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Research Paper | Environmental Science Studies | Ethiopia | Volume 3 Issue 8, August 2014

Trend ofLake Evaporation Considering Climate Change, the Case of Lake Hawasa, Ethiopia

Wendmagegn Girma Gebrie | Brook Abate

Abstract: Nowadays, the sign of climate change and its impact is enlightening on different natural and manmade systems one of the physical system is lake. This study mainly deals with Trend of Lake Evaporation Considering Climate Change on Lake Hawassa, which is found in Rift Valley of Ethiopian. Projection of the future climate variables is done by using General Circulation Model (GCM) which is used for estimating the future climatic condition. Statistical DownScaling Model (SDSM) is applied in order to downscale the climate variables for the study area. The projected future climate variable shows significant increasing trend for both maximum and minimum temperature in A2a and B2a emission scenarios. The study reveal that the evaporation from the open water surface of Lake Hawassa will be expected to increase by 1.65 % and 2.65 % under A2a emission scenario in 2020s and 2050s respectively. The open water evaporation might rise by 1 % in 2020s and y 2.47 % in 2050s for B2a emission scenario respectively.

Keywords: Climate Change, Lake Evaporation, GCM, SDSM, Hawasa

Edition: Volume 3 Issue 8, August 2014,

Pages: 1605 - 1610

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