| River Watch Version 3.4 |
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G. R.
Brakenridge* |
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| Experimental
Satellite-Based River Discharge Measurements using passive microwave
radiometry |
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Signal/Model agreement: |
Good |
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T. De Groeve** |
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Lena |
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Center: |
124.965 |
Long. |
S/N rating: |
Excellent |
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S. Cohen*** |
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| GFDS Site Number |
297 |
Predicted
Flooded Area |
Russia |
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Center: |
69.614 |
Lat. |
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S.V. Nghiem**** |
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| GEE
Time Lapse |
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Learn more about this
river |
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2393269 |
sq km |
Station contributing area |
A. J. Kettner* |
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| Last measured: |
21-Jul-17 |
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Obtain Data |
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J.P.M. Syvitski* |
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| Discharge: |
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7379 |
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 |
2.3 |
mm |
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88% |
(7-day runoff compared to 8 y average for this
date, 2003-2010) |
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**Joint Research Centre, Ispra, Italy |
| Flood Magnitude: |
0.0 |
Scale of 0-10 |
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Flood
Magnitude Defined |
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Technical Summary |
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***University of Alabama |
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****Jet Propulsion Laboratory, California |
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Sensors: AMSR-E, AMSR-2, GPM |
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Modeled sub-ice flow: |
433 |
m3/sec |
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Ice-cover detection operates during: |
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Sept. 9-Oct. 31 |
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May 8 -May 30 |
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Annual Maximum Discharge |
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2003 |
17277 |
m3/sec |
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2004 |
20174 |
m3/sec |
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2005 |
33111 |
m3/sec |
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2006 |
48307 |
m3/sec |
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2007 |
27691 |
m3/sec |
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2008 |
22672 |
m3/sec |
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2009 |
36591 |
m3/sec |
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2010 |
10902 |
m3/sec |
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Notes: |
4-day forward moving average is applied. |
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Low flow threshold is 20th percentile discharge
for this day, 2003-2010. |
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2014 |
30448 |
m3/sec |
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2015 |
25076 |
m3/sec |
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Flood Frequency Analysis, 2002-2015 |
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25 yr* |
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52653 |
m3/sec |
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10 yr* |
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44116 |
m3/sec |
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5 yr (major flood)* |
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36948 |
m3/sec |
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1.5 yr (bankfull flood)* |
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20747 |
m3/sec |
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Mean Discharge |
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4368 |
m3/sec |
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*From
Log Pearson III |
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Low Flow Threshold: |
#N/A |
m3/sec |
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See also: |
http://floodobservatory.colorado.edu/297IceCoverValidationviaMODIS.pdf |
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433 |
m3/sec |
Modeled Dec.-March average |
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(for today) |
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Chronology of Flood Magnitudes |
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