Climate indices of kenten climatology station, bmkg -south sumatera
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Transcript of Climate indices of kenten climatology station, bmkg -south sumatera
CLIMATE INDICES OF KENTEN CLIMATOLOGY STATION, BMKG-SOUTH SUMATERA
Presented by:Dara KasihairaniStaff of Observation and InformationKenten Climatology Station, BMKG - South SumateraApril 2nd – 5th 2012, Citeko-Bogor
OUTLINE
Kenten Climatology Station Profile Kenten’s Climate Indices :
- Temperature- Rain
Conclusion
KEN
TEN
CLIM
ATO
LO
GY
STATIO
N
Located at 02 ⁰ 55' 38, 3’’S and 104 ⁰ 46' 19, 0''E, about 10 KM from the centre of Palembang City, South Sumatera.
Established in 1975 and started its operational in 1976.
Area: 1.6 hectare
KENTEN MET GARDEN
In the perspective of the global warming issue and proves of the climate change, Kenten’s data shows its climate variability and the trend of its changing over the 35 years operational.
RClimDex (1.0) is designed to provide a user friendly interface to compute indices of climate extremes recommended by the CCl/CLIVAR Expert Team for Climate Change Detection Monitoring and Indices (ETCCDMI).
20 indices from Kenten’s Data computed by.
RCLIMDEX (1.0)
TXN AND TXXMONTHLY MINIMUM & MAXIMUM VALUE OF DAILY MAXIMUM
TEMP (ºC)
TNN AND TNXMONTHLY MINIMUM & MAXIMUM VALUE OF DAILY MINIMUM
TEMP (ºC)
TX10P AND TX90PPERCENTAGE OF DAYS WHEN TX<10TH AND TX>90TH
PERCENTILE
TN10P AND TN90PPERCENTAGE OF DAYS WHEN TN<10TH AND TN>90TH
PERCENTILE (DAYS)
DTRMONTHLY MEAN DIFFERENCE BETWEEN TX AND
TN (ºC)
RX1-DAY AND RX5-DAYMONTHLY MAXIMUM 1-DAY AND CONSECUTIVE 5-DAY
PRECIPITATION (MM)
R10MM, R20MM, R50MMANNUAL COUNT OF DAYS WHEN PRCP>=10MM, 20MM, AND 50MM
(DAYS)
R95P AND R99PANNUAL TOTAL PRCP WHEN RR>95TH AND RR>99TH
PERCENTILE (MM)
PRCPTOTANNUAL TOTAL PRCP IN WET DAYS
(RR>=1MM)
SDIIANNUAL TOTAL PRECIPITATION DIVIDED BY THE
NUMBER OF WET DAYS (DEFINED AS PRCP>=1.0MM) IN THE YEAR (MM/DAY)
CDD AND CWD
Maximum number of consecutive days with RR<1mm (Days)
Maximum number of consecutive days with RR>=1mm (Days)
TABLE OF INDICES TRENDIndices Year Period Slope Slope Deviation P-Value
TXx 1976-2011 0.031 0.01 0.005
TXn 1976-2011 0.016 0.015 0.274
TNx 1976-2011 0.039 0.008 0
TNn 1976-2011 0.057 0.011 0
TX10p 1976-2011 -0.253 0.077 0.003
TX90p 1976-2011 0.567 0.134 0
TN10p 1976-2011 -0.766 0.1 0
TN90p 1976-2011 0.815 0.124 0
DTR 1976-2011 -0.016 0.007 0.027
RX1-Day 1976-2011 0.273 0.455 0.553
RX5-Day 1976-2011 1.375 0.681 0.052
R10mm 1976-2011 -0.03 0.196 0.879
R20mm 1976-2011 -0.069 0.149 0.646
R50mm 1976-2011 0.098 0.064 0.131
R95p 1976-2011 9.256 4.379 0.042
R99p 1976-2011 2.872 1.963 0.153
PRCPTOT 1976-2011 5.372 7.347 0.47
SDII 1976-2011 0.06 0.032 0.069
CDD 1976-2011 0.236 0.237 0.153
CWD 1976-2011 -0.043 0.071 0.47
The increasing trend- TXx,- TNx,- TNn,- TN90p,- TX90p,and - R95p.
The decreasing trend- TN10p, and - TX10p
CONTACT PERSON
KENTEN CLIMATOLOGY STATION
JL.RESIDEN H.AMALUDDIN SAKO-KENTEN,PALEMBANG 30164, PO. BOX. 1191 PHONE: +62711 811642FAX: +62711 810831EMAIL: [email protected]