| Site ID: |
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45 |
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Lat. |
29.3326 |
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China |
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Jiangxi |
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| River: |
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Poyang |
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Long. |
116.0829 |
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| Site name: |
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Nankang |
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Contributing
area: |
158961 |
km2 |
Ratio to Comparison
Station: |
6.84 |
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| Latest measurement: |
21-Nov-09 |
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Mean annual
runoff: |
733 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
894 |
mm |
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| Latest M/C ratio: |
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1.63 |
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Seven day
total: |
2 |
mm |
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| Estimated current discharge: |
2308 |
m3/sec |
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Percent of
mean 7-day total: |
51.6 |
% |
(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: |
9912 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
|
9641 |
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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| 280 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
54.9 |
64.6 |
62.1 |
53.7 |
45.1 |
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| 654 |
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2003 |
45.5 |
48.4 |
49.2 |
57.3 |
61.6 |
53.3 |
79.0 |
73.6 |
70.2 |
56.0 |
29.3 |
30.3 |
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| 501 |
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2004 |
27.3 |
26.4 |
31.2 |
40.6 |
60.5 |
50.6 |
65.8 |
49.5 |
39.4 |
48.2 |
34.9 |
26.1 |
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| 840 |
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2005 |
21.4 |
35.6 |
68.0 |
78.1 |
77.2 |
76.7 |
79.2 |
102.4 |
108.0 |
95.6 |
44.8 |
52.6 |
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| 781 |
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2006 |
47.4 |
54.9 |
88.5 |
91.6 |
91.1 |
95.7 |
111.0 |
98.6 |
57.7 |
44.2 |
0.0 |
0.0 |
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| 889 |
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2007 |
42.8 |
43.0 |
55.2 |
67.4 |
80.2 |
78.6 |
113.5 |
112.5 |
104.7 |
102.3 |
50.6 |
37.7 |
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| 894 |
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2008 |
27.3 |
28.0 |
45.0 |
70.7 |
87.5 |
76.1 |
94.7 |
111.1 |
118.2 |
84.0 |
82.6 |
68.4 |
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| 815 |
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2009 |
36.6 |
33.0 |
76.2 |
71.4 |
92.8 |
86.4 |
107.4 |
115.3 |
103.0 |
62.8 |
30.4 |
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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