Relative Contribution of Climate Change and Anthropogenic Activities to Streamflow Alterations in Illinois

Rainfed agricultural systems have become more vulnerable to climate change due to their significant dependence on natural precipitation. Drastic changes in precipitation, superimposed with anthropogenic activities, including land use land cover change, can modify the hydrologic response, especially...

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Autores principales:	Manas Khan, Vaskar Dahal, Hanseok Jeong, Momcilo Markus, Rabin Bhattarai
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Budyko CUMSUM climate change fisher information regime shifts Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/cdbb5793e7dd4b59ad1099f388984bc5
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spelling	oai:doaj.org-article:cdbb5793e7dd4b59ad1099f388984bc52021-11-25T19:15:43ZRelative Contribution of Climate Change and Anthropogenic Activities to Streamflow Alterations in Illinois10.3390/w132232262073-4441https://doaj.org/article/cdbb5793e7dd4b59ad1099f388984bc52021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/22/3226https://doaj.org/toc/2073-4441Rainfed agricultural systems have become more vulnerable to climate change due to their significant dependence on natural precipitation. Drastic changes in precipitation, superimposed with anthropogenic activities, including land use land cover change, can modify the hydrologic response, especially in agricultural watersheds. In this study, Fisher Information and cumulative sum charts (CUMSUM) methods were applied to detect the hydrologic regime shifts in six watersheds in Illinois, USA. The regime shift analysis identified shifts in streamflow regime in three agricultural watersheds, mainly around the 1970s; whereas, no significant change in streamflow was observed for forest-dominated watersheds. Furthermore, the Budyko framework was used to determine the relative contribution in streamflow alterations (i.e., regime shifts in streamflow) for the agricultural watersheds, which evidenced significant shifts in streamflow. The Budyko analysis inferred that alterations in streamflow could be primarily attributed to anthropogenic activities with a comparatively lower contribution from climate in agricultural watersheds. The relative contribution from anthropogenic activities were 71.66%, 81.46%, and 74.04%; whereas, the relative contribution from climate were 28.34%, 18.54%, and 25.96% for the Sangamon, Vermillion, and Skillet agricultural watersheds, respectively. The techniques used and the results obtained from the study would be helpful for future research in assessing the vulnerability and impact of management practices in a highly managed agricultural watershed.Manas KhanVaskar DahalHanseok JeongMomcilo MarkusRabin BhattaraiMDPI AGarticleBudykoCUMSUMclimate changefisher informationregime shiftsHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3226, p 3226 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Budyko CUMSUM climate change fisher information regime shifts Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	Budyko CUMSUM climate change fisher information regime shifts Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Manas Khan Vaskar Dahal Hanseok Jeong Momcilo Markus Rabin Bhattarai Relative Contribution of Climate Change and Anthropogenic Activities to Streamflow Alterations in Illinois
description	Rainfed agricultural systems have become more vulnerable to climate change due to their significant dependence on natural precipitation. Drastic changes in precipitation, superimposed with anthropogenic activities, including land use land cover change, can modify the hydrologic response, especially in agricultural watersheds. In this study, Fisher Information and cumulative sum charts (CUMSUM) methods were applied to detect the hydrologic regime shifts in six watersheds in Illinois, USA. The regime shift analysis identified shifts in streamflow regime in three agricultural watersheds, mainly around the 1970s; whereas, no significant change in streamflow was observed for forest-dominated watersheds. Furthermore, the Budyko framework was used to determine the relative contribution in streamflow alterations (i.e., regime shifts in streamflow) for the agricultural watersheds, which evidenced significant shifts in streamflow. The Budyko analysis inferred that alterations in streamflow could be primarily attributed to anthropogenic activities with a comparatively lower contribution from climate in agricultural watersheds. The relative contribution from anthropogenic activities were 71.66%, 81.46%, and 74.04%; whereas, the relative contribution from climate were 28.34%, 18.54%, and 25.96% for the Sangamon, Vermillion, and Skillet agricultural watersheds, respectively. The techniques used and the results obtained from the study would be helpful for future research in assessing the vulnerability and impact of management practices in a highly managed agricultural watershed.
format	article
author	Manas Khan Vaskar Dahal Hanseok Jeong Momcilo Markus Rabin Bhattarai
author_facet	Manas Khan Vaskar Dahal Hanseok Jeong Momcilo Markus Rabin Bhattarai
author_sort	Manas Khan
title	Relative Contribution of Climate Change and Anthropogenic Activities to Streamflow Alterations in Illinois
title_short	Relative Contribution of Climate Change and Anthropogenic Activities to Streamflow Alterations in Illinois
title_full	Relative Contribution of Climate Change and Anthropogenic Activities to Streamflow Alterations in Illinois
title_fullStr	Relative Contribution of Climate Change and Anthropogenic Activities to Streamflow Alterations in Illinois
title_full_unstemmed	Relative Contribution of Climate Change and Anthropogenic Activities to Streamflow Alterations in Illinois
title_sort	relative contribution of climate change and anthropogenic activities to streamflow alterations in illinois
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/cdbb5793e7dd4b59ad1099f388984bc5
work_keys_str_mv	AT manaskhan relativecontributionofclimatechangeandanthropogenicactivitiestostreamflowalterationsinillinois AT vaskardahal relativecontributionofclimatechangeandanthropogenicactivitiestostreamflowalterationsinillinois AT hanseokjeong relativecontributionofclimatechangeandanthropogenicactivitiestostreamflowalterationsinillinois AT momcilomarkus relativecontributionofclimatechangeandanthropogenicactivitiestostreamflowalterationsinillinois AT rabinbhattarai relativecontributionofclimatechangeandanthropogenicactivitiestostreamflowalterationsinillinois
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Relative Contribution of Climate Change and Anthropogenic Activities to Streamflow Alterations in Illinois

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