| Site ID: |
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1577 |
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Lat. |
-15.4389 |
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Madagascar |
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Mahajanga |
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| River: |
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Sofia |
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Long. |
47.7773 |
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| Site name: |
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Port-Berge |
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Contributing
area: |
10843 |
km2 |
Ratio to Comparison
Station: |
0.64 |
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| Latest measurement: |
15-Nov-09 |
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Mean annual
runoff: |
944 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
1382 |
mm |
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| Latest M/C ratio: |
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1.12 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
308 |
m3/sec |
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Percent of
mean 7-day total: |
135.7 |
% |
(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: |
1115 |
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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1136 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
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| Comparison Station Information: |
Antsatrana
(1389500) |
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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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| 212 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
44.3 |
44.6 |
48.3 |
42.3 |
32.5 |
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| 832 |
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2003 |
85.2 |
106.9 |
104.4 |
94.0 |
81.8 |
67.3 |
64.2 |
57.5 |
50.6 |
49.5 |
39.3 |
31.5 |
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| 765 |
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2004 |
47.8 |
88.2 |
106.6 |
72.5 |
75.1 |
62.0 |
63.7 |
55.4 |
55.2 |
56.1 |
40.5 |
42.0 |
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| 882 |
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2005 |
58.1 |
62.2 |
87.1 |
130.0 |
107.0 |
74.7 |
56.8 |
72.9 |
64.8 |
67.2 |
45.1 |
55.6 |
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| 882 |
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2006 |
71.2 |
106.4 |
139.6 |
111.1 |
95.8 |
80.3 |
83.8 |
68.5 |
70.5 |
55.0 |
0.0 |
0.0 |
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| 1360 |
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2007 |
114.3 |
152.8 |
216.2 |
186.0 |
132.4 |
113.0 |
98.7 |
91.1 |
74.1 |
69.2 |
55.3 |
56.9 |
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| 1382 |
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2008 |
113.1 |
177.7 |
180.6 |
153.9 |
137.3 |
102.0 |
107.7 |
89.9 |
82.0 |
75.9 |
70.5 |
91.7 |
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| 1214 |
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2009 |
142.5 |
121.3 |
143.2 |
166.2 |
138.6 |
121.5 |
101.3 |
87.2 |
78.3 |
75.9 |
37.9 |
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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