Evaluating the performances of gridded satellite/reanalysis products in representing the rainfall climatology of Ethiopia

Endeg Aniley; Temesgen Gashaw; Tesfalem Abraham; Sintayehu Fetene Demessie; Haimanote K. Bayabil; Abeyou W. Worqlul; Pieter van Oel; Yihun Dile; Abebe Chukalla; Amare Haileslassie; Gizachew B. Wubaye

doi:10.1080/10106049.2023.2278329

Evaluating the performances of gridded satellite/reanalysis products in representing the rainfall climatology of Ethiopia

Endeg Aniley, Temesgen Gashaw^*, Tesfalem Abraham, Sintayehu Fetene Demessie, Haimanote K. Bayabil, Abeyou W. Worqlul, Pieter van Oel, Yihun Dile, Abebe Chukalla, Amare Haileslassie, Gizachew B. Wubaye

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

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.

Original language	English
Article number	2278329
Journal	Geocarto International
Volume	38
Issue number	1
DOIs	https://doi.org/10.1080/10106049.2023.2278329
Publication status	Published - 31 Dec 2023

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Aniley, E., Gashaw, T., Abraham, T., Demessie, S. F., Bayabil, H. K., Worqlul, A. W., van Oel, P., Dile, Y., Chukalla, A., Haileslassie, A., & Wubaye, G. B. (2023). Evaluating the performances of gridded satellite/reanalysis products in representing the rainfall climatology of Ethiopia. Geocarto International, 38(1), Article 2278329 . https://doi.org/10.1080/10106049.2023.2278329

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title = "Evaluating the performances of gridded satellite/reanalysis products in representing the rainfall climatology of Ethiopia",

abstract = "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.",

author = "Endeg Aniley and Temesgen Gashaw and Tesfalem Abraham and Demessie, {Sintayehu Fetene} and Bayabil, {Haimanote K.} and Worqlul, {Abeyou W.} and {van Oel}, Pieter and Yihun Dile and Abebe Chukalla and Amare Haileslassie and Wubaye, {Gizachew B.}",

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doi = "10.1080/10106049.2023.2278329",

language = "English",

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AU - Aniley, Endeg

AU - Gashaw, Temesgen

AU - Abraham, Tesfalem

AU - Demessie, Sintayehu Fetene

AU - Bayabil, Haimanote K.

AU - Worqlul, Abeyou W.

AU - van Oel, Pieter

AU - Dile, Yihun

AU - Chukalla, Abebe

AU - Haileslassie, Amare

AU - Wubaye, Gizachew B.

PY - 2023/12/31

Y1 - 2023/12/31

N2 - 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.

AB - 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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DO - 10.1080/10106049.2023.2278329

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JF - Geocarto International

IS - 1

M1 - 2278329

ER -

Evaluating the performances of gridded satellite/reanalysis products in representing the rainfall climatology of Ethiopia

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