River Watch Version 3.4 G. R. Brakenridge*
Experimental Satellite-Based River Discharge Measurements using passive microwave radiometry Signal/Model agreement: Fair T. De Groeve**
Coleville Center: -153.134  Long. S/N rating: Excellent S. Cohen***
GFDS Site Number 879 Predicted Flooded Area USA Center: 69.164  Lat. S.V. Nghiem****
GEE Time Lapse Learn more about this river 34090 sq km Station contributing area A. J. Kettner*
Last measured: 23-Sep-17 Obtain Data J.P.M. Syvitski*
Discharge: 74 m3/sec 0 Status: 1 (1, low; 2, normal flow; 3, moderate flood, r >1.5 y; 4, major flood, r >5 y) *CSDMS/INSTAAR, University of Colorado
7-day Runoff 0.0 mm 0% (7-day runoff compared to 8 y average for this date, 2003-2010) **Joint Research Centre, Ispra, Italy
Flood Magnitude: 0.0 Scale of 0-10 Flood Magnitude Defined Technical Summary ***University of Alabama
****Jet Propulsion Laboratory, California
Sensors: TRMM, AMSR-E, AMSR-2, GPM
Sub-ice flow value: 74 m3/sec
Ice-cover detection operates during:
Sept. 9-Oct. 1
May 8 -May 30
Annual Maximum Discharge
2003 2242 m3/sec
2004 2072 m3/sec
2005 2301 m3/sec
2006 2490 m3/sec
2007 1509 m3/sec
2008 1685 m3/sec
2009 1710 m3/sec
2010 1337 m3/sec
Notes: 4-day forward moving average is applied. Ground Gauging Station:  #    USGS 15875000 COLVILLE R AT UMIAT AK
Low flow threshold is 20th percentile discharge for this day, 2003-2010. (approximately 55 km downstream of this site) 2014 1336 m3/sec