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**
Ob Center: 78.975  Long. S/N rating: Excellent S. Cohen***
GFDS Site Number 318 Predicted Flooded Area Russia Center: 59.894  Lat. S.V. Nghiem****
GEE Time Lapse Learn more about this river 744639 sq km Station contributing area A. J. Kettner*
Last measured: 27-May-17 Obtain Data J.P.M. Syvitski*
Discharge: 346 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 0.3 mm 5% (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: 346 m3/sec
Ice-cover detection operates during:
Sept. 9-Oct. 1
April 18 -May 30
Annual Maximum Discharge
2003 12413 m3/sec
2004 12965 m3/sec
2005 9826 m3/sec
2006 8836 m3/sec
2007 28492 m3/sec
2008 11788 m3/sec
2009 6798 m3/sec
2010 12977 m3/sec
Notes: 4-day forward moving average is applied.
Low flow threshold is 20th percentile discharge for this day, 2003-2010.
2014 12406 m3/sec
2015 25174 m3/sec
Flood Frequency Analysis, 2002-2015
25 yr*
14570 m3/sec
10 yr*
13802 m3/sec
5 yr (major flood)*
12948 m3/sec
1.5 yr (bankfull flood)*
9906 m3/sec
Mean Discharge
2656 m3/sec
*From Log Pearson III 
Low Flow Threshold: #N/A m3/sec
See also:  http://floodobservatory.colorado.edu/435IceCoverValidationviaMODIS.pdf 346 m3/sec Modeled Dec.-March average (for today)
Chronology of Flood Magnitudes