Site ID: 2339 Lat. -12.2738 Australia Northern Territory
River: Mann Long. 134.2603
Site name: Maningrida Contributing area: 857 km2 Ratio to Comparison Station: 0.03
Latest measurement: 6-Sep-11 Mean annual runoff: 4428 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 10892.7 mm
Latest M/C ratio: 1.10 Seven day total: 3.0 mm
Estimated current discharge: 3 m3/sec Percent of mean 7-day total: 129.8 % (today's value compared to mean for same period, 2003-2009)
5 yr recurrence flood: 2219 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 2185 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
58 2002 no data no data no data no data no data no data no data 8.0 8.0 10.4 10.1 21.1
2152 2003 329.9 395.8 1188.4 158.9 10.4 9.4 10.4 10.4 10.1 10.4 7.4 10.4
311 2004 10.4 9.7 193.0 10.1 10.4 10.1 10.4 10.4 10.1 10.4 10.1 16.3
942 2005 10.4 9.4 447.8 322.8 10.4 10.1 10.4 10.4 10.1 10.4 9.7 80.7
5631 2006 1053.2 1080.3 794.7 1027.2 1621.8 12.2 10.4 10.4 10.1 10.4 0.0 0.0
8770 2007 140.3 189.5 5003.3 2268.3 538.1 22.1 10.4 10.4 10.1 17.5 292.8 266.8
8161 2008 2777.5 1515.2 2386.8 639.9 68.5 9.4 10.4 10.4 39.5 196.0 44.3 463.4
5028 2009 1160.2 900.9 1956.3 269.4 69.9 26.9 10.4 10.4 10.1 15.3 167.4 430.7
10893 2010 2545.1 474.1 1649.1 3459.9 408.8 41.2 10.4 10.4 94.8 302.6 600.2 1296.1
Mean Annual Runoff (mm): 4428 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 3
23-Jul-02 3
24-Jul-02 3
25-Jul-02 3
26-Jul-02 3
27-Jul-02 3
28-Jul-02 3
29-Jul-02 3
30-Jul-02 3
31-Jul-02 3
1-Aug-02 3
2-Aug-02 3
3-Aug-02
4-Aug-02
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6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02
10-Aug-02 3
11-Aug-02 3
12-Aug-02 3
13-Aug-02 3
14-Aug-02 3
15-Aug-02 3
16-Aug-02 3
17-Aug-02 3
18-Aug-02 3
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27-Aug-02 3
28-Aug-02 3
29-Aug-02 3
30-Aug-02 3
31-Aug-02 3
1-Sep-02 3
2-Sep-02 3
3-Sep-02 3
4-Sep-02 3
5-Sep-02 3
6-Sep-02 3
7-Sep-02 3
8-Sep-02 3
9-Sep-02 3
10-Sep-02 3
11-Sep-02 3
12-Sep-02 3
13-Sep-02 3
14-Sep-02 3
15-Sep-02
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18-Sep-02
19-Sep-02
20-Sep-02
21-Sep-02 3
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23-Sep-02 3
24-Sep-02 3
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26-Sep-02 3
27-Sep-02 3
28-Sep-02 3
29-Sep-02 3
30-Sep-02 3
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 3
9-Oct-02 3
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18-Dec-02 3
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20-Dec-02 3
21-Dec-02 3
22-Dec-02 109
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 37
4-Jan-03 78
5-Jan-03 78
6-Jan-03 3
7-Jan-03 3
8-Jan-03 3
9-Jan-03 3
10-Jan-03 28
11-Jan-03 30
12-Jan-03 174
13-Jan-03 150
14-Jan-03 3
15-Jan-03 117
16-Jan-03 253
17-Jan-03 180
18-Jan-03 180
19-Jan-03 3
20-Jan-03 3
21-Jan-03 3
22-Jan-03 3
23-Jan-03 459
24-Jan-03 464
25-Jan-03 464
26-Jan-03 167
27-Jan-03 78
28-Jan-03 88
29-Jan-03 15
30-Jan-03 3
31-Jan-03 188
1-Feb-03 188
2-Feb-03 320
3-Feb-03 320
4-Feb-03 8
5-Feb-03 150
6-Feb-03 164
7-Feb-03 164
8-Feb-03 460
9-Feb-03 187
10-Feb-03 187
11-Feb-03 3
12-Feb-03 171
13-Feb-03 140
14-Feb-03 71
15-Feb-03 160
16-Feb-03 3
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21-Feb-03 3
22-Feb-03 3
23-Feb-03 139
24-Feb-03 446
25-Feb-03 307
26-Feb-03 307
27-Feb-03 3
28-Feb-03 3
1-Mar-03 97
2-Mar-03 28
3-Mar-03 156
4-Mar-03 144
5-Mar-03 63
6-Mar-03 160
7-Mar-03 160
8-Mar-03 414
9-Mar-03 372
10-Mar-03 559
11-Mar-03 23
12-Mar-03 3
13-Mar-03 3
14-Mar-03 3
15-Mar-03 368
16-Mar-03 537
17-Mar-03 654
18-Mar-03 608
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20-Mar-03 885
21-Mar-03 1263
22-Mar-03 1389
23-Mar-03 1389
24-Mar-03 403
25-Mar-03 345
26-Mar-03 11
27-Mar-03 3
28-Mar-03 3
29-Mar-03 405
30-Mar-03 405
31-Mar-03 411
1-Apr-03 425
2-Apr-03 198
3-Apr-03 182
4-Apr-03 206
5-Apr-03 55
6-Apr-03 63
7-Apr-03 3
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11-Apr-03 30
12-Apr-03 70
13-Apr-03 242
14-Apr-03 21
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7-Jun-03 3 <