Site ID: 2227 Lat. -0.3409 Indonesia Kalimantan Timur
River: Mahakam Swamps Long. 116.1443
Site name: Muarapahu Contributing area: 33534 km2 Ratio to Comparison Station: 1.19
Latest measurement: 12-Jul-10 Mean annual runoff: 1047 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 606.0 mm
Latest M/C ratio: 1.20 Seven day total: 15.4 mm
Estimated current discharge: 368 m3/sec Percent of mean 7-day total: 65.8 % (today's value compared to mean for same period, 2003-2009)
5 yr recurrence flood: 6326 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 6105 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
111 2002 no data no data no data no data no data no data no data 32.1 14.0 9.2 9.6 46.0
571 2003 80.0 69.8 54.5 120.5 63.8 24.3 19.5 13.7 11.9 37.5 9.7 66.1
847 2004 78.6 105.3 178.8 93.2 156.6 68.6 35.6 21.6 11.2 20.8 10.6 66.5
1345 2005 140.5 112.8 139.8 260.6 235.6 140.1 59.7 72.4 78.2 73.3 3.7 28.6
1264 2006 128.6 92.4 104.5 171.5 214.2 193.2 200.0 93.0 49.6 17.3 0.0 0.0
1077 2007 29.0 80.6 70.1 71.7 278.3 161.3 82.5 51.8 52.2 26.6 73.7 99.4
1252 2008 95.4 76.5 116.3 116.3 166.7 105.5 83.3 69.7 58.2 68.4 138.3 157.0
968 2009 113.5 120.7 139.6 116.0 96.3 99.0 95.6 69.6 22.7 10.8 29.8 54.7
606 2010 87.0 92.9 52.1 104.8 145.3 100.1 23.8 0.0 0.0 0.0 0.0 0.0
Mean Annual Runoff (mm): 1047 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-02 592
23-Jul-02 592
24-Jul-02 389
25-Jul-02 419
26-Jul-02 377
27-Jul-02 1088
28-Jul-02 1088
29-Jul-02 1041
30-Jul-02 864
31-Jul-02 602
1-Aug-02 602
2-Aug-02 521
3-Aug-02
4-Aug-02
5-Aug-02
6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02
10-Aug-02 715
11-Aug-02 715
12-Aug-02 830
13-Aug-02 830
14-Aug-02 1040
15-Aug-02 759
16-Aug-02 671
17-Aug-02 571
18-Aug-02 292
19-Aug-02 583
20-Aug-02 583
21-Aug-02 361
22-Aug-02 276
23-Aug-02 290
24-Aug-02 251
25-Aug-02 364
26-Aug-02 410
27-Aug-02 183
28-Aug-02 449
29-Aug-02 449
30-Aug-02 379
31-Aug-02 333
1-Sep-02 169
2-Sep-02 150
3-Sep-02 176
4-Sep-02 42
5-Sep-02 42
6-Sep-02 119
7-Sep-02 87
8-Sep-02 319
9-Sep-02 247
10-Sep-02 254
11-Sep-02 160
12-Sep-02 51
13-Sep-02 3
14-Sep-02 3
15-Sep-02
16-Sep-02
17-Sep-02
18-Sep-02
19-Sep-02
20-Sep-02
21-Sep-02
22-Sep-02 619
23-Sep-02 661
24-Sep-02 590
25-Sep-02 407
26-Sep-02 277
27-Sep-02 313
28-Sep-02 183
29-Sep-02 285
30-Sep-02 285
1-Oct-02 3
2-Oct-02 3
3-Oct-02 3
4-Oct-02 3
5-Oct-02 3
6-Oct-02 3
7-Oct-02 3
8-Oct-02 80
9-Oct-02 106
10-Oct-02 427
11-Oct-02 313
12-Oct-02 421
13-Oct-02 317
14-Oct-02 121
15-Oct-02 116
16-Oct-02 116
17-Oct-02 222
18-Oct-02 110
19-Oct-02 117
20-Oct-02 90
21-Oct-02 3
22-Oct-02 3
23-Oct-02 3
24-Oct-02 3
25-Oct-02 56
26-Oct-02 120
27-Oct-02 168
28-Oct-02 218
29-Oct-02 172
30-Oct-02 196
31-Oct-02 58
1-Nov-02 58
2-Nov-02 345
3-Nov-02 348
4-Nov-02 545
5-Nov-02 445
6-Nov-02 298
7-Nov-02 218
8-Nov-02 218
9-Nov-02 20
10-Nov-02 3
11-Nov-02 3
12-Nov-02 3
13-Nov-02 3
14-Nov-02 12
15-Nov-02 3
16-Nov-02 3
17-Nov-02 3
18-Nov-02 3
19-Nov-02 3
20-Nov-02 3
21-Nov-02 3
22-Nov-02 3
23-Nov-02 3
24-Nov-02 3
25-Nov-02 3
26-Nov-02 3
27-Nov-02 257
28-Nov-02 241
29-Nov-02 267
30-Nov-02 383
1-Dec-02 722
2-Dec-02 684
3-Dec-02 684
4-Dec-02 818
5-Dec-02 724
6-Dec-02 950
7-Dec-02 814
8-Dec-02 545
9-Dec-02 915
10-Dec-02 915
11-Dec-02 3
12-Dec-02 160
13-Dec-02 34
14-Dec-02 23
15-Dec-02 520
16-Dec-02 637
17-Dec-02 548
18-Dec-02 1059
19-Dec-02 1059
20-Dec-02 714
21-Dec-02 878
22-Dec-02 739
23-Dec-02 552
24-Dec-02 687
25-Dec-02 266
26-Dec-02 266
27-Dec-02 579
28-Dec-02 567
29-Dec-02 538
30-Dec-02 227
31-Dec-02 20
1-Jan-03 3
2-Jan-03 3
3-Jan-03 1038
4-Jan-03 1038
5-Jan-03 1254
6-Jan-03 379
7-Jan-03 136
8-Jan-03 3
9-Jan-03 3
10-Jan-03 174
11-Jan-03 174
12-Jan-03 678
13-Jan-03 804
14-Jan-03 967
15-Jan-03 963
16-Jan-03 1174
17-Jan-03 1355
18-Jan-03 1344
19-Jan-03 1681
20-Jan-03 1681
21-Jan-03 2043
22-Jan-03 1756
23-Jan-03 1833
24-Jan-03 1463
25-Jan-03 989
26-Jan-03 752
27-Jan-03 752
28-Jan-03 1415
29-Jan-03 1427
30-Jan-03 2170
31-Jan-03 1615
1-Feb-03 1370
2-Feb-03 1149
3-Feb-03 675
4-Feb-03 977
5-Feb-03 977
6-Feb-03 1143
7-Feb-03 1143
8-Feb-03 1083
9-Feb-03 681
10-Feb-03 263
11-Feb-03 379
12-Feb-03 379
13-Feb-03 1026
14-Feb-03 988
15-Feb-03 1639
16-Feb-03 1315
17-Feb-03 1186
18-Feb-03 1115
19-Feb-03 810
20-Feb-03 929
21-Feb-03 929
22-Feb-03 1264
23-Feb-03 1096
24-Feb-03 1187
25-Feb-03 1011
26-Feb-03 708
27-Feb-03 832
28-Feb-03 832
1-Mar-03 766
2-Mar-03 719
3-Mar-03 854
4-Mar-03 752
5-Mar-03 871
6-Mar-03 891
7-Mar-03 720
8-Mar-03 650
9-Mar-03 650
10-Mar-03 250
11-Mar-03 318
12-Mar-03 266
13-Mar-03 467
14-Mar-03 681
15-Mar-03 411
16-Mar-03 411
17-Mar-03 3
18-Mar-03 3
19-Mar-03 272
20-Mar-03 28
21-Mar-03 97
22-Mar-03 103
23-Mar-03 3
24-Mar-03 673
25-Mar-03 1031
26-Mar-03 1579
27-Mar-03 1453
28-Mar-03 1370
29-Mar-03 1513
30-Mar-03 1499
31-Mar-03 1842
1-Apr-03 1842
2-Apr-03 1855
3-Apr-03 1872
4-Apr-03 2033
5-Apr-03 1804
6-Apr-03 1630
7-Apr-03 2123
8-Apr-03 2039