| Reservoir Watch Version 3.5 |
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| Reservoir and Lake Monitoring using satellite
measurements |
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Signal/Noise*: |
4.7 |
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This work, web site, and |
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Lake Nasser |
Center: |
31.12 |
Long. |
Signal/Noise: |
Fair |
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associated data are by |
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| GFDS Site Number |
11842 |
Modis
History |
Sudan |
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Center: |
21.63 |
Lat. |
* Signal range/daily variation |
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G. R. Brakenridge and A. J. Kettner |
| GEE
Time Lapse |
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Learn more about this
reservoir |
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Percentile Thresholds |
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They are provided here under |
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| Last measured: |
12-Jul-18 |
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Obtain Data |
20th |
92% |
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the terms of a Creative Commons |
| Area (% of Maximum): |
94% |
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Status: |
Very high |
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70th |
93% |
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Attribution-NonCommercial- |
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| Signal range: |
0.074 |
Average daily
change: |
0.016 |
Status Code: |
4 |
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Technical Summary |
90th |
94% |
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Share-Alike 4.0
license. |
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Altimetry
Data from US FAS (Independent validation) |
Commercial use available by permission. |
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Sensors: TRMM, AMSR-E, AMSR-2, GPM |
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Annual Maximum |
Annual Average |
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1998 |
99.4% |
96.4% |
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1999 |
99.7% |
96.7% |
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2000 |
99.3% |
96.8% |
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2001 |
98.9% |
96.4% |
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2002 |
98.6% |
96.2% |
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2003 |
98.0% |
95.5% |
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2004 |
97.2% |
95.1% |
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2005 |
95.1% |
93.3% |
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2006 |
96.6% |
93.7% |
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2007 |
98.8% |
95.7% |
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2008 |
99.3% |
96.4% |
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2009 |
98.0% |
95.3% |
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2010 |
96.1% |
93.8% |
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Notes: |
7-day
forward moving average is applied. |
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2011 |
96.9% |
93.6% |
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Percentile
values for daily thresholds use 2009-2016 period of record. |
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2012 |
95.2% |
92.2% |
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< 20th percentile is "low",
21-69th percentile is "normal", 70-90th percentile is
"high", > 90th precentile is "very high" |
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2013 |
95.1% |
93.3% |
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