Site ID: 2070 Lat. 48.4040 France 0
River: Lorgeval Long. 3.1444
Site name: 0 Contributing area: 9003 km2 Ratio to Comparison Station: 0.32
Latest measurement: 7-Sep-11 Mean annual runoff: 281 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 377.8 mm
Latest M/C ratio: 1.12 Seven day total: 8.1 mm
Estimated current discharge: 58 m3/sec Percent of mean 7-day total: 85.2 % (today's value compared to mean for same period, 2003-2009)
5 yr recurrence flood: 505 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 487 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
78 2002 no data no data no data no data no data no data no data 20.0 13.2 9.7 27.8 7.7
220 2003 16.4 3.6 25.4 19.7 39.8 24.8 19.4 40.2 6.5 17.2 2.0 4.9
94 2004 18.6 0.9 12.1 10.1 17.5 7.7 6.6 2.5 12.1 3.7 1.0 1.0
187 2005 6.4 3.3 7.2 24.4 31.7 10.3 0.1 45.9 17.5 5.2 16.7 18.0
326 2006 10.7 10.3 26.5 42.2 30.8 28.4 57.8 42.5 53.0 24.2 0.0 0.0
350 2007 15.3 32.8 52.3 44.8 34.9 37.5 21.3 31.1 27.6 11.2 8.1 33.2
371 2008 51.4 52.4 19.3 54.1 38.1 16.5 41.6 31.4 20.2 8.2 19.7 17.6
419 2009 7.5 24.9 37.0 48.8 48.8 40.6 34.0 50.0 40.9 27.7 24.3 34.2
378 2010 18.5 9.8 28.9 55.3 29.5 43.3 71.7 44.5 43.5 16.2 5.4 11.2
Mean Annual Runoff (mm): 281 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 90
23-Jul-02 90
24-Jul-02 45
25-Jul-02 78
26-Jul-02 55
27-Jul-02 3
28-Jul-02 8
29-Jul-02 6
30-Jul-02 32
31-Jul-02 67
1-Aug-02 49
2-Aug-02 137
3-Aug-02
4-Aug-02
5-Aug-02
6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02 3
10-Aug-02 3
11-Aug-02 3
12-Aug-02 18
13-Aug-02 38
14-Aug-02 62
15-Aug-02 58
16-Aug-02 65
17-Aug-02 117
18-Aug-02 114
19-Aug-02 184
20-Aug-02 277
21-Aug-02 161
22-Aug-02 136
23-Aug-02 138
24-Aug-02 130
25-Aug-02 170
26-Aug-02 147
27-Aug-02 50
28-Aug-02 3
29-Aug-02 3
30-Aug-02 3
31-Aug-02 10
1-Sep-02 77
2-Sep-02 148
3-Sep-02 179
4-Sep-02 81
5-Sep-02 29
6-Sep-02 26
7-Sep-02 102
8-Sep-02 52
9-Sep-02 21
10-Sep-02 3
11-Sep-02 3
12-Sep-02 3
13-Sep-02 33
14-Sep-02 147
15-Sep-02 85
16-Sep-02 123
17-Sep-02
18-Sep-02
19-Sep-02
20-Sep-02
21-Sep-02 66
22-Sep-02 3
23-Sep-02 3
24-Sep-02 3
25-Sep-02 3
26-Sep-02 3
27-Sep-02 25
28-Sep-02 41
29-Sep-02 56
30-Sep-02 56
1-Oct-02 46
2-Oct-02 94
3-Oct-02 67
4-Oct-02 70
5-Oct-02 17
6-Oct-02 3
7-Oct-02 3
8-Oct-02 3
9-Oct-02 3
10-Oct-02 3
11-Oct-02 3
12-Oct-02 3
13-Oct-02 3
14-Oct-02 3
15-Oct-02 3
16-Oct-02 3
17-Oct-02 3
18-Oct-02 3
19-Oct-02 3
20-Oct-02 3
21-Oct-02 68
22-Oct-02 103
23-Oct-02 73
24-Oct-02 91
25-Oct-02 103
26-Oct-02 52
27-Oct-02 108
28-Oct-02 18
29-Oct-02 3
30-Oct-02 13
31-Oct-02 37
1-Nov-02 116
2-Nov-02 138
3-Nov-02 154
4-Nov-02 106
5-Nov-02 104
6-Nov-02 134
7-Nov-02 240
8-Nov-02 259
9-Nov-02 206
10-Nov-02 166
11-Nov-02 71
12-Nov-02 3
13-Nov-02 3
14-Nov-02 3
15-Nov-02 3
16-Nov-02 13
17-Nov-02 7
18-Nov-02 14
19-Nov-02 29
20-Nov-02 60
21-Nov-02 45
22-Nov-02 146
23-Nov-02 104
24-Nov-02 102
25-Nov-02 115
26-Nov-02 72
27-Nov-02 132
28-Nov-02 133
29-Nov-02 105
30-Nov-02 112
1-Dec-02 9
2-Dec-02 3
3-Dec-02 3
4-Dec-02 3
5-Dec-02 3
6-Dec-02 27
7-Dec-02 50
8-Dec-02 44
9-Dec-02 3
10-Dec-02 3
11-Dec-02 3
12-Dec-02 3
13-Dec-02 3
14-Dec-02 3
15-Dec-02 3
16-Dec-02 3
17-Dec-02 3
18-Dec-02 22
19-Dec-02 27
20-Dec-02 3
21-Dec-02 3
22-Dec-02 3
23-Dec-02 3
24-Dec-02 3
25-Dec-02 30
26-Dec-02 61
27-Dec-02 156
28-Dec-02 58
29-Dec-02 110
30-Dec-02 82
31-Dec-02 69
1-Jan-03 128
2-Jan-03 44
3-Jan-03 30
4-Jan-03 71
5-Jan-03 97
6-Jan-03 152
7-Jan-03 91
8-Jan-03 55
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 3
19-Jan-03 70
20-Jan-03 84
21-Jan-03 42
22-Jan-03 61
23-Jan-03 50
24-Jan-03 53
25-Jan-03 98
26-Jan-03 78
27-Jan-03 80
28-Jan-03 71
29-Jan-03 138
30-Jan-03 116
31-Jan-03 70
1-Feb-03 57
2-Feb-03 13
3-Feb-03 3
4-Feb-03 3
5-Feb-03 3
6-Feb-03 3
7-Feb-03 3
8-Feb-03 3
9-Feb-03 3
10-Feb-03 3
11-Feb-03 3
12-Feb-03 3
13-Feb-03 117
14-Feb-03 72
15-Feb-03 38
16-Feb-03 3
17-Feb-03 3
18-Feb-03 3
19-Feb-03 3
20-Feb-03 3
21-Feb-03 3
22-Feb-03 3
23-Feb-03 3
24-Feb-03 3
25-Feb-03 3
26-Feb-03 3
27-Feb-03 3
28-Feb-03 3
1-Mar-03 3
2-Mar-03 3
3-Mar-03 3
4-Mar-03 48
5-Mar-03 101
6-Mar-03 192
7-Mar-03 50
8-Mar-03 47
9-Mar-03 97
10-Mar-03 60
11-Mar-03 116
12-Mar-03 84
13-Mar-03 92
14-Mar-03 80
15-Mar-03 176
16-Mar-03 181
17-Mar-03 79
18-Mar-03 89
19-Mar-03 100
20-Mar-03 70
21-Mar-03 117
22-Mar-03 109
23-Mar-03 117
24-Mar-03 134
25-Mar-03 196
26-Mar-03 129
27-Mar-03 52
28-Mar-03 3
29-Mar-03 21
30-Mar-03 40
31-Mar-03 60
1-Apr-03 3
2-Apr-03 3
3-Apr-03 3