Site ID:

557

Lat.

37.1355

Spain

River:

Las Marismas

Long.

-6.1252

Site name:

Contributing area:

51860

km2

Ratio to Comparison Station:

2.23

Latest measurement:

11-Nov-09

Mean annual runoff:

755

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

579

Latest M/C ratio:

1.86

Seven day total:

Estimated current discharge:

3555

m3/sec

Percent of mean 7-day total:

168.4

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

Ice-cover determination:

5 yr recurrence flood:

8506

m3/sec

(from Log Pearson III analysis)

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

8106

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

224

2002

no data

0.2

0.5

19.9

89.2

114.2

796

2003

117.7

79.2

62.3

24.4

91.9

213.2

7.3

1.6

4.2

9.1

60.0

125.1

679

2004

106.9

72.2

50.1

10.6

30.8

234.2

12.1

1.7

3.4

10.9

66.0

80.4

941

2005

55.8

17.9

37.0

4.0

281.6

111.9

0.1

0.2

3.5

99.8

145.4

184.1

636

2006

135.5

118.4

86.3

24.8

28.2

197.6

22.4

0.2

22.1

0.0

722

2007

137.1

137.3

46.7

0.7

24.9

147.3

21.3

0.4

12.5

84.5

108.6

579

2008

103.5

80.3

38.8

5.1

11.3

134.3

34.7

0.7

0.2

21.0

65.7

83.6

814

2009

95.3

77.7

47.9

3.3

242.8

202.0

10.5

0.2

0.7

54.8

78.5

0.0

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