Site ID: 2096 Lat. 31.6821 China Anhui
River: Yangtze Long. 118.4324
Site name: Nanjing Contributing area: 1709804 km2 Ratio to Comparison Station: 60.55
Latest measurement: 6-Sep-11 Mean annual runoff: 15 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 24.5 mm
Latest M/C ratio: 1.34 Seven day total: 0.4 mm
Estimated current discharge: 962 m3/sec Percent of mean 7-day total: 76.4 % (today's value compared to mean for same period, 2003-2009)
5 yr recurrence flood: 3046 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 2930 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
2 2002 no data no data no data no data no data no data no data 0.7 0.9 0.4 0.2 0.2
4 2003 0.1 0.2 0.3 0.4 0.6 0.5 0.8 0.5 0.3 0.3 0.0 0.0
2 2004 0.1 0.1 0.1 0.1 0.3 0.6 0.2 0.3 0.2 0.0 0.0 0.0
18 2005 0.0 0.0 0.6 2.0 1.9 1.5 1.5 2.2 2.5 2.2 1.6 1.7
18 2006 1.3 1.3 1.8 1.6 1.8 1.9 1.7 2.4 2.0 2.1 0.0 0.0
22 2007 1.5 1.3 1.8 1.8 2.0 1.7 1.8 2.6 2.2 2.0 1.8 1.2
20 2008 1.3 1.1 1.7 1.7 2.0 1.4 1.4 2.2 2.4 1.6 1.6 1.6
21 2009 1.6 1.2 1.7 1.7 2.3 2.2 1.2 2.1 1.8 2.0 1.4 1.6
24 2010 1.5 1.1 1.4 1.6 1.7 2.3 1.9 2.8 2.0 2.2 2.1 3.8
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-02 608
23-Jul-02 608
24-Jul-02 1280
25-Jul-02 598
26-Jul-02 480
27-Jul-02 379
28-Jul-02 684
29-Jul-02 940
30-Jul-02 1511
31-Jul-02 1809
1-Aug-02 1921
2-Aug-02 1921
3-Aug-02
4-Aug-02
5-Aug-02
6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02
10-Aug-02 270
11-Aug-02 327
12-Aug-02 246
13-Aug-02 232
14-Aug-02 220
15-Aug-02 222
16-Aug-02 295
17-Aug-02 240
18-Aug-02 596
19-Aug-02 433
20-Aug-02 415
21-Aug-02 156
22-Aug-02 162
23-Aug-02 130
24-Aug-02 403
25-Aug-02 1066
26-Aug-02 539
27-Aug-02 645
28-Aug-02 219
29-Aug-02 525
30-Aug-02 756
31-Aug-02 1211
1-Sep-02 1945
2-Sep-02 1163
3-Sep-02 1266
4-Sep-02 788
5-Sep-02 963
6-Sep-02 823
7-Sep-02 467
8-Sep-02 423
9-Sep-02 3
10-Sep-02 150
11-Sep-02 609
12-Sep-02 463
13-Sep-02 731
14-Sep-02 731
15-Sep-02 202
16-Sep-02
17-Sep-02
18-Sep-02
19-Sep-02
20-Sep-02
21-Sep-02 1181
22-Sep-02 477
23-Sep-02 556
24-Sep-02 556
25-Sep-02 502
26-Sep-02 838
27-Sep-02 503
28-Sep-02 702
29-Sep-02 529
30-Sep-02 488
1-Oct-02 636
2-Oct-02 289
3-Oct-02 205
4-Oct-02 350
5-Oct-02 444
6-Oct-02 720
7-Oct-02 646
8-Oct-02 256
9-Oct-02 362
10-Oct-02 229
11-Oct-02 70
12-Oct-02 364
13-Oct-02 3
14-Oct-02 3
15-Oct-02 3
16-Oct-02 170
17-Oct-02 272
18-Oct-02 454
19-Oct-02 692
20-Oct-02 228
21-Oct-02 638
22-Oct-02 185
23-Oct-02 213
24-Oct-02 3
25-Oct-02 3
26-Oct-02 3
27-Oct-02 3
28-Oct-02 3
29-Oct-02 3
30-Oct-02 3
31-Oct-02 3
1-Nov-02 3
2-Nov-02 3
3-Nov-02 70
4-Nov-02 432
5-Nov-02 1202
6-Nov-02 913
7-Nov-02 344
8-Nov-02 261
9-Nov-02 3
10-Nov-02 3
11-Nov-02 3
12-Nov-02 73
13-Nov-02 674
14-Nov-02 372
15-Nov-02 64
16-Nov-02 3
17-Nov-02 3
18-Nov-02 3
19-Nov-02 3
20-Nov-02 3
21-Nov-02 40
22-Nov-02 64
23-Nov-02 120
24-Nov-02 131
25-Nov-02 3
26-Nov-02 3
27-Nov-02 3
28-Nov-02 3
29-Nov-02 3
30-Nov-02 3
1-Dec-02 3
2-Dec-02 3
3-Dec-02 3
4-Dec-02 3
5-Dec-02 25
6-Dec-02 475
7-Dec-02 404
8-Dec-02 646
9-Dec-02 3
10-Dec-02 3
11-Dec-02 3
12-Dec-02 3
13-Dec-02 3
14-Dec-02 7
15-Dec-02 219
16-Dec-02 386
17-Dec-02 245
18-Dec-02 3
19-Dec-02 3
20-Dec-02 3
21-Dec-02 3
22-Dec-02 3
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 66
30-Dec-02 248
31-Dec-02 820
1-Jan-03 835
2-Jan-03 425
3-Jan-03 3
4-Jan-03 3
5-Jan-03 3
6-Jan-03 3
7-Jan-03 229
8-Jan-03 370
9-Jan-03 300
10-Jan-03 3
11-Jan-03 31
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 3
19-Jan-03 3
20-Jan-03 3
21-Jan-03 3
22-Jan-03 3
23-Jan-03 195
24-Jan-03 3
25-Jan-03 3
26-Jan-03 3
27-Jan-03 3
28-Jan-03 3
29-Jan-03 3
30-Jan-03 3
31-Jan-03 3
1-Feb-03 348
2-Feb-03 130
3-Feb-03 190
4-Feb-03 138
5-Feb-03 115
6-Feb-03 170
7-Feb-03 105
8-Feb-03 44
9-Feb-03 283
10-Feb-03 4
11-Feb-03 3
12-Feb-03 3
13-Feb-03 3
14-Feb-03 3
15-Feb-03 3
16-Feb-03 144
17-Feb-03 550
18-Feb-03 359
19-Feb-03 366
20-Feb-03 3
21-Feb-03 13
22-Feb-03 6
23-Feb-03 51
24-Feb-03 740
25-Feb-03 601
26-Feb-03 325
27-Feb-03 41
28-Feb-03 134
1-Mar-03 3
2-Mar-03 63
3-Mar-03 102
4-Mar-03 21
5-Mar-03 423
6-Mar-03 347
7-Mar-03 347
8-Mar-03 3
9-Mar-03 176