| Site ID: |
|
|
1586 |
|
|
|
|
Lat. |
-23.0607 |
|
Madagascar |
|
Fianarantsoa |
|
|
|
| River: |
|
|
Mananara |
|
|
|
|
Long. |
46.8921 |
|
|
|
|
|
|
|
|
|
| Site name: |
|
Midongy du Sud |
|
|
Contributing
area: |
2847 |
km2 |
Ratio to Comparison
Station: |
0.17 |
|
|
|
|
| Latest measurement: |
15-Nov-09 |
|
|
|
Mean annual
runoff: |
179 |
mm |
(2003-2007) |
|
|
|
|
|
|
| Hydrologic status: |
|
2 |
Normal flow |
Total runoff
this year: |
198 |
mm |
|
|
|
|
|
|
|
|
| Latest M/C ratio: |
|
1.01 |
|
|
|
Seven day
total: |
1 |
mm |
|
|
|
|
|
|
|
|
| Estimated current discharge: |
13 |
m3/sec |
|
Percent of
mean 7-day total: |
107.1 |
% |
(today's value compared to
mean for same period, 2003-2007) |
|
|
| Ice-cover determination: |
|
|
5 yr
recurrence flood: |
71 |
m3/sec |
(from Log Pearson III
analysis) |
|
|
|
|
|
| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
|
69 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
|
|
|
|
| Comparison Station Information: |
Amboasary
(1389470) |
|
|
|
|
Contributing
Area: |
7280 |
sq mi |
16866 |
sq km |
|
|
| (Data from this gaging station are used for the calibration to
discharge, with an adjustment for different contributing areas) |
|
|
|
|
|
|
|
|
| Notes: |
Rating equation is based
on monthly mean, maximum, and minimum M/C and comparison station discharge
values. |
|
|
|
|
|
|
|
| Discharge and runoff, based on satellite remote sensing (NASA
AMSR-E data) |
|
|
|
|
|
|
|
|
|
|
|
| (For U.S, sites, nearby ground station discharge may also be
shown) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2008-Present |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2002-Present |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Annual |
|
|
|
Monthly Total Runoff (mm),
computed from above satellite-based discharge data |
|
|
|
|
|
|
| Runoff |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| (mm) |
|
|
|
Jan |
Feb |
Mar |
April |
May |
June |
July |
Aug |
Sept |
Oct |
Nov |
Dec |
|
|
|
| 54 |
|
|
2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
9.2 |
8.5 |
9.9 |
11.1 |
15.2 |
|
|
|
| 183 |
|
|
2003 |
25.2 |
21.5 |
33.8 |
13.8 |
10.4 |
10.3 |
11.3 |
10.3 |
10.3 |
10.8 |
9.1 |
16.4 |
|
|
|
| 145 |
|
|
2004 |
13.5 |
19.5 |
20.4 |
11.4 |
10.4 |
9.3 |
9.8 |
9.8 |
9.5 |
10.5 |
10.6 |
10.5 |
|
|
|
| 199 |
|
|
2005 |
17.2 |
9.9 |
25.7 |
28.3 |
18.5 |
12.1 |
12.7 |
14.7 |
13.5 |
11.8 |
15.3 |
19.5 |
|
|
|
| 134 |
|
|
2006 |
17.9 |
16.5 |
14.1 |
11.0 |
10.7 |
12.7 |
15.4 |
13.4 |
11.1 |
10.9 |
0.0 |
0.0 |
|
|
|
| 233 |
|
|
2007 |
27.1 |
35.2 |
41.4 |
22.4 |
17.3 |
14.3 |
13.7 |
11.2 |
9.9 |
12.7 |
14.7 |
13.1 |
|
|
|
| 198 |
|
|
2008 |
24.7 |
23.2 |
26.1 |
17.4 |
15.7 |
13.7 |
13.4 |
14.3 |
11.3 |
10.3 |
13.0 |
14.8 |
|
|
|
| 209 |
|
|
2009 |
31.3 |
27.0 |
24.3 |
34.0 |
14.9 |
14.3 |
16.6 |
15.8 |
11.6 |
11.4 |
8.0 |
0.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Discharge is estimated directly via a rating equation from
the remote sensing data (M/C ratio) shown below. |
|
|
|
|
|
|
|
|
|