Study on the Impact of Land-Use Change on Runoff Variation Trend in Luojiang River Basin, China

To reveal the influence process of land use changes on runoff variation trends, this paper takes the Luojiang River of China as the study area, and the Soil and Water Assessment Tool (SWAT) model was constructed to quantitatively analyze the impact of different land uses on runoff formation in the w...

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Autores principales:	Ji He, Yu-Rong Wan, Hai-Tao Chen, Wen-Chuan Wang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Mann-Kendall SWAT model CA-Markov model land use runoff simulation Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/95d9a106087f4a918160f190a615df05
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id	oai:doaj.org-article:95d9a106087f4a918160f190a615df05
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spelling	oai:doaj.org-article:95d9a106087f4a918160f190a615df052021-11-25T19:16:22ZStudy on the Impact of Land-Use Change on Runoff Variation Trend in Luojiang River Basin, China10.3390/w132232822073-4441https://doaj.org/article/95d9a106087f4a918160f190a615df052021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/22/3282https://doaj.org/toc/2073-4441To reveal the influence process of land use changes on runoff variation trends, this paper takes the Luojiang River of China as the study area, and the Soil and Water Assessment Tool (SWAT) model was constructed to quantitatively analyze the impact of different land uses on runoff formation in the watershed, and used the Cellular Automata-Markov (CA-Markov) model to predict future land use scenarios and runoff change trends. The results show that: (1) the SWAT model can simulate the runoff in the Luojiang River basin; (2) the runoff in the Luojiang River basin has a decreasing trend in recent 10 years, caused by the decrease of rainfall and runoff due to changes in land use; (3) the forecast shows that the land-use changes in the basin will lead to an increase in runoff coefficient in 2025. The increase of the runoff coefficient will bring some adverse effects, and relevant measures should be taken to increase the water storage capacity of urban areas. This study can help plan future management strategies for the study area land coverage and put forward a preventive plan for the possible adverse situation of runoff variation.Ji HeYu-Rong WanHai-Tao ChenWen-Chuan WangMDPI AGarticleMann-KendallSWAT modelCA-Markov modelland userunoff simulationHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3282, p 3282 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Mann-Kendall SWAT model CA-Markov model land use runoff simulation Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	Mann-Kendall SWAT model CA-Markov model land use runoff simulation Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Ji He Yu-Rong Wan Hai-Tao Chen Wen-Chuan Wang Study on the Impact of Land-Use Change on Runoff Variation Trend in Luojiang River Basin, China
description	To reveal the influence process of land use changes on runoff variation trends, this paper takes the Luojiang River of China as the study area, and the Soil and Water Assessment Tool (SWAT) model was constructed to quantitatively analyze the impact of different land uses on runoff formation in the watershed, and used the Cellular Automata-Markov (CA-Markov) model to predict future land use scenarios and runoff change trends. The results show that: (1) the SWAT model can simulate the runoff in the Luojiang River basin; (2) the runoff in the Luojiang River basin has a decreasing trend in recent 10 years, caused by the decrease of rainfall and runoff due to changes in land use; (3) the forecast shows that the land-use changes in the basin will lead to an increase in runoff coefficient in 2025. The increase of the runoff coefficient will bring some adverse effects, and relevant measures should be taken to increase the water storage capacity of urban areas. This study can help plan future management strategies for the study area land coverage and put forward a preventive plan for the possible adverse situation of runoff variation.
format	article
author	Ji He Yu-Rong Wan Hai-Tao Chen Wen-Chuan Wang
author_facet	Ji He Yu-Rong Wan Hai-Tao Chen Wen-Chuan Wang
author_sort	Ji He
title	Study on the Impact of Land-Use Change on Runoff Variation Trend in Luojiang River Basin, China
title_short	Study on the Impact of Land-Use Change on Runoff Variation Trend in Luojiang River Basin, China
title_full	Study on the Impact of Land-Use Change on Runoff Variation Trend in Luojiang River Basin, China
title_fullStr	Study on the Impact of Land-Use Change on Runoff Variation Trend in Luojiang River Basin, China
title_full_unstemmed	Study on the Impact of Land-Use Change on Runoff Variation Trend in Luojiang River Basin, China
title_sort	study on the impact of land-use change on runoff variation trend in luojiang river basin, china
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/95d9a106087f4a918160f190a615df05
work_keys_str_mv	AT jihe studyontheimpactoflandusechangeonrunoffvariationtrendinluojiangriverbasinchina AT yurongwan studyontheimpactoflandusechangeonrunoffvariationtrendinluojiangriverbasinchina AT haitaochen studyontheimpactoflandusechangeonrunoffvariationtrendinluojiangriverbasinchina AT wenchuanwang studyontheimpactoflandusechangeonrunoffvariationtrendinluojiangriverbasinchina
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Study on the Impact of Land-Use Change on Runoff Variation Trend in Luojiang River Basin, China

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