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Changes in Ugandan Climate Rainfall at the Village and Forest Level
Paddy Ssentongo1, Abraham J B Muwanguzi2, Uri Eden3
1Department of Engineering Science and Mechanics, Center for Neural Engineering, PA, University Park, USA.
Scientific Reports
|February 25, 2018
Summary
Uganda experienced a 12% decrease in average rainfall over 34 years, impacting agriculture and wildlife. This rainfall decline, particularly in central and western regions, affects food security and gorilla habitats in Bwindi Forest.
Area of Science:
- Climatology
- Environmental Science
- African Studies
Background:
- The US National Oceanographic and Atmospheric Administration (NOAA) developed the African Rainfall Climate version 2.0 (ARC2) dataset in 2013.
- ARC2 provides daily rainfall estimates since 1983 at a 0.1° × 0.1° resolution for the African Continent.
Purpose of the Study:
- To analyze rainfall trends in Uganda over the past 34 years using the ARC2 dataset.
- To identify spatial and temporal patterns of rainfall changes and their implications.
Main Methods:
- Utilized the African Rainfall Climate version 2.0 (ARC2) dataset for rainfall estimation.
- Analyzed 34 years of daily rainfall data to identify long-term trends and anomalies.
- Assessed rainfall changes across different regions of Uganda, including agricultural areas and wildlife habitats.
Main Results:
- Identified an overall decrease in average rainfall of approximately 12% in Uganda over the 34-year period.
- Observed the greatest rainfall decreases in agricultural regions of central and western Uganda.
- Documented similar rainfall decreases within the Bwindi Forest, a critical gorilla habitat in Southwest Uganda.
Conclusions:
- The observed rainfall decrease has significant implications for Uganda's agriculture production and food security.
- Declining rainfall patterns pose a threat to wildlife habitats, specifically impacting gorilla populations in Bwindi Forest.
- These climatic changes necessitate adaptive strategies to mitigate adverse economic and societal impacts.
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