Site ID:

1247

Lat.

-20.6504

Botswana

Central

River:

Makgadikgadi Salt Lakes

Long.

26.1083

Site name:

Mosetse

Contributing area:

48000

km2

Ratio to Comparison Station:

2.07

Latest measurement:

15-Nov-09

Mean annual runoff:

1093

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

2146

Latest M/C ratio:

1.72

Seven day total:

Estimated current discharge:

2799

m3/sec

Percent of mean 7-day total:

123.2

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

Ice-cover determination:

5 yr recurrence flood:

14253

m3/sec

(from Log Pearson III analysis)

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

12289

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

2002

no data

0.4

1.4

1.0

11.9

2003

20.6

23.5

12.9

0.9

0.2

0.6

0.2

0.5

1.1

1.9

17.3

216

2004

56.8

38.3

40.8

16.8

11.1

1.0

0.7

2.4

1.6

11.4

9.6

25.9

1021

2005

25.6

9.9

59.8

250.1

119.6

7.4

0.0

54.1

64.6

69.9

208.7

151.5

2046

2006

324.6

336.6

348.5

366.7

243.7

130.6

72.7

59.7

67.5

95.7

0.0

2099

2007

279.0

251.5

200.2

211.8

81.0

87.8

61.1

67.1

82.8

198.1

286.1

292.1

2146

2008

371.9

418.1

359.2

189.1

120.3

68.2

53.8

62.2

84.4

60.0

152.4

206.7

2334

2009

292.4

262.3

233.6

129.4

128.7

206.8

322.6

233.6

182.9

220.8

120.4

0.0

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