Water quality assessment of Middle Route of South-North Water Diversion Project based on modified Nemerow index method

It is of great significance to find a scientific way to assess the water quality of the Middle Route of the South-North Water Diversion Project. In this paper, the spatio-temporal changes of the 26 water quality indicators in eight key monitoring stations along the Middle Route since the project was...

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Autores principales:	Yilin Yang, Dawei Zhang, Jin Quan, Pengwen Wang, Yi Xu
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	nemerow index south-north water diversion project water quality assessment water quality index Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
Acceso en línea:	https://doaj.org/article/e93ac2427aa24e2d93182411ff8d96d3
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spelling	oai:doaj.org-article:e93ac2427aa24e2d93182411ff8d96d32021-11-06T07:12:06ZWater quality assessment of Middle Route of South-North Water Diversion Project based on modified Nemerow index method1606-97491607-079810.2166/ws.2021.006https://doaj.org/article/e93ac2427aa24e2d93182411ff8d96d32021-05-01T00:00:00Zhttp://ws.iwaponline.com/content/21/3/1005https://doaj.org/toc/1606-9749https://doaj.org/toc/1607-0798It is of great significance to find a scientific way to assess the water quality of the Middle Route of the South-North Water Diversion Project. In this paper, the spatio-temporal changes of the 26 water quality indicators in eight key monitoring stations along the Middle Route since the project was put into use were analyzed, and the modified Nemerow index method was employed to assess the water quality of the route in its early stage of operation. The results show that the water quality remained good in the period of study. Important water quality indicators were identified, including temperature, permanganate index, dissolved oxygen, total phosphorus, total nitrogen, mercury content, and density of planktonic algae. It is advised that potential ecological risks related to algae and shellfish reproduction in the open canal deserve special attention. HIGHLIGHTS The water quality of the MR-SNWTP since the operation was analyzed.; The modified Nemerow index method was applied to the South-North Water Diversion Project.; The performance of the single factor method and the modified Nemerow index method was compared.; The water quality indicators that deserve special attention were pointed out.; The suggestion of strengthening monitoring of potential risks posed by algae was put forward.;Yilin YangDawei ZhangJin QuanPengwen WangYi XuIWA Publishingarticlenemerow indexsouth-north water diversion projectwater quality assessmentwater quality indexWater supply for domestic and industrial purposesTD201-500River, lake, and water-supply engineering (General)TC401-506ENWater Supply, Vol 21, Iss 3, Pp 1005-1015 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	nemerow index south-north water diversion project water quality assessment water quality index Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
spellingShingle	nemerow index south-north water diversion project water quality assessment water quality index Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506 Yilin Yang Dawei Zhang Jin Quan Pengwen Wang Yi Xu Water quality assessment of Middle Route of South-North Water Diversion Project based on modified Nemerow index method
description	It is of great significance to find a scientific way to assess the water quality of the Middle Route of the South-North Water Diversion Project. In this paper, the spatio-temporal changes of the 26 water quality indicators in eight key monitoring stations along the Middle Route since the project was put into use were analyzed, and the modified Nemerow index method was employed to assess the water quality of the route in its early stage of operation. The results show that the water quality remained good in the period of study. Important water quality indicators were identified, including temperature, permanganate index, dissolved oxygen, total phosphorus, total nitrogen, mercury content, and density of planktonic algae. It is advised that potential ecological risks related to algae and shellfish reproduction in the open canal deserve special attention. HIGHLIGHTS The water quality of the MR-SNWTP since the operation was analyzed.; The modified Nemerow index method was applied to the South-North Water Diversion Project.; The performance of the single factor method and the modified Nemerow index method was compared.; The water quality indicators that deserve special attention were pointed out.; The suggestion of strengthening monitoring of potential risks posed by algae was put forward.;
format	article
author	Yilin Yang Dawei Zhang Jin Quan Pengwen Wang Yi Xu
author_facet	Yilin Yang Dawei Zhang Jin Quan Pengwen Wang Yi Xu
author_sort	Yilin Yang
title	Water quality assessment of Middle Route of South-North Water Diversion Project based on modified Nemerow index method
title_short	Water quality assessment of Middle Route of South-North Water Diversion Project based on modified Nemerow index method
title_full	Water quality assessment of Middle Route of South-North Water Diversion Project based on modified Nemerow index method
title_fullStr	Water quality assessment of Middle Route of South-North Water Diversion Project based on modified Nemerow index method
title_full_unstemmed	Water quality assessment of Middle Route of South-North Water Diversion Project based on modified Nemerow index method
title_sort	water quality assessment of middle route of south-north water diversion project based on modified nemerow index method
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/e93ac2427aa24e2d93182411ff8d96d3
work_keys_str_mv	AT yilinyang waterqualityassessmentofmiddlerouteofsouthnorthwaterdiversionprojectbasedonmodifiednemerowindexmethod AT daweizhang waterqualityassessmentofmiddlerouteofsouthnorthwaterdiversionprojectbasedonmodifiednemerowindexmethod AT jinquan waterqualityassessmentofmiddlerouteofsouthnorthwaterdiversionprojectbasedonmodifiednemerowindexmethod AT pengwenwang waterqualityassessmentofmiddlerouteofsouthnorthwaterdiversionprojectbasedonmodifiednemerowindexmethod AT yixu waterqualityassessmentofmiddlerouteofsouthnorthwaterdiversionprojectbasedonmodifiednemerowindexmethod
_version_	1718443828667482112

Water quality assessment of Middle Route of South-North Water Diversion Project based on modified Nemerow index method

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