| 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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Ob |
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Center: |
80.955 |
Long. |
S/N rating: |
Excellent |
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S. Cohen*** |
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| GFDS Site Number |
317 |
Predicted
Flooded Area |
Russia |
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Center: |
59.084 |
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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643461 |
sq km |
Station contributing area |
A. J. Kettner* |
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| Last measured: |
13-Aug-18 |
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Obtain Data |
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J.P.M. Syvitski* |
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| Discharge: |
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2295 |
m3/sec |
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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 |
2.3 |
mm |
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162% |
(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: |
1053 |
m3/sec |
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Ice-cover detection operates during: |
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Sept. 9-Oct. 1 |
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April 18 -May 30 |
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Annual Maximum Discharge |
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2003 |
12964 |
m3/sec |
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2004 |
12879 |
m3/sec |
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2005 |
8001 |
m3/sec |
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2006 |
10814 |
m3/sec |
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2007 |
15734 |
m3/sec |
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2008 |
9400 |
m3/sec |
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2009 |
8737 |
m3/sec |
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2010 |
14602 |
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 |
11922 |
m3/sec |
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2015 |
15108 |
m3/sec |
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Flood Frequency Analysis, 2002-2015 |
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25 yr* |
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17316 |
m3/sec |
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10 yr* |
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15530 |
m3/sec |
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5 yr (major flood)* |
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13992 |
m3/sec |
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1.5 yr (bankfull flood)* |
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10232 |
m3/sec |
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Mean Discharge |
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2725 |
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/435IceCoverValidationviaMODIS.pdf |
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1053 |
m3/sec |
Modeled Dec.-March average |
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(for today) |
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Chronology of Flood Magnitudes |
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