Site ID:

1278

Lat.

-11.7271

Angola

Moxico

River:

Luena

Long.

20.8396

Site name:

Maquina

Contributing area:

4558

km2

Ratio to Comparison Station:

0.20

Latest measurement:

17-Nov-09

Mean annual runoff:

931

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

1218

Latest M/C ratio:

1.10

Seven day total:

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

249.5

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

Ice-cover determination:

5 yr recurrence flood:

1360

m3/sec

(from Log Pearson III analysis)

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

1310

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

1.5

1.7

10.6

3.9

11.1

1135

2003

254.7

264.0

82.1

440.8

22.7

1.9

2.0

2.8

54.3

2.0

4.8

3.3

992

2004

37.4

317.3

200.0

373.2

34.7

1.8

2.0

1.9

2.2

9.1

10.7

843

2005

177.1

139.3

127.1

99.0

19.9

2.6

0.2

74.3

108.0

40.2

11.3

43.7

870

2006

90.5

104.1

124.4

314.6

44.0

34.1

58.3

14.8

73.3

12.5

0.0

814

2007

114.6

92.5

93.0

151.9

29.7

16.9

29.5

32.1

53.6

33.7

36.0

130.9

1218

2008

324.2

113.7

222.0

95.8

42.5

32.1

59.8

42.3

64.7

34.1

54.7

132.6

1151

2009

170.9

184.6

310.6

162.0

32.5

33.8

37.7

58.2

63.3

31.9

65.9

0.0

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