Site ID:

1107

Lat.

-1.3992

Brazil

River:

Mapuera

Long.

-56.5781

Site name:

Contributing area:

85690

km2

Ratio to Comparison Station:

3.69

Latest measurement:

15-Nov-09

Mean annual runoff:

580

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

487

Latest M/C ratio:

1.47

Seven day total:

Estimated current discharge:

1551

m3/sec

Percent of mean 7-day total:

104.3

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

Ice-cover determination:

5 yr recurrence flood:

3444

m3/sec

(from Log Pearson III analysis)

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

3378

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

325

2002

no data

68.1

65.4

80.0

56.2

55.1

752

2003

64.8

35.3

43.7

49.7

62.7

64.4

82.1

89.9

64.1

85.2

53.0

56.8

728

2004

56.6

38.2

38.3

54.0

57.9

82.7

82.5

90.2

9.8

73.8

80.3

64.0

513

2005

9.4

39.4

35.6

28.3

42.5

66.1

72.2

55.0

46.9

38.4

37.1

42.1

414

2006

35.5

23.4

30.0

41.3

36.3

43.7

55.5

53.7

49.4

45.1

0.0

492

2007

35.4

40.1

32.1

27.4

40.9

45.9

54.8

54.1

41.7

45.3

39.8

34.9

487

2008

31.9

23.5

38.7

35.0

40.6

39.6

51.7

57.3

46.4

43.7

43.6

34.7

453

2009

30.0

31.0

39.1

38.1

29.7

33.6

52.4

57.2

62.0

54.0

25.9

0.0

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