River and Reservoir Watch
Version 4.5 |
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River
Discharge and Reservoir Storage Changes Using Satellite Microwave Radiometry |
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Okavango |
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Center: |
20.7 |
Long. |
Signal/Noise: |
23.3 |
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GFDS Area ID: |
281 |
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Angola |
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Center: |
-18 |
Lat. |
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Excellent |
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GEE Time Series |
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WorldView
Time Series |
Learn more about this
river |
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242768 |
sq km |
WBM contributing area |
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Last measured: |
20-Jul-23 |
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Discharge: |
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19 |
m3/sec |
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Status: |
2 |
(1, low; 2, normal flow; 3, moderate flood, r
>1.5 y; 4, major flood, r >5 y) |
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7-day Runoff |
0.0 |
mm |
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24% |
(7-day runoff compared to 20 y average for this
date, 2002-2021) |
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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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Notes: |
7-day forward weighted moving average is
applied. |
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Geolocation correction, commencing April 1,
2012: |
0 |
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Low flow is 20th percentile discharge for this
day, 2003-2013. |
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Log
Pearson III computes recurrence intervals from 22 years of record (1998-2019) |
Change in 10 yr flood discharge (2010-2021
/1998-2009): |
93.1% |
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Mean discharge |
319 |
m3/s |
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Annual Runoff (percent of mean, 1998-2021) |
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Mean Runoff |
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41 |
mm |
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Major
Floods |
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Change in Annual Runoff (2010-2021/1998-2009): |
81.3% |
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10 = Flood of Record |
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Protected Under
United States Copyright Law |
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Access
to Data |
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Sample
Citation: Brakenridge, G. R., Kettner, A. J., Nghiem, S. V., Kugler, Zs.,
Paris, S. and Cohen, S., River and
Reservoir Watch Version 4.5, |
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DFO Flood
Observatory, University of Colorado, USA.
http://floodobservatory.colorado.edu/ SiteDisplays/ 20.htm (Accessed 20
February 2023). |
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Robert.Brakenridge@Colorado.edu |
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Coefficients of
Polynomial or Linear Rating Curve used: |
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-30419.59 |
29974.33 |
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x^4 |
x^3 |
x^2 |
x |
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