Site ID: 2083 Lat. 38.9281 China Ningxia
River: Yellow (Huang He) Long. 106.7778
Site name: Yinchuan Contributing area: 317366 km2 Ratio to Comparison Station: 11.24
Latest measurement: 6-Sep-11 Mean annual runoff: 15 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 26.1 mm
Latest M/C ratio: 1.10 Seven day total: 0.4 mm
Estimated current discharge: 3 m3/sec Percent of mean 7-day total: 80.3 % (today's value compared to mean for same period, 2003-2009)
5 yr recurrence flood: 1045 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 1013 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
14 2002 no data no data no data no data no data no data no data 4.9 3.1 2.9 1.9 1.0
26 2003 0.6 0.6 1.1 0.8 2.5 2.9 4.4 4.1 3.3 2.7 1.9 0.9
12 2004 0.4 0.1 0.0 0.1 0.6 0.9 1.9 2.9 2.3 1.1 1.2 0.2
4 2005 0.1 0.3 0.1 0.1 0.7 0.7 0.6 0.5 0.2 0.0 0.7 0.0
5 2006 0.0 0.0 0.0 0.0 0.0 0.0 2.3 2.4 0.1 0.2 0.0 0.0
17 2007 0.0 0.0 0.0 0.0 0.8 3.8 4.4 3.8 2.3 0.8 1.2 0.0
22 2008 0.0 0.0 1.0 1.6 2.5 5.1 2.7 3.7 3.1 0.7 1.5 0.0
17 2009 0.0 0.0 0.0 0.0 3.6 4.7 2.8 3.3 1.9 0.5 0.6 0.0
26 2010 0.0 0.2 0.1 0.0 4.1 8.5 4.7 3.4 2.2 0.7 1.0 1.1
Mean Annual Runoff (mm): 15 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-02 403
23-Jul-02 403
24-Jul-02 485
25-Jul-02 565
26-Jul-02 690
27-Jul-02 719
28-Jul-02 747
29-Jul-02 793
30-Jul-02 766
31-Jul-02 743
1-Aug-02 919
2-Aug-02
3-Aug-02
4-Aug-02
5-Aug-02
6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02 953
10-Aug-02 751
11-Aug-02 846
12-Aug-02 813
13-Aug-02 678
14-Aug-02 653
15-Aug-02 532
16-Aug-02 487
17-Aug-02 584
18-Aug-02 704
19-Aug-02 699
20-Aug-02 764
21-Aug-02 751
22-Aug-02 737
23-Aug-02 839
24-Aug-02 896
25-Aug-02 749
26-Aug-02 759
27-Aug-02 649
28-Aug-02 702
29-Aug-02 738
30-Aug-02 821
31-Aug-02 895
1-Sep-02 882
2-Sep-02 516
3-Sep-02 450
4-Sep-02 483
5-Sep-02 349
6-Sep-02 592
7-Sep-02 511
8-Sep-02 549
9-Sep-02 671
10-Sep-02 380
11-Sep-02 290
12-Sep-02 192
13-Sep-02 192
14-Sep-02 249
15-Sep-02 364
16-Sep-02
17-Sep-02
18-Sep-02
19-Sep-02
20-Sep-02
21-Sep-02 219
22-Sep-02 340
23-Sep-02 340
24-Sep-02 380
25-Sep-02 464
26-Sep-02 646
27-Sep-02 609
28-Sep-02 611
29-Sep-02 546
30-Sep-02 404
1-Oct-02 347
2-Oct-02 307
3-Oct-02 309
4-Oct-02 321
5-Oct-02 326
6-Oct-02 281
7-Oct-02 240
8-Oct-02 250
9-Oct-02 228
10-Oct-02 360
11-Oct-02 446
12-Oct-02 546
13-Oct-02 484
14-Oct-02 395
15-Oct-02 387
16-Oct-02 427
17-Oct-02 449
18-Oct-02 481
19-Oct-02 502
20-Oct-02 360
21-Oct-02 254
22-Oct-02 209
23-Oct-02 216
24-Oct-02 251
25-Oct-02 257
26-Oct-02 330
27-Oct-02 345
28-Oct-02 284
29-Oct-02 298
30-Oct-02 372
31-Oct-02 337
1-Nov-02 302
2-Nov-02 278
3-Nov-02 202
4-Nov-02 202
5-Nov-02 256
6-Nov-02 246
7-Nov-02 225
8-Nov-02 219
9-Nov-02 256
10-Nov-02 272
11-Nov-02 316
12-Nov-02 372
13-Nov-02 292
14-Nov-02 244
15-Nov-02 238
16-Nov-02 242
17-Nov-02 201
18-Nov-02 192
19-Nov-02 174
20-Nov-02 131
21-Nov-02 181
22-Nov-02 245
23-Nov-02 256
24-Nov-02 305
25-Nov-02 267
26-Nov-02 242
27-Nov-02 201
28-Nov-02 133
29-Nov-02 213
30-Nov-02 127
1-Dec-02 133
2-Dec-02 79
3-Dec-02 98
4-Dec-02 140
5-Dec-02 125
6-Dec-02 289
7-Dec-02 238
8-Dec-02 291
9-Dec-02 195
10-Dec-02 130
11-Dec-02 94
12-Dec-02 35
13-Dec-02 145
14-Dec-02 156
15-Dec-02 194
16-Dec-02 155
17-Dec-02 147
18-Dec-02 185
19-Dec-02 229
20-Dec-02 273
21-Dec-02 279
22-Dec-02 164
23-Dec-02 3
24-Dec-02 3
25-Dec-02 3
26-Dec-02 3
27-Dec-02 3
28-Dec-02 3
29-Dec-02 3
30-Dec-02 3
31-Dec-02 3
1-Jan-03 3
2-Jan-03 3
3-Jan-03 3
4-Jan-03 3
5-Jan-03 3
6-Jan-03 3
7-Jan-03 3
8-Jan-03 3
9-Jan-03 3
10-Jan-03 3
11-Jan-03 3
12-Jan-03 3
13-Jan-03 3
14-Jan-03 3
15-Jan-03 3
16-Jan-03 3
17-Jan-03 3
18-Jan-03 56
19-Jan-03 83
20-Jan-03 117
21-Jan-03 170
22-Jan-03 204
23-Jan-03 220
24-Jan-03 128
25-Jan-03 168
26-Jan-03 180
27-Jan-03 193
28-Jan-03 187
29-Jan-03 135
30-Jan-03 139
31-Jan-03 80
1-Feb-03 143
2-Feb-03 130
3-Feb-03 169
4-Feb-03 67
5-Feb-03 125
6-Feb-03 125
7-Feb-03 57
8-Feb-03 185
9-Feb-03 101
10-Feb-03 108
11-Feb-03 92
12-Feb-03 101
13-Feb-03 129
14-Feb-03 130
15-Feb-03 174
16-Feb-03 162
17-Feb-03 52
18-Feb-03 15
19-Feb-03 17
20-Feb-03 3
21-Feb-03 48
22-Feb-03 55
23-Feb-03 10
24-Feb-03 53
25-Feb-03 3
26-Feb-03 15
27-Feb-03 43
28-Feb-03 73
1-Mar-03 32
2-Mar-03 12
3-Mar-03 3
4-Mar-03 3
5-Mar-03 3
6-Mar-03 3
7-Mar-03 3
8-Mar-03 3
9-Mar-03 3
10-Mar-03 127
11-Mar-03 127
12-Mar-03 138
13-Mar-03 126
14-Mar-03 174
15-Mar-03 207
16-Mar-03 360
17-Mar-03 425
18-Mar-03 432
19-Mar-03 438
20-Mar-03 416
21-Mar-03 3
22-Mar-03 3
23-Mar-03 3
24-Mar-03 3
25-Mar-03 37
26-Mar-03 36
27-Mar-03 3
28-Mar-03 3
29-Mar-03 216
30-Mar-03 256
31-Mar-03 269
1-Apr-03 211
2-Apr-03 178
3-Apr-03 91
4-Apr-03 41
5-Apr-03 86
6-Apr-03 312
7-Apr-03 249
8-Apr-03 273
9-Apr-03 230
10-Apr-03 144
11-Apr-03 127
12-Apr-03 99
13-Apr-03 46
14-Apr-03 3
15-Apr-03 3
16-Apr-03 3
17-Apr-03 3
18-Apr-03 52
19-Apr-03 51
20-Apr-03 41
21-Apr-03 21
22-Apr-03 89
23-Apr-03