SPATIAL AND TEMPORAL DISTRIBUTION CHARACTERISTICS AND POLLUTION SOURCE EVALUATION OF WATER QUALITY IN THE HUANGZHOUHE RIVER BASIN, GUIZHOU

WANG Xin-wen; LIU Zi-qi; GUO Qiong-qiong; LI Yuan; LI Kai-ping; ZHANG Chen-yue

doi:10.13205/j.hjgc.202109011

Volume 39 Issue 9

Jan. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(9): 69-75

WANG Xin-wen, LIU Zi-qi, GUO Qiong-qiong, LI Yuan, LI Kai-ping, ZHANG Chen-yue. SPATIAL AND TEMPORAL DISTRIBUTION CHARACTERISTICS AND POLLUTION SOURCE EVALUATION OF WATER QUALITY IN THE HUANGZHOUHE RIVER BASIN, GUIZHOU[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 69-75. doi: 10.13205/j.hjgc.202109011

Citation:

WANG Xin-wen, LIU Zi-qi, GUO Qiong-qiong, LI Yuan, LI Kai-ping, ZHANG Chen-yue. SPATIAL AND TEMPORAL DISTRIBUTION CHARACTERISTICS AND POLLUTION SOURCE EVALUATION OF WATER QUALITY IN THE HUANGZHOUHE RIVER BASIN, GUIZHOU[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 69-75. doi: 10.13205/j.hjgc.202109011

Citation:

WANG Xin-wen, LIU Zi-qi, GUO Qiong-qiong, LI Yuan, LI Kai-ping, ZHANG Chen-yue. SPATIAL AND TEMPORAL DISTRIBUTION CHARACTERISTICS AND POLLUTION SOURCE EVALUATION OF WATER QUALITY IN THE HUANGZHOUHE RIVER BASIN, GUIZHOU[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 69-75. doi: 10.13205/j.hjgc.202109011

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SPATIAL AND TEMPORAL DISTRIBUTION CHARACTERISTICS AND POLLUTION SOURCE EVALUATION OF WATER QUALITY IN THE HUANGZHOUHE RIVER BASIN, GUIZHOU

doi: 10.13205/j.hjgc.202109011

1. School of Karst Science, Guizhou Normal University, Guiyang 550001, China;
2. State Engineering Technology Institute for Karst Desertification Control, Guiyang 550001, China

Received Date: 2020-09-11
Available Online: 2022-01-21

Abstract

Abstract

The Huangzhouhe River is one of the important rivers in the Shibing Karst Word Natural Heritage Site. In order to know the water quality characteristics of the Huangzhouhe River, single factor water quality identification index, mean-type comprehensive pollution index, cluster analysis and principal component analysis were used to analyze and evaluate the river water quality characteristics, based on 8 sample points, 7 monitoring indicators and 12-month monitoring data. The results showed that TN to excessive emission standard was severe in the river, and TP excessive potential was strong. Water quality in heritage site's core area didn't meet the class I standard, and that in the buffer zone was inferior to class Ⅲ water quality standard. The water quality was worse in high water period and better in low water period. TP, NTU and NH₃-N were the main controlling factors in the wet season. COD_Mn, Chl-a and DO were the main control factors in the leveling period. The main controlling factor in the dry season was NH₃-N. The main form of pollution in the basin was agricultural non-point source pollution. The current situation of heavy pollution of the monitoring point, Y1 and Y2 were caused by the domestic water of residents in the upstream and midstream buffer zones and pollution discharge of livestock and poultry excrement in rural areas. Moreover, the pollution will migrate with the river and enter the core area of the natural heritage site.
- spatial and temporal distribution of water quality,
- water quality assessment,
- the Huangzhouhe River Basin,
- cluster analysis,
- principal component analysis

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References(32)

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