| Site ID: |
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2111 |
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Lat. |
22.8576 |
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China |
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Guangdong |
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| River: |
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Xi Delta |
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Long. |
113.1070 |
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| Site name: |
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Guizhou |
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Contributing
area: |
398036 |
km2 |
Ratio to Comparison
Station: |
17.13 |
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| Latest measurement: |
21-Nov-09 |
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Mean annual
runoff: |
234 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
229 |
mm |
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| Latest M/C ratio: |
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1.71 |
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Seven day
total: |
2 |
mm |
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| Estimated current discharge: |
2709 |
m3/sec |
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Percent of
mean 7-day total: |
72.7 |
% |
(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: |
4392 |
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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4457 |
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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| 103 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
18.0 |
18.0 |
22.5 |
22.0 |
22.3 |
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| 250 |
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2003 |
23.6 |
20.9 |
20.1 |
19.0 |
24.5 |
19.4 |
25.4 |
19.0 |
18.7 |
23.6 |
14.7 |
21.5 |
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| 229 |
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2004 |
20.4 |
17.8 |
20.4 |
16.2 |
19.7 |
20.3 |
18.9 |
14.4 |
19.1 |
20.7 |
20.6 |
20.7 |
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| 243 |
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2005 |
19.6 |
15.5 |
19.7 |
16.5 |
22.2 |
21.6 |
21.8 |
15.8 |
22.1 |
24.8 |
22.1 |
21.5 |
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| 199 |
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2006 |
21.9 |
19.9 |
17.8 |
14.9 |
21.5 |
21.7 |
18.9 |
16.9 |
20.7 |
24.5 |
0.0 |
0.0 |
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| 246 |
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2007 |
21.0 |
21.4 |
20.0 |
15.3 |
20.9 |
22.6 |
23.2 |
17.2 |
20.8 |
23.1 |
21.7 |
19.3 |
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| 229 |
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2008 |
20.5 |
18.5 |
21.4 |
15.1 |
18.0 |
17.0 |
19.4 |
17.5 |
21.8 |
20.5 |
18.8 |
20.6 |
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| 197 |
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2009 |
17.9 |
18.9 |
16.5 |
15.1 |
17.0 |
20.3 |
18.7 |
18.0 |
18.7 |
20.8 |
15.5 |
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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