| Site ID: |
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2415 |
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Lat. |
7.7290 |
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Sri
Lanka |
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North
Eastern |
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| River: |
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Batticola |
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Long. |
81.5289 |
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| Site name: |
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Karadiyanaru |
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Contributing
area: |
1457 |
km2 |
Ratio to Comparison
Station: |
0.06 |
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| Latest measurement: |
6-Nov-09 |
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Mean annual
runoff: |
27681 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
7246 |
mm |
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| Latest M/C ratio: |
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1.42 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
1317 |
m3/sec |
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Percent of
mean 7-day total: |
82.8 |
% |
(today's value compared to
mean for same period, 2003-2007) |
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| Ice-cover determination: |
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5 yr
recurrence flood: |
5854 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
|
5716 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
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| Comparison Station Information: |
Tokwe
Confluence D/s C/s (1495240) |
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Contributing
Area: |
7280 |
sq mi |
23237 |
sq km |
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| (Data from this gaging station are used for the calibration to
discharge, with an adjustment for different contributing areas) |
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| Notes: |
Comparison station is
placeholder, only; this site is not yet calibrated to actual discharge |
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| Discharge and runoff, based on satellite remote sensing (NASA
AMSR-E data) |
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| (For U.S, sites, nearby ground station discharge may also be
shown) |
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2008-Present |
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2002-Present |
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| Annual |
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|
Monthly Total Runoff (mm),
computed from above satellite-based discharge data |
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| Runoff |
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| (mm) |
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Jan |
Feb |
Mar |
April |
May |
June |
July |
Aug |
Sept |
Oct |
Nov |
Dec |
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| 16094 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
3516.6 |
3236.3 |
3087.3 |
3658.6 |
2595.6 |
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| 44044 |
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2003 |
2665.1 |
3045.9 |
3274.9 |
2767.4 |
4323.8 |
3283.6 |
4529.6 |
5177.1 |
4169.1 |
4274.3 |
2907.5 |
3625.3 |
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| 59864 |
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2004 |
2902.5 |
2885.6 |
3671.8 |
3791.2 |
4899.8 |
6368.8 |
7942.1 |
7543.3 |
5562.8 |
5974.1 |
4483.6 |
3838.2 |
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| 22483 |
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2005 |
3695.3 |
3033.2 |
2107.2 |
1270.2 |
1037.6 |
2420.6 |
4941.7 |
1359.6 |
695.0 |
500.0 |
536.2 |
886.7 |
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| 4702 |
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2006 |
488.3 |
407.5 |
188.4 |
391.3 |
1376.1 |
460.1 |
433.8 |
350.3 |
182.8 |
423.5 |
0.0 |
0.0 |
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| 7315 |
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2007 |
387.4 |
492.6 |
595.4 |
315.5 |
484.1 |
418.6 |
686.6 |
901.5 |
496.3 |
966.5 |
571.7 |
998.5 |
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| 7246 |
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2008 |
767.7 |
350.6 |
1029.5 |
319.9 |
851.4 |
952.7 |
691.7 |
535.9 |
311.1 |
363.5 |
645.8 |
426.4 |
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| 6077 |
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2009 |
326.5 |
365.8 |
459.9 |
1368.2 |
978.6 |
729.9 |
311.3 |
394.3 |
375.8 |
213.4 |
552.9 |
0.0 |
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| Discharge is estimated directly via a rating equation from
the remote sensing data (M/C ratio) shown below. |
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