Journal
GEOCARTO INTERNATIONAL
Volume 38, Issue 1, Pages -Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10106049.2023.2278329
Keywords
CHIRPS v2.0; MSWEP v2.8; rainfall products
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This study evaluated the performance of CHIRPS and MSWEP precipitation products in different agro-ecological zones of Ethiopia, and found that CHIRPS performed better in estimating rainfall totals at different temporal scales, while MSWEP showed superior performance in detecting daily rainfall occurrences.
This study evaluated performances of the Climate Hazard Group Infrared Precipitation with stations version 2.0 (CHIRPS v2.0) and Multi-Source Weighted-Ensemble Precipitation version 2.8 (MSWEP v2.8) products against observed data. Rainfall climatology was simulated for different agro-ecological zones (AEZs) of Ethiopia during 1991-2020 at different temporal scales. Performance evaluations were made using continuous and statistical performance measures as well as Probability Density Function (PDF). CHIRPS v2.0 for estimating monthly, seasonal, and annual rainfall totals, and MSWEP v2.8 for daily rainfall have shown better performance over all AEZs. The two products display comparable performance for detecting daily rainfall occurrences over alpine AEZ, but MSWEP v2.8 is superior in the rest four AEZs. CHIRPS v2.0 outperforms MSWEP v2.8 for detecting most of the daily rainfall intensity classes over all AEZs. The findings will play a noteworthy role to improve the quality of hydro-climate studies in Ethiopia.
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