Site ID:

2544

Lat.

26.1239

India

Assam

River:

Brahmaputra Trib

Long.

89.8160

Site name:

Gauripur

Contributing area:

10670

km2

Ratio to Comparison Station:

0.03

Latest measurement:

11-Oct-09

Mean annual runoff:

483

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

1390

Latest M/C ratio:

1.33

Seven day total:

Estimated current discharge:

499

m3/sec

Percent of mean 7-day total:

101.5

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

Ice-cover determination:

5 yr recurrence flood:

1324

m3/sec

(from Log Pearson III analysis)

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

1227

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Pandu (2851300)

Contributing Area:

sq mi

405697

sq km

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

Notes:

Rating equation is based on comparison of montly means from a trunk stream station in the region

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

0.0

2003

0.0

2004

0.0

730

2005

0.0

1.2

73.4

74.3

9.9

0.0

174.0

133.0

99.8

79.6

85.0

363

2006

49.4

0.0

103.6

115.7

93.8

0.0

1322

2007

86.1

93.7

101.1

60.8

77.5

95.2

121.0

218.0

205.6

109.8

85.5

67.9

1390

2008

96.4

157.6

115.0

74.7

85.0

114.1

138.8

158.8

159.3

107.8

93.8

89.0

1067

2009

93.2

135.4

97.0

68.8

74.1

127.0

123.6

171.8

134.0

41.7

0.0

Mean Annual Runoff:

634

Standard Deviation:

622

Trend in Annual Runoff (slope)

293.98

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