| Site ID: |
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1590 |
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Lat. |
-21.2329 |
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Madagascar |
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Fianarantsoa |
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| River: |
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Mananjary |
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Long. |
48.1796 |
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| Site name: |
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Mananjary |
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Contributing
area: |
6934 |
km2 |
Ratio to Comparison
Station: |
0.41 |
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| Latest measurement: |
15-Nov-09 |
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Mean annual
runoff: |
405 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
302 |
mm |
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| Latest M/C ratio: |
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0.98 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
60 |
m3/sec |
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Percent of
mean 7-day total: |
76.7 |
% |
(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: |
251 |
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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246 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
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| Comparison Station Information: |
Maroangaty
(1389600) |
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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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| 183 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
28.1 |
33.6 |
44.3 |
34.6 |
42.2 |
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| 497 |
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2003 |
41.0 |
45.1 |
49.0 |
39.9 |
44.0 |
38.2 |
40.5 |
42.3 |
40.6 |
44.5 |
37.5 |
34.5 |
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| 599 |
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2004 |
38.0 |
51.3 |
74.5 |
48.7 |
52.4 |
41.5 |
56.7 |
58.3 |
47.1 |
42.6 |
43.5 |
44.6 |
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| 386 |
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2005 |
51.2 |
49.3 |
35.5 |
22.1 |
25.2 |
36.9 |
40.9 |
24.1 |
25.5 |
28.0 |
21.3 |
26.4 |
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| 236 |
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2006 |
22.9 |
21.8 |
20.2 |
23.1 |
21.0 |
20.2 |
25.4 |
25.9 |
26.0 |
29.7 |
0.0 |
0.0 |
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| 306 |
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2007 |
28.7 |
22.9 |
26.6 |
26.0 |
22.7 |
24.8 |
26.8 |
27.6 |
28.2 |
24.2 |
24.9 |
22.7 |
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| 302 |
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2008 |
31.2 |
25.7 |
27.3 |
23.7 |
25.3 |
23.1 |
27.4 |
27.0 |
26.5 |
23.9 |
21.9 |
18.6 |
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| 269 |
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2009 |
28.2 |
24.6 |
25.5 |
22.6 |
25.0 |
23.4 |
27.0 |
26.7 |
27.4 |
25.3 |
13.1 |
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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