u.s. department of the interior u.s. geological survey february 29, 2012 – washington, d.c....
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U.S. Department of the InteriorU.S. Geological Survey
February 29, 2012 – Washington, D.C.
Detection and Monitoring of
Agricultural Droughtfor
Famine Early Warning
James VerdinUSGS Earth Resources Observation and Science
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February 29, 2012 – Washington, D.C.
Agricultural Drought Monitoring
• Support to USAID Food for Peace
• Across Multiple Time Scales:
• Current season….
• Season ahead….
• Climate change….
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February 29, 2012 – Washington, D.C.
Agricultural Drought Monitoring
• Livelihood systems are based on subsistence agriculture and/or pastoralism, and are highly drought-sensitive
• Conventional climate station networks are sparse and/or late reporting
• Satellite remote sensing and models fill the gap, and provide the basis for early detection of agricultural drought
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February 29, 2012 – Washington, D.C.
Agricultural Drought Monitoring
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February 29, 2012 – Washington, D.C.
Water from Snow PackModels are needed to fill in spatially and provide homogeneous historical time-series
Agricultural Drought Monitoring
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February 29, 2012 – Washington, D.C.
2010/11 rainfall compared to historical totals since 1950/51 in
select pastoral areas of Kenya and Ethiopia
Source: FEWS NET
Declaration of Worst Drought in 60 Years
Chris Funk, USGS
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February 29, 2012 – Washington, D.C.
Timor LesteA
B
Red – Presence countries
Yellow – Remote agroclimatic AND availability/access monitoring
Green – Remote agroclimatic monitoring only
C
Current monitoring domains: A, B, C
FEWS NET Monitoring
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February 29, 2012 – Washington, D.C. 8
Current FS status
Food Security Outlooks
Livelihoods
Seasonal Calendar
Regional & National FSO Regional & National FSO Scenario’s & Updates
Scenario’s & Updates
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February 29, 2012 – Washington, D.C.
20th Century Global Surface Temperatures and Indian Ocean SSTs Rising in Tandem
(Same “hockey-stick” rise since 1980) Anticipated change in rainfall (as percent) More agricultural drought lies ahead
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February 29, 2012 – Washington, D.C.
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February 29, 2012 – Washington, D.C.
Thank you