Assessing the Impact of Spatio-temporal Drought Regimes Using Timescale Standardized Precipitation Index in Malawi

This study assessed the temporal and spatial drought regimes in Kasungu Agricultural Development Division from 1977 to 2017. The previous studies in Malawi only used the Percentile Index such that other indices including the timescale standardized precipitation index were not considered for drought...

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Autores principales:	Isaac Chitedze, Sylvester R. Chikabvumbwa
Formato:	article
Lenguaje:	EN
Publicado:	SDEWES Centre 2021
Materias:	kasungu standardized precipitation index disaster risk management sustainable water resources drought agricultural development division. Technology T Economic growth, development, planning HD72-88
Acceso en línea:	https://doaj.org/article/a4838ff5bf98401db3271c8cf17b5d13
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spelling	oai:doaj.org-article:a4838ff5bf98401db3271c8cf17b5d132021-11-20T09:32:58ZAssessing the Impact of Spatio-temporal Drought Regimes Using Timescale Standardized Precipitation Index in Malawi1848-925710.13044/j.sdewes.d8.0341https://doaj.org/article/a4838ff5bf98401db3271c8cf17b5d132021-12-01T00:00:00Z http://www.sdewes.org/jsdewes/pid8.0341 https://doaj.org/toc/1848-9257This study assessed the temporal and spatial drought regimes in Kasungu Agricultural Development Division from 1977 to 2017. The previous studies in Malawi only used the Percentile Index such that other indices including the timescale standardized precipitation index were not considered for drought analysis. This study bridged this gap by using 3-month and 6-month Standardized Precipitation Indices in Drought Monitoring and Prediction software. This study found that the rainfall patterns are highly variable with decreasing trends as determined by high coefficient of variation values (> 0.5). These variations have subjected the region to frequent mild and moderate meteorological droughts. Based on driest years, the respective maximum drought severities were 5,358 in 1994, 3,638 in 1999, 3,492 in 2005 and 3,112 in 2015. Results suggest that drought severity is highly correlated to the rainfall variations in the corresponding districts. This study recommends usage of timescale indices to aid drought monitoring.Isaac ChitedzeSylvester R. ChikabvumbwaSDEWES Centrearticlekasungustandardized precipitation indexdisaster risk managementsustainable water resourcesdroughtagricultural development division.TechnologyTEconomic growth, development, planningHD72-88ENJournal of Sustainable Development of Energy, Water and Environment Systems, Vol 9, Iss 4, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	kasungu standardized precipitation index disaster risk management sustainable water resources drought agricultural development division. Technology T Economic growth, development, planning HD72-88
spellingShingle	kasungu standardized precipitation index disaster risk management sustainable water resources drought agricultural development division. Technology T Economic growth, development, planning HD72-88 Isaac Chitedze Sylvester R. Chikabvumbwa Assessing the Impact of Spatio-temporal Drought Regimes Using Timescale Standardized Precipitation Index in Malawi
description	This study assessed the temporal and spatial drought regimes in Kasungu Agricultural Development Division from 1977 to 2017. The previous studies in Malawi only used the Percentile Index such that other indices including the timescale standardized precipitation index were not considered for drought analysis. This study bridged this gap by using 3-month and 6-month Standardized Precipitation Indices in Drought Monitoring and Prediction software. This study found that the rainfall patterns are highly variable with decreasing trends as determined by high coefficient of variation values (> 0.5). These variations have subjected the region to frequent mild and moderate meteorological droughts. Based on driest years, the respective maximum drought severities were 5,358 in 1994, 3,638 in 1999, 3,492 in 2005 and 3,112 in 2015. Results suggest that drought severity is highly correlated to the rainfall variations in the corresponding districts. This study recommends usage of timescale indices to aid drought monitoring.
format	article
author	Isaac Chitedze Sylvester R. Chikabvumbwa
author_facet	Isaac Chitedze Sylvester R. Chikabvumbwa
author_sort	Isaac Chitedze
title	Assessing the Impact of Spatio-temporal Drought Regimes Using Timescale Standardized Precipitation Index in Malawi
title_short	Assessing the Impact of Spatio-temporal Drought Regimes Using Timescale Standardized Precipitation Index in Malawi
title_full	Assessing the Impact of Spatio-temporal Drought Regimes Using Timescale Standardized Precipitation Index in Malawi
title_fullStr	Assessing the Impact of Spatio-temporal Drought Regimes Using Timescale Standardized Precipitation Index in Malawi
title_full_unstemmed	Assessing the Impact of Spatio-temporal Drought Regimes Using Timescale Standardized Precipitation Index in Malawi
title_sort	assessing the impact of spatio-temporal drought regimes using timescale standardized precipitation index in malawi
publisher	SDEWES Centre
publishDate	2021
url	https://doaj.org/article/a4838ff5bf98401db3271c8cf17b5d13
work_keys_str_mv	AT isaacchitedze assessingtheimpactofspatiotemporaldroughtregimesusingtimescalestandardizedprecipitationindexinmalawi AT sylvesterrchikabvumbwa assessingtheimpactofspatiotemporaldroughtregimesusingtimescalestandardizedprecipitationindexinmalawi
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Assessing the Impact of Spatio-temporal Drought Regimes Using Timescale Standardized Precipitation Index in Malawi

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