WATER QUALITY ASSESSMENT OF TYPICAL DAM CONTROLLED URBAN SCENIC RIVERS IN GUANZHONG SECTION OF WEIHE RIVER BASIN BASED ON WQI AND TLI

WAN Junfang; GUO Xinchao; HU En; SUN Zhangshun

doi:10.13205/j.hjgc.202202011

Volume 40 Issue 2

Apr. 2022

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WAN Junfang, GUO Xinchao, HU En, SUN Zhangshun. WATER QUALITY ASSESSMENT OF TYPICAL DAM CONTROLLED URBAN SCENIC RIVERS IN GUANZHONG SECTION OF WEIHE RIVER BASIN BASED ON WQI AND TLI[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 66-70. doi: 10.13205/j.hjgc.202202011

Citation:

WAN Junfang, GUO Xinchao, HU En, SUN Zhangshun. WATER QUALITY ASSESSMENT OF TYPICAL DAM CONTROLLED URBAN SCENIC RIVERS IN GUANZHONG SECTION OF WEIHE RIVER BASIN BASED ON WQI AND TLI[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 66-70. doi: 10.13205/j.hjgc.202202011

Citation:

WAN Junfang, GUO Xinchao, HU En, SUN Zhangshun. WATER QUALITY ASSESSMENT OF TYPICAL DAM CONTROLLED URBAN SCENIC RIVERS IN GUANZHONG SECTION OF WEIHE RIVER BASIN BASED ON WQI AND TLI[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 66-70. doi: 10.13205/j.hjgc.202202011

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WATER QUALITY ASSESSMENT OF TYPICAL DAM CONTROLLED URBAN SCENIC RIVERS IN GUANZHONG SECTION OF WEIHE RIVER BASIN BASED ON WQI AND TLI

doi: 10.13205/j.hjgc.202202011

1. Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology,MOE, Environmental and Municipal Engineering Department, Xi’an University of Architecture and Technology, Xi’an 710055, China;
2. Shaanxi Provincial Academy of Environmental Science, Xi’an 710061, China

Received Date: 2021-04-30
Available Online: 2022-04-02
Publish Date: 2022-04-02

Abstract

Abstract

In order to understand the current situation of water quality of dam-controlled scenic river in urban area, four urban dam-controlled scenic rivers in Guanzhong section of Weihe River Basin were investigated in January, April, August and November, 2018. Based on the status of water quality index(WQI) and trophic level index(TLI), the water quality and eutrophication status of the four urban dam-controlled scenic rivers were evaluated. The results showed that the average value of WQI of the four urban dam-controlled scenic rivers was 47.65~56.18, and the water quality was generally classified as moderate to low; the average value of TLI was 61.50~66.42, and the nutritional status was classified as moderate eutrophication. There was a significant negative correlation between WQI and TLI(r=-0.771, P<0.001). Based on the evaluation results, the water quality of dam-controlled scenic river in Guanzhong section of Weihe River was relatively better and the nutrient level was lower in winter and spring; in summer and autumn, the water quality was lower and the nutrition level was higher.
- water quality index(WQI),
- trophic level index(TLI),
- the Guanzhong Basin of Weihe River,
- dam-controlled scenic river,
- water quality assessment

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References(33)

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