Site ID: 2086 Lat. 35.5251 China Shanxi
River: Yellow (Huang He) Long. 110.5803
Site name: Hejin Contributing area: 650550 km2 Ratio to Comparison Station: 23.04
Latest measurement: 6-Sep-11 Mean annual runoff: 27 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 42.0 mm
Latest M/C ratio: 1.17 Seven day total: 0.6 mm
Estimated current discharge: 149 m3/sec Percent of mean 7-day total: 79.9 % (today's value compared to mean for same period, 2003-2009)
5 yr recurrence flood: 2402 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 2239 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
3 2002 no data no data no data no data no data no data no data 0.4 0.5 0.9 0.7 0.5
6 2003 0.2 0.2 0.4 0.8 0.3 0.5 0.6 0.5 0.5 1.0 0.3 0.2
5 2004 0.2 0.3 0.4 0.5 0.5 0.6 0.6 0.4 0.3 0.3 0.4 0.2
27 2005 0.2 0.2 1.1 5.2 2.3 3.0 1.9 1.9 3.2 3.5 3.4 0.8
38 2006 1.0 1.7 4.1 5.4 5.5 4.8 3.4 3.7 3.9 4.4 0.0 0.0
42 2007 0.6 3.6 4.2 3.5 3.7 4.4 2.5 4.3 4.9 3.7 5.2 2.0
36 2008 0.8 0.9 4.4 4.8 4.1 3.5 3.1 3.1 3.1 3.9 3.1 1.3
34 2009 1.3 3.2 4.7 4.8 2.4 4.1 2.9 1.9 3.0 4.0 1.7 0.6
42 2010 0.8 1.7 5.0 4.6 4.3 4.8 3.2 2.9 3.6 3.3 3.1 4.6
Mean Annual Runoff (mm): 27 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-02 250
23-Jul-02 250
24-Jul-02 217
25-Jul-02 440
26-Jul-02 541
27-Jul-02 366
28-Jul-02 210
29-Jul-02 232
30-Jul-02 108
31-Jul-02 49
1-Aug-02 49
2-Aug-02 49
3-Aug-02
4-Aug-02
5-Aug-02
6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02 504
10-Aug-02 504
11-Aug-02 49
12-Aug-02 49
13-Aug-02 49
14-Aug-02 49
15-Aug-02 49
16-Aug-02 49
17-Aug-02 142
18-Aug-02 142
19-Aug-02 416
20-Aug-02 49
21-Aug-02 49
22-Aug-02 49
23-Aug-02 49
24-Aug-02 49
25-Aug-02 49
26-Aug-02 49
27-Aug-02 197
28-Aug-02 133
29-Aug-02 49
30-Aug-02 76
31-Aug-02 49
1-Sep-02 49
2-Sep-02 76
3-Sep-02 49
4-Sep-02 49
5-Sep-02 49
6-Sep-02 49
7-Sep-02 49
8-Sep-02 49
9-Sep-02 49
10-Sep-02 49
11-Sep-02 89
12-Sep-02 49
13-Sep-02 49
14-Sep-02 49
15-Sep-02 49
16-Sep-02
17-Sep-02
18-Sep-02
19-Sep-02
20-Sep-02
21-Sep-02 49
22-Sep-02 218
23-Sep-02 66
24-Sep-02 98
25-Sep-02 231
26-Sep-02 274
27-Sep-02 550
28-Sep-02 737
29-Sep-02 686
30-Sep-02 420
1-Oct-02 375
2-Oct-02 243
3-Oct-02 347
4-Oct-02 431
5-Oct-02 222
6-Oct-02 312
7-Oct-02 49
8-Oct-02 49
9-Oct-02 49
10-Oct-02 49
11-Oct-02 49
12-Oct-02 49
13-Oct-02 49
14-Oct-02 128
15-Oct-02 223
16-Oct-02 275
17-Oct-02 297
18-Oct-02 56
19-Oct-02 49
20-Oct-02 49
21-Oct-02 49
22-Oct-02 179
23-Oct-02 314
24-Oct-02 299
25-Oct-02 237
26-Oct-02 455
27-Oct-02 618
28-Oct-02 551
29-Oct-02 565
30-Oct-02 49
31-Oct-02 161
1-Nov-02 86
2-Nov-02 262
3-Nov-02 174
4-Nov-02 94
5-Nov-02 166
6-Nov-02 49
7-Nov-02 159
8-Nov-02 210
9-Nov-02 259
10-Nov-02 353
11-Nov-02 415
12-Nov-02 500
13-Nov-02 483
14-Nov-02 453
15-Nov-02 275
16-Nov-02 254
17-Nov-02 101
18-Nov-02 49
19-Nov-02 49
20-Nov-02 49
21-Nov-02 49
22-Nov-02 49
23-Nov-02 49
24-Nov-02 49
25-Nov-02 66
26-Nov-02 49
27-Nov-02 49
28-Nov-02 49
29-Nov-02 49
30-Nov-02 49
1-Dec-02 260
2-Dec-02 375
3-Dec-02 564
4-Dec-02 628
5-Dec-02 295
6-Dec-02 117
7-Dec-02 60
8-Dec-02 49
9-Dec-02 49
10-Dec-02 49
11-Dec-02 49
12-Dec-02 49
13-Dec-02 49
14-Dec-02 49
15-Dec-02 49
16-Dec-02 49
17-Dec-02 49
18-Dec-02 49
19-Dec-02 49
20-Dec-02 49
21-Dec-02 49
22-Dec-02 49
23-Dec-02 49
24-Dec-02 49
25-Dec-02 49
26-Dec-02 49
27-Dec-02 49
28-Dec-02 49
29-Dec-02 49
30-Dec-02 49
31-Dec-02 49
1-Jan-03 49
2-Jan-03 49
3-Jan-03 49
4-Jan-03 49
5-Jan-03 49
6-Jan-03 49
7-Jan-03 49
8-Jan-03 49
9-Jan-03 49
10-Jan-03 49
11-Jan-03 49
12-Jan-03 49
13-Jan-03 49
14-Jan-03 49
15-Jan-03 49
16-Jan-03 49
17-Jan-03 49
18-Jan-03 49
19-Jan-03 49
20-Jan-03 49
21-Jan-03 49
22-Jan-03 49
23-Jan-03 49
24-Jan-03 49
25-Jan-03 49
26-Jan-03 49
27-Jan-03 49
28-Jan-03 49
29-Jan-03 49
30-Jan-03 49
31-Jan-03 49
1-Feb-03 49
2-Feb-03 49
3-Feb-03 49
4-Feb-03 49
5-Feb-03 49
6-Feb-03 49
7-Feb-03 49
8-Feb-03 49
9-Feb-03 49
10-Feb-03 49
11-Feb-03 49
12-Feb-03 49
13-Feb-03 49
14-Feb-03 49
15-Feb-03 49
16-Feb-03 49
17-Feb-03 49
18-Feb-03 49
19-Feb-03 49
20-Feb-03 49
21-Feb-03 49
22-Feb-03 49
23-Feb-03 49
24-Feb-03 49
25-Feb-03 49
26-Feb-03 49
27-Feb-03 49
28-Feb-03 49
1-Mar-03 49
2-Mar-03 49
3-Mar-03 49
4-Mar-03 49
5-Mar-03 49
6-Mar-03 49
7-Mar-03 49
8-Mar-03 49
9-Mar-03 49
10-Mar-03 65
11-Mar-03 49
12-Mar-03 49
13-Mar-03 49
14-Mar-03 49
15-Mar-03 49
16-Mar-03 49
17-Mar-03 49
18-Mar-03 49
19-Mar-03 49
20-Mar-03 49
21-Mar-03 49
22-Mar-03 49
23-Mar-03 49
24-Mar-03 49