Quantitative Assessment of Hydrological Alteration Caused by Irrigation Projects in the Tarim River basin, China

Abstract The Tarim River is the longest inland river at an arid area in China. Deterioration in its ecohydrological system has received much attention world widely. This study presents quantitative assessment of hydrological alterations in the hydrological regime of the Tarim River caused by reservo...

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Autores principales:	Lianqing Xue, Hui Zhang, Changbing Yang, Luochen Zhang, Chao Sun
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/44b06ebbcc8449f2bc7d3b0a503a3623
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spelling	oai:doaj.org-article:44b06ebbcc8449f2bc7d3b0a503a36232021-12-02T11:53:06ZQuantitative Assessment of Hydrological Alteration Caused by Irrigation Projects in the Tarim River basin, China10.1038/s41598-017-04583-y2045-2322https://doaj.org/article/44b06ebbcc8449f2bc7d3b0a503a36232017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04583-yhttps://doaj.org/toc/2045-2322Abstract The Tarim River is the longest inland river at an arid area in China. Deterioration in its ecohydrological system has received much attention world widely. This study presents quantitative assessment of hydrological alterations in the hydrological regime of the Tarim River caused by reservoir irrigation and channel irrigation over a period of over a half century. The improved indicators of hydrologic alteration and range of variability approach were applied to the daily flow rates at the two representative hydrological stations. Our study shows that the annual extreme water conditions (1-, 3-, 7-day annual minimum and extreme low timing) have been altered, compared with the pre-impact period. The average flow rate in July, the 30-day annual maximum flow rates, the date for the maximum rate, the rise rate, and the fall rate show a significant decreasing trend. The improved overall degree of hydrological alteration for the two stations are approximately 68.7% and 61.8%, suggesting a high degree of alteration. This study greatly improved our understanding of impacts of irrigations on the ecohydrological characteristics in the Tarim River.Lianqing XueHui ZhangChangbing YangLuochen ZhangChao SunNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Lianqing Xue Hui Zhang Changbing Yang Luochen Zhang Chao Sun Quantitative Assessment of Hydrological Alteration Caused by Irrigation Projects in the Tarim River basin, China
description	Abstract The Tarim River is the longest inland river at an arid area in China. Deterioration in its ecohydrological system has received much attention world widely. This study presents quantitative assessment of hydrological alterations in the hydrological regime of the Tarim River caused by reservoir irrigation and channel irrigation over a period of over a half century. The improved indicators of hydrologic alteration and range of variability approach were applied to the daily flow rates at the two representative hydrological stations. Our study shows that the annual extreme water conditions (1-, 3-, 7-day annual minimum and extreme low timing) have been altered, compared with the pre-impact period. The average flow rate in July, the 30-day annual maximum flow rates, the date for the maximum rate, the rise rate, and the fall rate show a significant decreasing trend. The improved overall degree of hydrological alteration for the two stations are approximately 68.7% and 61.8%, suggesting a high degree of alteration. This study greatly improved our understanding of impacts of irrigations on the ecohydrological characteristics in the Tarim River.
format	article
author	Lianqing Xue Hui Zhang Changbing Yang Luochen Zhang Chao Sun
author_facet	Lianqing Xue Hui Zhang Changbing Yang Luochen Zhang Chao Sun
author_sort	Lianqing Xue
title	Quantitative Assessment of Hydrological Alteration Caused by Irrigation Projects in the Tarim River basin, China
title_short	Quantitative Assessment of Hydrological Alteration Caused by Irrigation Projects in the Tarim River basin, China
title_full	Quantitative Assessment of Hydrological Alteration Caused by Irrigation Projects in the Tarim River basin, China
title_fullStr	Quantitative Assessment of Hydrological Alteration Caused by Irrigation Projects in the Tarim River basin, China
title_full_unstemmed	Quantitative Assessment of Hydrological Alteration Caused by Irrigation Projects in the Tarim River basin, China
title_sort	quantitative assessment of hydrological alteration caused by irrigation projects in the tarim river basin, china
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/44b06ebbcc8449f2bc7d3b0a503a3623
work_keys_str_mv	AT lianqingxue quantitativeassessmentofhydrologicalalterationcausedbyirrigationprojectsinthetarimriverbasinchina AT huizhang quantitativeassessmentofhydrologicalalterationcausedbyirrigationprojectsinthetarimriverbasinchina AT changbingyang quantitativeassessmentofhydrologicalalterationcausedbyirrigationprojectsinthetarimriverbasinchina AT luochenzhang quantitativeassessmentofhydrologicalalterationcausedbyirrigationprojectsinthetarimriverbasinchina AT chaosun quantitativeassessmentofhydrologicalalterationcausedbyirrigationprojectsinthetarimriverbasinchina
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Quantitative Assessment of Hydrological Alteration Caused by Irrigation Projects in the Tarim River basin, China

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