Site ID: 1604 Lat. 54.0202 Ireland 0
River: Erne Long. -7.4460
Site name: 0 Contributing area: 5126 km2 Ratio to Comparison Station: 0.11
Latest measurement: 8-Jan-10 Mean annual runoff: 350 mm (2003-2008)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 9 mm 2010
Latest M/C ratio: 1.10 Seven day total: 6 mm
Estimated current discharge: 79 m3/sec Percent of mean 7-day total: 74.2 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 111 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 106 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Vaenersborg (6229500)         Contributing Area:   sq mi 44945 sq km
(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)
Notes:
Discharge and runoff, based on satellite remote sensing (NASA AMSR-E data)
(For U.S, sites, nearby ground station discharge may also be shown)
2008-Present
2002-Present
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
123 2002 no data no data no data no data no data no data no data 21.6 22.1 26.4 26.2 26.4
306 2003 26.4 23.8 26.4 25.5 26.4 25.6 26.4 26.4 25.5 26.4 21.3 26.4
311 2004 26.4 24.7 26.4 25.5 26.4 25.5 26.4 26.4 25.5 26.4 25.5 26.4
345 2005 26.4 23.8 26.6 34.6 31.7 27.2 3.4 28.6 26.9 31.1 37.2 47.9
332 2006 34.1 30.4 27.3 32.3 38.8 39.0 32.0 29.3 33.0 35.8 0.0 0.0
392 2007 41.9 31.0 41.8 32.7 28.5 26.4 31.1 34.9 32.5 27.8 28.9 35.0
410 2008 41.7 34.7 34.0 31.9 30.6 28.2 33.6 36.3 40.4 34.1 31.1 33.7
412 2009 32.1 28.8 33.7 32.9 34.9 32.4 31.6 31.0 37.6 28.4 41.2 47.6
9 2010 9.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Mean Annual Runoff (mm): 9 Standard Deviation: 46
Trend in Annual Runoff (slope):  14.38
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.
Explanation:   Green line records upwelling microwave emission from a land parcel (ca 10 km x 10 km) near the river; blue line from a parcel centered over the river.
Brown line is their ratio (M/C; 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. For calibration status, see "notes" entry, above.
GoogleEarth View of Measurement Site
1604.jpg
Return
Estimated
Disharge
Data
Date m3/sec
22-Jul-02 50
23-Jul-02 50
24-Jul-02 50
25-Jul-02 50
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27-Jul-02 50
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1-Aug-02 50
2-Aug-02 70
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9-Aug-02 50
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1-Oct-02 50
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14-Nov-02 62
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21-Nov-02 59
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25-Nov-02 50
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