| Site ID: |
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230 |
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Lat. |
12.1050 |
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Cambodia |
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Kampong
Chhnang |
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| River: |
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Tonle Sap |
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Long. |
104.7954 |
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| Site name: |
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Kampong Chnang |
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Contributing
area: |
83034 |
km2 |
Ratio to Comparison
Station: |
3.57 |
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| Latest measurement: |
10-Nov-09 |
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Mean annual
runoff: |
1190 |
mm |
(2003-2007) |
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| Hydrologic status: |
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3 |
Flood |
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Total runoff
this year: |
1311 |
mm |
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| Latest M/C ratio: |
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2.69 |
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Seven day
total: |
3 |
mm |
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| Estimated current discharge: |
9181 |
m3/sec |
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Percent of
mean 7-day total: |
102.5 |
% |
(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: |
10591 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
|
10585 |
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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| 1079 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
156.5 |
203.1 |
256.6 |
239.6 |
223.4 |
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| 1151 |
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2003 |
165.4 |
69.4 |
21.5 |
16.2 |
19.6 |
33.2 |
31.9 |
92.5 |
173.9 |
219.3 |
173.1 |
134.9 |
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| 1083 |
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2004 |
54.4 |
19.4 |
2.6 |
1.1 |
0.3 |
18.7 |
35.4 |
158.6 |
203.0 |
226.2 |
225.6 |
137.3 |
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| 1353 |
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2005 |
60.9 |
19.9 |
27.4 |
18.1 |
21.6 |
21.4 |
42.9 |
184.0 |
232.0 |
210.4 |
291.1 |
223.3 |
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| 998 |
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2006 |
129.6 |
50.9 |
39.7 |
22.1 |
15.5 |
13.3 |
54.2 |
183.1 |
251.6 |
238.0 |
0.0 |
0.0 |
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| 1367 |
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2007 |
132.9 |
59.1 |
31.6 |
19.2 |
35.2 |
22.2 |
45.3 |
131.0 |
192.4 |
223.5 |
256.0 |
218.8 |
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| 1311 |
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2008 |
130.5 |
57.3 |
33.3 |
18.7 |
30.9 |
32.4 |
73.0 |
163.0 |
190.5 |
209.8 |
164.2 |
206.9 |
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| 1097 |
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2009 |
151.0 |
54.6 |
35.2 |
21.4 |
18.5 |
35.1 |
65.5 |
204.0 |
182.5 |
217.4 |
112.0 |
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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