Abstract
This brief report, drawing from a multi-year effort by the U.S. Agency for International Development (USAID) Famine Early Warning Systems Network (FEWS NET), identifies observed changes in rainfall and temperature in Uganda, based on an analysis of a quality-controlled, long time series of station observations throughout Uganda. Extending recent trends forward, it also provides a current and near-future context for understanding the actual nature of climate change impacts in the country, and a basis for identifying climate adaptations that may protect and improve the country’s food security.
Conclusions:
• Both spring and summer rains have decreased in
Uganda during the past 25 years.
• The magnitude of observed warming, especially since
the early 1980s, is large and unprecedented within
the past 110 years, representing a large (2+ standard
deviations) change from the climatic norm.
• Cropping regions in the west and northwest appear
most affected by the observed changes in climate.
• Rainfall declines in the west and northwest threaten
Uganda’s future food production prospects.
• Warming temperatures may be adversely affecting coffee
production.
• Rapid population growth and the expansion of farming
and pastoralism under a drier and warmer climate
regime could dramatically increase the number of at risk
people in Uganda during the next 20 years.
• In many cases, areas with changing climate are coincident
with zones of substantial conflict, indicating
some degree of association; however, the contribution
of climate change to these conflicts is not currently
understood.
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First posted June 20, 2012
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