| Site ID: |
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2101 |
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Lat. |
29.8850 |
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China |
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Zhejiang |
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| River: |
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Puyang |
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Long. |
120.2854 |
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| Site name: |
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Diankou |
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Contributing
area: |
3113 |
km2 |
Ratio to Comparison
Station: |
0.13 |
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| Latest measurement: |
21-Nov-09 |
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Mean annual
runoff: |
8862 |
mm |
(2003-2007) |
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| Hydrologic status: |
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1 |
Low flow |
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Total runoff
this year: |
8586 |
mm |
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| Latest M/C ratio: |
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1.18 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
299 |
m3/sec |
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Percent of
mean 7-day total: |
60.8 |
% |
(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: |
2221 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
|
2218 |
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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| 2507 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
320.8 |
375.0 |
615.2 |
532.8 |
662.9 |
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| 9142 |
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2003 |
871.4 |
818.7 |
964.6 |
980.1 |
1154.7 |
1028.3 |
964.8 |
523.5 |
474.8 |
416.2 |
346.0 |
598.3 |
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| 8636 |
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2004 |
627.0 |
912.6 |
924.1 |
1043.5 |
1074.7 |
1196.4 |
829.3 |
312.3 |
270.9 |
467.3 |
405.8 |
572.4 |
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| 9270 |
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2005 |
664.1 |
594.5 |
1095.1 |
905.0 |
1139.1 |
1219.2 |
837.0 |
483.2 |
506.5 |
569.1 |
592.8 |
664.7 |
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| 8040 |
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2006 |
735.4 |
728.3 |
1032.7 |
998.3 |
1074.8 |
1006.5 |
924.8 |
574.8 |
450.4 |
514.5 |
0.0 |
0.0 |
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| 9222 |
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2007 |
713.2 |
774.4 |
812.5 |
826.4 |
1108.3 |
1168.4 |
1011.3 |
591.2 |
449.7 |
561.6 |
616.5 |
588.4 |
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| 8586 |
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2008 |
539.1 |
470.4 |
707.9 |
762.3 |
968.4 |
988.6 |
970.2 |
639.3 |
635.3 |
598.0 |
622.5 |
684.0 |
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| 8042 |
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2009 |
644.8 |
565.2 |
839.1 |
1016.1 |
988.7 |
1044.5 |
847.4 |
635.7 |
438.1 |
597.2 |
424.8 |
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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