Rainfall Variability and Trends over Central Ethiopia

Wagaye Bahiru Abegaz and Antensay Mekoya
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Wagaye Bahiru Abegaz: National Meteorology Agency of Ethiopia, East Amhara Meteorological Service Center, Ethiopia
Antensay Mekoya: Ethiopia Environment and Forest Research Institute, Bahir Dar Environment and Forest Research Center, Ethiopia

International Journal of Environmental Sciences & Natural Resources, 2020, vol. 24, issue 4, 132-144

Abstract: The rainfall variability and trends over North Shewa investigated using gauge as well as gridded rainfall data from 1985 to 2018. The variability of rainfall in both annual and seasonal scales were evaluated using coefficient of variation (CV), standardized rainfall anomaly, precipitation concentration index (PCI), and standardized precipitation index. Mann-Kendall test and Sen’s slope estimator were used to assess the rainfall trends. The rainfall in North Shewa was found to be highly variable both in space and time; i.e., irregular rainfall distribution was observed (PCI = 20%).

Keywords: earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals; juniper publishers reivew (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:adp:ijesnr:v:24:y:2020:i:4:p:132-144

DOI: 10.19080/IJESNR.2020.24.556144

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