| Site ID: |
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1583 |
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Lat. |
-21.5893 |
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Madagascar |
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Toliara |
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| River: |
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Mangoky |
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Long. |
45.3938 |
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| Site name: |
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Bemavo |
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Contributing
area: |
36047 |
km2 |
Ratio to Comparison
Station: |
2.14 |
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| Latest measurement: |
15-Nov-09 |
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Mean annual
runoff: |
1407 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
1900 |
mm |
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| Latest M/C ratio: |
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1.10 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
1835 |
m3/sec |
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Percent of
mean 7-day total: |
121.6 |
% |
(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: |
4969 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
|
4878 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
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| Comparison Station Information: |
Bevoay
(1389090) |
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Contributing
Area: |
7280 |
sq mi |
16866 |
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: |
Rating equation is based
on monthly mean, maximum, and minimum M/C compared to gaging station
discharge values. |
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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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| 562 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
62.5 |
81.5 |
111.2 |
141.8 |
165.0 |
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| 1316 |
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2003 |
129.9 |
113.5 |
77.0 |
124.6 |
97.2 |
83.5 |
93.7 |
87.8 |
97.6 |
104.6 |
116.0 |
190.7 |
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| 1112 |
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2004 |
142.4 |
132.3 |
78.0 |
52.3 |
59.0 |
73.6 |
69.5 |
80.0 |
98.3 |
114.6 |
105.1 |
107.1 |
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| 1346 |
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2005 |
69.0 |
56.0 |
134.8 |
180.3 |
128.3 |
108.6 |
107.1 |
99.3 |
88.2 |
84.7 |
64.4 |
225.4 |
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| 1266 |
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2006 |
166.0 |
185.7 |
209.0 |
157.2 |
134.4 |
114.1 |
96.3 |
93.6 |
64.8 |
44.6 |
0.0 |
0.0 |
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| 1995 |
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2007 |
243.2 |
203.0 |
253.4 |
184.0 |
207.3 |
149.7 |
117.2 |
102.7 |
84.9 |
91.5 |
149.9 |
207.9 |
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| 1900 |
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2008 |
217.0 |
210.5 |
214.8 |
179.6 |
164.6 |
132.4 |
122.0 |
102.9 |
77.5 |
114.6 |
158.8 |
205.4 |
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| 1704 |
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2009 |
258.9 |
173.3 |
245.2 |
203.5 |
159.8 |
136.2 |
95.0 |
125.8 |
93.5 |
122.5 |
90.4 |
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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