Spatiotemporal climate variability and meteorological drought characterization in Ethiopia
Increasing drought patterns with profound effects on livelihoods and food security have been documented in Ethiopia. From previous studies', assessments at various timescales, Ethiopia is regarded as a drought-prone country in East Africa. However, there is no documentation available. This pape...
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| Hauptverfasser: | , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
13 Aug 2022
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| In: |
Geomatics, natural hazards and risk
Year: 2022, Jahrgang: 13, Heft: 1, Pages: 2049-2085 |
| ISSN: | 1947-5713 |
| DOI: | 10.1080/19475705.2022.2106159 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1080/19475705.2022.2106159 Verlag, kostenfrei, Volltext: https://www.tandfonline.com/doi/full/10.1080/19475705.2022.2106159 
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| Verfasserangaben: | Jean Moussa Kourouma, Emmanuel Eze, Goitom Kelem, Emnet Negash, Darius Phiri, Royd Vinya, Atkilt Girma and Amanuel Zenebe |
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| 245 | 1 | 0 | |a Spatiotemporal climate variability and meteorological drought characterization in Ethiopia |c Jean Moussa Kourouma, Emmanuel Eze, Goitom Kelem, Emnet Negash, Darius Phiri, Royd Vinya, Atkilt Girma and Amanuel Zenebe |
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| 520 | |a Increasing drought patterns with profound effects on livelihoods and food security have been documented in Ethiopia. From previous studies', assessments at various timescales, Ethiopia is regarded as a drought-prone country in East Africa. However, there is no documentation available. This paper investigates the spatiotemporal patterns of drought characteristics in 16 woredas (districts) as well as in the 14 homogeneous rainfall zones of homogeneous using monthly rainfall and temperature data over the period 1983 to 2020. The Standardized Precipitation Index (SPI) and Standardized Precipitation Evapotranspiration Index (SPEI) were computed using time-series meteorological data to depict the spatial extent of drought characteristics and patterns at 4- and 12-month timescales. Within the period investigated, 12-month, 2015, and 2019 recorded the most extreme countrywide drought. The most prolonged drought duration lasted for 12 months in 2015. Although Ethiopia is a drought-prone country, the frequency, magnitude, and severity vary spatially by region. In planning for future actions, particular emphasis must be paid to the northeastern, eastern, northwestern, and southeastern parts of the country, which are more vulnerable. The findings could potentially influence and redirect national drought management and disaster preparedness programs for the affected areas. | ||
| 650 | 4 | |a Ethiopia | |
| 650 | 4 | |a Meteorological drought | |
| 650 | 4 | |a Potential Evapotranspiration (PET) | |
| 650 | 4 | |a Standardized Precipitation Evapotranspiration Index (SPEI) | |
| 650 | 4 | |a Standardized Precipitation Index (SPI) | |
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| 700 | 1 | |a Kelem, Goitom |e VerfasserIn |4 aut | |
| 700 | 1 | |a Negash, Emnet |e VerfasserIn |4 aut | |
| 700 | 1 | |a Phiri, Darius |e VerfasserIn |4 aut | |
| 700 | 1 | |a Vinya, Royd |e VerfasserIn |4 aut | |
| 700 | 1 | |a Girma, Atkilt |e VerfasserIn |4 aut | |
| 700 | 1 | |a Zenebe, Amanuel |e VerfasserIn |4 aut | |
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