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**
Ob Center: 80.955  Long. S/N rating: Excellent S. Cohen***
GFDS Site Number 317 Predicted Flooded Area Russia Center: 59.084  Lat. S.V. Nghiem****
GEE Time Lapse Learn more about this river 643461 sq km Station contributing area A. J. Kettner*
Last measured: 29-Mar-17 Obtain Data J.P.M. Syvitski*
Discharge: 1053 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 1.0 mm 114% (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: 1053 m3/sec
Ice-cover detection operates during:
Sept. 9-Oct. 1
April 18 -May 30
Annual Maximum Discharge
2003 12964 m3/sec
2004 12879 m3/sec
2005 8001 m3/sec
2006 10814 m3/sec
2007 15734 m3/sec
2008 9400 m3/sec
2009 8737 m3/sec
2010 14602 m3/sec
Notes: 4-day forward moving average is applied.
Low flow threshold is 20th percentile discharge for this day, 2003-2010.
2014 11922 m3/sec
2015 15108 m3/sec
Flood Frequency Analysis, 2002-2015
25 yr*
17316 m3/sec
10 yr*
15530 m3/sec
5 yr (major flood)*
13992 m3/sec
1.5 yr (bankfull flood)*
10232 m3/sec
Mean Discharge
2725 m3/sec
*From Log Pearson III 
Low Flow Threshold: #N/A m3/sec
See also:  http://floodobservatory.colorado.edu/435IceCoverValidationviaMODIS.pdf 1053 m3/sec Modeled Dec.-March average (for today)
Chronology of Flood Magnitudes