Site ID: 2553 Lat. 8.4503 Panama 0
River: Chucunaque Long. -77.8191
Site name: 0 Contributing area: 2944 km2 Ratio to Comparison Station: 0.06
Latest measurement: 10-Jan-10 Mean annual runoff: 600 mm (2003-2007)
Hydrologic status: 2 Normal flow Total runoff this year: 920 mm
Latest M/C ratio: 0.99 Seven day total: 1 mm
Estimated current discharge: 92 m3/sec Percent of mean 7-day total: 123.8 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 214 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 209 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Boca del Cerro (4362600)         Contributing Area:   sq mi 50458 sq km
(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)
Notes: Discharge calibration based on comparison of monthly means (maximum flows, minimum flows and mean discharge) from a station in the region
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
0 2002 no data no data no data no data no data no data no data 0.0 0.0 0.0 0.0 0.0
0 2003 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
0 2004 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
584 2005 0.0 0.0 2.6 99.3 91.9 5.9 0.0 67.2 74.4 92.1 71.4 79.4
235 2006 39.5 0.0 0.0 0.0 0.0 0.0 0.0 68.7 60.8 65.7 0.0 0.0
981 2007 79.4 61.2 102.7 95.8 75.2 83.4 78.4 94.1 65.9 82.9 85.1 76.5
920 2008 85.8 70.3 84.8 91.1 72.5 68.2 59.5 64.0 74.2 87.0 84.1 78.7
940 2009 98.4 96.4 107.8 102.2 49.1 46.8 81.8 69.4 81.6 63.5 72.3 70.3
Mean Annual Runoff: 680 Standard Deviation: 441
Trend in Annual Runoff (slope):  175.31
Discharge is estimated directly via a rating equation 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.
When data above show calibration site values lower than for the measurement site, discharge estimation may not be possible.
GoogleEarth View of Measurement Site
Return 2553.jpg
Date m3/sec
22-Jul-02
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