Site ID:

1575

Lat.

-16.3049

Madagascar

Mahajanga

River:

Mahajamba

Long.

47.3366

Site name:

Morafeno

Contributing area:

1595

km2

Ratio to Comparison Station:

0.09

Latest measurement:

15-Nov-09

Mean annual runoff:

835

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

811

Latest M/C ratio:

1.00

Seven day total:

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

78.4

(today's value compared to mean for same period, 2003-2007)

Ice-cover determination:

5 yr recurrence flood:

141

m3/sec

(from Log Pearson III analysis)

Status Codes: 1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood

138

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Antsatrana (1389500)

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 compared to gaging station discharge values. Watershed should be redrawn.

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

196

2002

no data

44.9

32.3

29.9

37.6

51.6

774

2003

120.4

86.2

94.0

74.7

64.7

61.9

63.9

43.3

39.4

30.0

32.4

63.5

968

2004

75.4

89.6

150.3

123.8

86.4

76.6

71.6

55.0

41.5

44.0

46.9

106.6

947

2005

140.1

86.7

136.2

118.8

89.4

92.7

62.0

54.0

29.5

29.0

38.5

70.1

561

2006

82.5

94.1

78.4

72.0

59.3

51.7

35.4

32.0

28.0

27.9

0.0

923

2007

90.6

139.0

148.0

114.4

77.2

72.1

69.1

50.8

39.2

31.0

41.0

50.5

811

2008

86.5

116.3

114.2

81.1

71.4

60.7

59.9

42.6

29.8

35.4

34.9

78.1

726

2009

111.5

86.7

87.8

91.6

87.0

76.4

61.5

42.9

32.6

29.1

18.8

0.0

Discharge is estimated directly via a rating equation from the remote sensing data (M/C ratio) shown below.