
Mea
n Ga
in (L
t/VL
t)
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