Site ID: 2081 Lat. 40.6074 China Nei Mongol
River: Yellow (Huang He) Long. 108.6925
Site name: Shih-la-chao Contributing area: 429455 km2 Ratio to Comparison Station: 15.21
Latest measurement: 6-Sep-11 Mean annual runoff: 5 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 7.5 mm
Latest M/C ratio: 1.12 Seven day total: 0.1 mm
Estimated current discharge: 78 m3/sec Percent of mean 7-day total: 64.1 % (today's value compared to mean for same period, 2003-2009)
5 yr recurrence flood: 890 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 868 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Boluo (2186950)           Contributing Area:   sq mi 28239 sq km
(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)
Notes: Final calibration to discharge has not yet been accomplished.
Discharge and runoff, based on satellite remote sensing (NASA AMSR-E data)
(For U.S, sites, nearby ground station discharge may also be shown)
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
0 2002 no data no data no data no data no data no data no data 0.1 0.0 0.0 0.0 0.0
2 2003 0.0 0.0 0.0 0.5 0.3 0.0 0.3 0.4 0.5 0.1 0.0 0.0
1 2004 0.0 0.0 0.2 0.2 0.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0
3 2005 0.0 0.0 0.4 1.4 0.1 0.0 0.0 0.5 0.2 0.1 0.0 0.0
6 2006 0.0 0.0 0.1 2.9 2.4 0.0 0.3 0.7 0.1 0.0 0.0 0.0
5 2007 0.0 0.0 0.5 1.0 0.3 0.4 0.8 1.1 0.4 0.0 0.0 0.0
10 2008 0.0 0.0 1.1 4.5 1.2 0.1 0.3 1.4 0.7 0.2 0.0 0.0
6 2009 0.0 0.0 0.3 2.9 1.4 0.1 0.3 0.5 0.1 0.0 0.0 0.0
8 2010 0.0 0.0 0.0 1.7 2.5 0.7 0.3 1.2 0.8 0.0 0.0 0.0
Mean Annual Runoff (mm): 5 Standard Deviation: 6.4
Trend in Annual Runoff (slope):  -73
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.
Green line records upwelling microwave emission from within 5 km radius of a calbration land target. 
Explanation:   Blue line is emission from within 5 km radius of the measurement target centered over the river.
Brown line is their ratio (M/C; "HR" in Brakenridge et al 2007; scale on right) and is used to estimate river discharge via a rating equation.
Rating equations are being developed and applied on an individual basis using available ground-based discharge information.
GoogleEarth View of Measurement Site
Return
Estimated
Disharge
Data
Date m3/sec
22-Jul-02 159
23-Jul-02 159
24-Jul-02 267
25-Jul-02 443
26-Jul-02 144
27-Jul-02 67
28-Jul-02 3
29-Jul-02 3
30-Jul-02 46
31-Jul-02 156
1-Aug-02 457
2-Aug-02
3-Aug-02
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6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02 3
10-Aug-02 3
11-Aug-02 3
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30-Aug-02 3
31-Aug-02 3
1-Sep-02 3
2-Sep-02 28
3-Sep-02 3
4-Sep-02 3
5-Sep-02 3
6-Sep-02 3
7-Sep-02 3
8-Sep-02 3
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