Site ID:

1485

Lat.

8.6567

Sudan

River:

Bahr al Ghazi

Long.

29.2975

Site name:

Contributing area:

69437

km2

Ratio to Comparison Station:

2.99

Latest measurement:

15-Nov-09

Mean annual runoff:

362

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

776

Latest M/C ratio:

1.60

Seven day total:

Estimated current discharge:

2171

m3/sec

Percent of mean 7-day total:

110.1

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

Ice-cover determination:

5 yr recurrence flood:

3602

m3/sec

(from Log Pearson III analysis)

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

3463

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Tokwe Confluence D/s C/s (1495240)

Contributing Area:

7280

sq mi

23237

sq km

(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)

Notes:

Comparison station is placeholder, only; this site is not yet calibrated to actual discharge

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

246

2002

no data

30.8

24.6

69.1

74.9

46.5

429

2003

48.5

36.3

38.6

40.2

35.8

15.5

18.2

16.6

24.4

56.4

51.4

46.7

318

2004

42.1

45.5

29.7

36.6

21.9

1.0

10.4

12.4

22.6

39.8

35.1

21.3

287

2005

20.8

15.0

38.4

17.7

3.5

5.0

0.0

20.3

23.4

41.6

47.1

54.2

254

2006

33.6

22.9

28.4

28.9

1.5

8.9

21.3

10.8

37.8

60.3

0.0

523

2007

71.8

42.4

43.7

32.2

4.1

4.9

18.0

23.1

30.7

89.5

89.7

73.0

776

2008

88.1

58.9

59.3

30.1

22.2

30.1

26.6

41.1

72.4

108.6

120.5

117.6

530

2009

106.0

59.9

61.8

40.9

33.2

13.4

14.8

23.3

45.6

73.9

56.8

0.0

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