| Site ID: |
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2181 |
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Lat. |
12.5268 |
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Vietnam |
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Dac Lac |
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| River: |
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Ea Krong |
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Long. |
108.2873 |
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| Site name: |
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Giang Son |
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Contributing
area: |
2722 |
km2 |
Ratio to Comparison
Station: |
0.12 |
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| Latest measurement: |
6-Nov-09 |
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Mean annual
runoff: |
1522 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
2693 |
mm |
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| Latest M/C ratio: |
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1.26 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
601 |
m3/sec |
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Percent of
mean 7-day total: |
152.8 |
% |
(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: |
1746 |
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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1630 |
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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| 677 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
62.1 |
101.7 |
48.8 |
290.3 |
174.0 |
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| 1260 |
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2003 |
13.3 |
3.0 |
3.3 |
3.2 |
116.8 |
310.5 |
52.0 |
52.2 |
36.3 |
86.8 |
394.9 |
187.5 |
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| 551 |
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2004 |
28.5 |
3.1 |
3.3 |
3.2 |
73.9 |
168.0 |
184.4 |
46.9 |
12.9 |
16.9 |
7.0 |
3.3 |
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| 1160 |
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2005 |
3.3 |
3.0 |
3.3 |
7.7 |
217.0 |
209.2 |
82.4 |
131.3 |
152.1 |
210.1 |
47.6 |
92.9 |
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| 1591 |
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2006 |
519.0 |
65.6 |
14.0 |
3.2 |
240.3 |
170.5 |
142.4 |
121.1 |
147.1 |
168.3 |
0.0 |
0.0 |
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| 3049 |
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2007 |
100.2 |
12.7 |
3.3 |
3.2 |
137.8 |
351.4 |
171.9 |
411.8 |
329.5 |
291.9 |
750.3 |
484.9 |
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| 2693 |
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2008 |
180.3 |
3.1 |
3.3 |
6.2 |
523.0 |
390.2 |
24.3 |
35.8 |
134.8 |
306.3 |
454.8 |
630.7 |
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| 2064 |
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2009 |
347.9 |
30.5 |
3.3 |
25.6 |
311.3 |
427.6 |
113.6 |
81.6 |
161.7 |
420.0 |
141.1 |
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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