Linking climate change to soil loss estimation in the Kosi river basin, India

This study assessed the spatio-temporal variability of soil loss based on rainfall–runoff erosivity in the context of climate change in the Kosi river basin. The observed rainfall data (1985–2017) were used for past and present analyses, and the projected rainfall data (2020–2100) interpolated for v...

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Autores principales:	Aadil Towheed, Thendiyath Roshni
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	climate change crop management kosi river basin rainfall–runoff erosivity soil erosion Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/f0dd4cf8a46f4303b1cf0e8d722eaf62
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spelling	oai:doaj.org-article:f0dd4cf8a46f4303b1cf0e8d722eaf622021-11-05T19:07:26ZLinking climate change to soil loss estimation in the Kosi river basin, India2040-22442408-935410.2166/wcc.2021.259https://doaj.org/article/f0dd4cf8a46f4303b1cf0e8d722eaf622021-09-01T00:00:00Zhttp://jwcc.iwaponline.com/content/12/6/2338https://doaj.org/toc/2040-2244https://doaj.org/toc/2408-9354This study assessed the spatio-temporal variability of soil loss based on rainfall–runoff erosivity in the context of climate change in the Kosi river basin. The observed rainfall data (1985–2017) were used for past and present analyses, and the projected rainfall data (2020–2100) interpolated for various general circulation models (GCMs) were used for future analysis. The results of rainfall analysis for the projected period show a maximum percentage variation of 26.2% for a particular GCM and an average of 9.4% increase in the rainfall data from all selected GCMs considering three representative concentration pathways (RCPs). We also evaluated the implications of change in the soil loss due to changes in the rainfall pattern and crop management factor for three time slices. The results for the projected time period showed a concomitant increase in the average soil loss of −13.03–10.39% with respect to the baseline. The average soil loss results for the time period of 2020–2100 are also compared with the average soil loss for each RCP scenario and found very meager changes in the area of soil erosion. The results due to climate change aid in prioritizing the areas with suitable conservation support practices. HIGHLIGHTS To analyze the rainfall pattern using the past, present and projected data.; To understand the relationship between soil loss and rainfall due to the impact of climate change.; To analyze the effect of change in crop cover over soil loss due to climate change.;Aadil TowheedThendiyath RoshniIWA Publishingarticleclimate changecrop managementkosi river basinrainfall–runoff erosivitysoil erosionEnvironmental technology. Sanitary engineeringTD1-1066Environmental sciencesGE1-350ENJournal of Water and Climate Change, Vol 12, Iss 6, Pp 2338-2363 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	climate change crop management kosi river basin rainfall–runoff erosivity soil erosion Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
spellingShingle	climate change crop management kosi river basin rainfall–runoff erosivity soil erosion Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Aadil Towheed Thendiyath Roshni Linking climate change to soil loss estimation in the Kosi river basin, India
description	This study assessed the spatio-temporal variability of soil loss based on rainfall–runoff erosivity in the context of climate change in the Kosi river basin. The observed rainfall data (1985–2017) were used for past and present analyses, and the projected rainfall data (2020–2100) interpolated for various general circulation models (GCMs) were used for future analysis. The results of rainfall analysis for the projected period show a maximum percentage variation of 26.2% for a particular GCM and an average of 9.4% increase in the rainfall data from all selected GCMs considering three representative concentration pathways (RCPs). We also evaluated the implications of change in the soil loss due to changes in the rainfall pattern and crop management factor for three time slices. The results for the projected time period showed a concomitant increase in the average soil loss of −13.03–10.39% with respect to the baseline. The average soil loss results for the time period of 2020–2100 are also compared with the average soil loss for each RCP scenario and found very meager changes in the area of soil erosion. The results due to climate change aid in prioritizing the areas with suitable conservation support practices. HIGHLIGHTS To analyze the rainfall pattern using the past, present and projected data.; To understand the relationship between soil loss and rainfall due to the impact of climate change.; To analyze the effect of change in crop cover over soil loss due to climate change.;
format	article
author	Aadil Towheed Thendiyath Roshni
author_facet	Aadil Towheed Thendiyath Roshni
author_sort	Aadil Towheed
title	Linking climate change to soil loss estimation in the Kosi river basin, India
title_short	Linking climate change to soil loss estimation in the Kosi river basin, India
title_full	Linking climate change to soil loss estimation in the Kosi river basin, India
title_fullStr	Linking climate change to soil loss estimation in the Kosi river basin, India
title_full_unstemmed	Linking climate change to soil loss estimation in the Kosi river basin, India
title_sort	linking climate change to soil loss estimation in the kosi river basin, india
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/f0dd4cf8a46f4303b1cf0e8d722eaf62
work_keys_str_mv	AT aadiltowheed linkingclimatechangetosoillossestimationinthekosiriverbasinindia AT thendiyathroshni linkingclimatechangetosoillossestimationinthekosiriverbasinindia
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Linking climate change to soil loss estimation in the Kosi river basin, India

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