| Site ID: |
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59 |
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Lat. |
26.0021 |
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India |
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Bihar |
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| River: |
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Sapt Kosi |
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Long. |
86.4203 |
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| Site name: |
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Supaul |
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Contributing
area: |
66006 |
km2 |
Ratio to Comparison
Station: |
2.84 |
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| Latest measurement: |
22-Nov-09 |
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Mean annual
runoff: |
236 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
139 |
mm |
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| Latest M/C ratio: |
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1.22 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
472 |
m3/sec |
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Percent of
mean 7-day total: |
73.3 |
% |
(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: |
2333 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
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2671 |
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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| 160 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
30.7 |
46.3 |
42.5 |
23.7 |
16.6 |
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| 206 |
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2003 |
14.7 |
16.0 |
21.5 |
19.6 |
7.4 |
21.5 |
12.3 |
14.1 |
30.3 |
24.0 |
11.8 |
12.7 |
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| 146 |
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2004 |
11.3 |
13.6 |
12.9 |
3.2 |
6.1 |
12.9 |
5.6 |
17.0 |
31.3 |
16.1 |
7.1 |
8.6 |
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| 237 |
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2005 |
7.3 |
9.4 |
18.3 |
16.9 |
5.4 |
20.2 |
33.3 |
29.9 |
23.7 |
32.4 |
25.3 |
14.8 |
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| 156 |
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2006 |
9.7 |
5.2 |
6.7 |
3.6 |
3.2 |
23.2 |
17.7 |
10.6 |
38.0 |
38.5 |
0.0 |
0.0 |
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| 437 |
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2007 |
8.8 |
9.3 |
11.5 |
8.7 |
9.9 |
19.9 |
43.1 |
47.1 |
92.7 |
113.3 |
53.7 |
18.6 |
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| 139 |
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2008 |
17.7 |
10.1 |
11.8 |
12.8 |
9.4 |
18.0 |
45.5 |
12.8 |
0.1 |
0.1 |
0.1 |
0.1 |
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| 196 |
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2009 |
0.1 |
0.2 |
4.3 |
1.8 |
6.5 |
11.8 |
18.5 |
29.5 |
60.7 |
43.1 |
19.4 |
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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