A new multiple return-period framework of flood regulation service—applied in Yangtze River basin

An ecosystem’s flood regulation service (EFRS) is important for alleviating flood risk. Both the EFRS and the relationship between EFRS supply and demand may change across flood return periods. However, most studies only considered the EFRS under a single flood return period. In this regard, a new f...

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Autores principales:	Ju Shen, Shiqiang Du, Qun Ma, Qingxu Huang, Jiahong Wen, Zhan'e Yin, Jun Gao
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Ecosystem services Hydrology Hydrodynamic model Flood risk Watershed management Urbanizing watersheds Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/15bd051ef9b344fb8baa709cffb204ef
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spelling	oai:doaj.org-article:15bd051ef9b344fb8baa709cffb204ef2021-12-01T04:46:16ZA new multiple return-period framework of flood regulation service—applied in Yangtze River basin1470-160X10.1016/j.ecolind.2021.107441https://doaj.org/article/15bd051ef9b344fb8baa709cffb204ef2021-06-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21001060https://doaj.org/toc/1470-160XAn ecosystem’s flood regulation service (EFRS) is important for alleviating flood risk. Both the EFRS and the relationship between EFRS supply and demand may change across flood return periods. However, most studies only considered the EFRS under a single flood return period. In this regard, a new framework is proposed that integrates multiple flood return periods to assess the expected annual EFRS supply and demand. It also considers the upstream EFRS supply flowing from the headwaters toward the downstream. A case study in the Yangtze River Basin, China, shows that the EFRS demand increases dramatically from 25- to 200-year return periods, while the EFRS supplies remain relatively constant. In terms of the expected annual EFRSs that integrate the four return-period EFRS demands and local supplies, 47 (or 43.12%) sub-basins are found to be unsatisfied (the demand is larger than the supply). This number could be reduced to 17 (or 15.60%) sub-basins if the upstream EFRS supply is considered in comparing the EFRS supply and demand, implying the importance of a catchment-wide EFRS management, particularly protecting the upstream forests, rivers and lakes, grasslands, as well as properly regulating the dams. The proposed framework could be readily applied in other basins and shed light on a comprehensive understanding and management of the EFRSs.Ju ShenShiqiang DuQun MaQingxu HuangJiahong WenZhan'e YinJun GaoElsevierarticleEcosystem servicesHydrologyHydrodynamic modelFlood riskWatershed managementUrbanizing watershedsEcologyQH540-549.5ENEcological Indicators, Vol 125, Iss , Pp 107441- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ecosystem services Hydrology Hydrodynamic model Flood risk Watershed management Urbanizing watersheds Ecology QH540-549.5
spellingShingle	Ecosystem services Hydrology Hydrodynamic model Flood risk Watershed management Urbanizing watersheds Ecology QH540-549.5 Ju Shen Shiqiang Du Qun Ma Qingxu Huang Jiahong Wen Zhan'e Yin Jun Gao A new multiple return-period framework of flood regulation service—applied in Yangtze River basin
description	An ecosystem’s flood regulation service (EFRS) is important for alleviating flood risk. Both the EFRS and the relationship between EFRS supply and demand may change across flood return periods. However, most studies only considered the EFRS under a single flood return period. In this regard, a new framework is proposed that integrates multiple flood return periods to assess the expected annual EFRS supply and demand. It also considers the upstream EFRS supply flowing from the headwaters toward the downstream. A case study in the Yangtze River Basin, China, shows that the EFRS demand increases dramatically from 25- to 200-year return periods, while the EFRS supplies remain relatively constant. In terms of the expected annual EFRSs that integrate the four return-period EFRS demands and local supplies, 47 (or 43.12%) sub-basins are found to be unsatisfied (the demand is larger than the supply). This number could be reduced to 17 (or 15.60%) sub-basins if the upstream EFRS supply is considered in comparing the EFRS supply and demand, implying the importance of a catchment-wide EFRS management, particularly protecting the upstream forests, rivers and lakes, grasslands, as well as properly regulating the dams. The proposed framework could be readily applied in other basins and shed light on a comprehensive understanding and management of the EFRSs.
format	article
author	Ju Shen Shiqiang Du Qun Ma Qingxu Huang Jiahong Wen Zhan'e Yin Jun Gao
author_facet	Ju Shen Shiqiang Du Qun Ma Qingxu Huang Jiahong Wen Zhan'e Yin Jun Gao
author_sort	Ju Shen
title	A new multiple return-period framework of flood regulation service—applied in Yangtze River basin
title_short	A new multiple return-period framework of flood regulation service—applied in Yangtze River basin
title_full	A new multiple return-period framework of flood regulation service—applied in Yangtze River basin
title_fullStr	A new multiple return-period framework of flood regulation service—applied in Yangtze River basin
title_full_unstemmed	A new multiple return-period framework of flood regulation service—applied in Yangtze River basin
title_sort	new multiple return-period framework of flood regulation service—applied in yangtze river basin
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/15bd051ef9b344fb8baa709cffb204ef
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A new multiple return-period framework of flood regulation service—applied in Yangtze River basin

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