| Site ID: |
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233 |
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Lat. |
13.0890 |
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Cambodia |
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Siemreab-Otdar
Meanchey |
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| River: |
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Chikreng |
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Long. |
104.3116 |
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| Site name: |
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Phumi Spean Tnot |
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Contributing
area: |
1887 |
km2 |
Ratio to Comparison
Station: |
0.16 |
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| Latest measurement: |
10-Nov-09 |
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Mean annual
runoff: |
15829 |
mm |
(2003-2008) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
14834 |
mm |
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| Latest M/C ratio: |
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1.61 |
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Seven day
total: |
682 |
mm |
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| Estimated current discharge: |
2211 |
m3/sec |
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Percent of
mean 7-day total: |
141.2 |
% |
(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: |
5627 |
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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5465 |
m3/sec |
(from Gumbel Extreme Value analysis) |
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| Comparison Station Information: |
Ban Chot
(2969082) |
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Contributing
Area: |
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sq mi |
11886 |
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: |
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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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| (mm) |
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Jan |
Feb |
Mar |
April |
May |
June |
July |
Aug |
Sept |
Oct |
Nov |
Dec |
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| 7791 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
1168.8 |
2416.7 |
3237.9 |
853.9 |
114.1 |
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| 5559 |
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2003 |
6.2 |
4.3 |
4.7 |
26.1 |
38.2 |
43.5 |
680.4 |
880.1 |
2093.0 |
1728.7 |
48.8 |
4.7 |
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| 8678 |
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2004 |
4.7 |
4.4 |
253.8 |
10.6 |
210.1 |
2120.4 |
935.9 |
2535.8 |
1682.3 |
894.0 |
19.9 |
5.6 |
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| 17190 |
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2005 |
4.7 |
5.4 |
5.2 |
77.8 |
685.9 |
972.1 |
1713.1 |
1367.1 |
4113.1 |
5565.7 |
2232.3 |
447.3 |
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| 16609 |
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2006 |
13.3 |
14.5 |
9.3 |
87.5 |
5.8 |
321.9 |
3382.3 |
3781.9 |
4828.4 |
4164.2 |
0.0 |
0.0 |
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| 14682 |
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2007 |
159.6 |
4.5 |
155.9 |
493.6 |
1398.3 |
464.0 |
3140.9 |
1245.2 |
2317.1 |
2987.6 |
1826.7 |
488.2 |
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| 14834 |
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2008 |
205.5 |
6.8 |
4.7 |
40.5 |
1216.2 |
394.8 |
270.0 |
1523.7 |
3935.4 |
3960.0 |
2175.7 |
1101.0 |
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| 15083 |
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2009 |
218.2 |
35.8 |
9.9 |
4.6 |
376.1 |
653.1 |
2216.9 |
1863.3 |
3618.1 |
4689.4 |
1397.3 |
0.0 |
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| 0 |
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2010 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
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Mean Annual Runoff (mm): |
15829 |
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Standard Deviation: |
4374 |
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Trend in Annual Runoff
(slope): |
5012.4 |
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| Discharge is estimated via a rating equation directly from
the remote sensing data (M/C ratio) shown below. |
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