River Watch Version 3.4 G. R. Brakenridge*
Experimental Satellite-Based River Discharge Measurements using passive microwave radiometry Signal/Model agreement: Good T. De Groeve**
Pur Center: 77.985  Long. S/N rating: Excellent S. Cohen***
GFDS Site Number 435 Predicted Flooded Area Russia Center: 65.384  Lat. S.V. Nghiem****
GEE Time Lapse Learn more about this river 61052 sq km Station contributing area A. J. Kettner*
Last measured: 21-Jul-17 Obtain Data J.P.M. Syvitski*
Discharge: 1217 m3/sec Ice Cover Status: 0 (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 11.6 mm 203% (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: AMSR-E, AMSR-2, GPM
Modeled sub-ice flow: 41 m3/sec
Ice-cover detection operates during:
Sept. 9-Oct. 1
May 8 -May 30
Annual Maximum Discharge
2003 5967 m3/sec
2004 4511 m3/sec
2005 5086 m3/sec
2006 3032 m3/sec
2007 2781 m3/sec
2008 2809 m3/sec
2009 3039 m3/sec
2010 1018 m3/sec
Notes: 4-day forward moving average is applied.
Low flow threshold is 20th percentile discharge for this day, 2003-2010.
2014 4066 m3/sec
2015 5277 m3/sec
Flood Frequency Analysis, 2002-2015
25 yr*
6872 m3/sec
10 yr*
5666 m3/sec
5 yr (major flood)*
4794 m3/sec
1.5 yr (bankfull flood)*
3173 m3/sec
Mean Discharge
356 m3/sec
*From Log Pearson III 
Low Flow Threshold: #N/A m3/sec
See also:  http://floodobservatory.colorado.edu/435IceCoverValidationviaMODIS.pdf 41 m3/sec Modeled Dec.-March average (for today)
Chronology of Flood Magnitudes