Site ID:

2110

Lat.

23.1346

China

Guangdong

River:

Dong Delta

Long.

113.7652

Site name:

Shilong

Contributing area:

31275

km2

Ratio to Comparison Station:

1.35

Latest measurement:

21-Nov-09

Mean annual runoff:

560

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

584

Latest M/C ratio:

1.18

Seven day total:

Estimated current discharge:

302

m3/sec

Percent of mean 7-day total:

56.6

(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

1316

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

230

2002

no data

48.8

32.3

41.5

52.9

54.1

630

2003

51.5

43.6

52.5

81.5

55.9

40.9

53.5

63.5

37.4

53.6

41.1

54.7

629

2004

53.4

42.3

53.2

66.5

53.5

49.8

53.1

64.8

41.9

51.8

40.9

57.7

524

2005

44.3

31.2

48.4

57.8

42.5

27.0

43.9

53.7

34.5

47.6

40.0

53.2

456

2006

38.8

39.4

43.9

49.5

57.0

47.9

48.7

47.4

41.2

41.6

0.0

562

2007

50.7

46.4

42.3

49.9

48.6

34.4

50.9

49.0

39.3

52.1

49.0

49.2

584

2008

50.2

51.2

50.7

56.7

39.9

34.2

51.4

55.0

48.3

41.9

48.4

56.4

459

2009

42.6

50.6

44.7

47.8

53.3

35.6

38.9

35.6

31.3

51.1

27.1

0.0

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