| Site ID: |
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127 |
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Lat. |
30.7648 |
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China |
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Hubei |
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| River: |
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Han Trib |
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Long. |
113.5860 |
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| Site name: |
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Hanchuan |
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Contributing
area: |
4736 |
km2 |
Ratio to Comparison
Station: |
0.20 |
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| Latest measurement: |
10-Nov-09 |
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Mean annual
runoff: |
6054 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
4279 |
mm |
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| Latest M/C ratio: |
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1.25 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
585 |
m3/sec |
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Percent of
mean 7-day total: |
65.6 |
% |
(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: |
2511 |
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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2502 |
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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| 3346 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
512.4 |
635.9 |
845.9 |
772.8 |
578.9 |
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| 8529 |
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2003 |
558.6 |
630.8 |
841.7 |
650.0 |
579.7 |
734.1 |
792.3 |
691.1 |
763.2 |
783.0 |
705.5 |
798.8 |
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| 7935 |
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2004 |
700.0 |
522.6 |
607.9 |
600.4 |
720.8 |
821.1 |
681.2 |
520.4 |
662.2 |
792.8 |
672.1 |
633.6 |
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| 5428 |
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2005 |
514.0 |
475.4 |
541.6 |
388.2 |
468.1 |
849.0 |
556.2 |
231.0 |
302.1 |
403.3 |
349.5 |
349.7 |
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| 3887 |
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2006 |
264.8 |
319.4 |
562.7 |
388.6 |
382.8 |
736.6 |
169.6 |
335.8 |
295.0 |
431.5 |
0.0 |
0.0 |
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| 4491 |
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2007 |
318.6 |
399.8 |
495.5 |
324.7 |
338.1 |
749.9 |
337.6 |
365.6 |
286.5 |
221.5 |
407.8 |
245.6 |
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| 4279 |
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2008 |
252.1 |
263.3 |
366.5 |
284.8 |
417.6 |
556.7 |
284.9 |
388.5 |
435.9 |
331.7 |
428.4 |
268.4 |
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| 3151 |
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2009 |
239.5 |
182.5 |
399.8 |
305.3 |
316.0 |
594.1 |
202.9 |
184.7 |
216.5 |
367.0 |
142.8 |
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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