Comprehensive Analysis of Water Pollution in Karst Areas During Nomal Water Season -Taking Dolomite Karst World Natural Heritage Site in Guizhou Province as an Example
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Comprehensive Analysis of Water Pollution in Karst Areas During Nomal Water Season -Taking Dolomite Karst World Natural Heritage Site in Guizhou Province as an Example
Bulletin of Soiland Water ConservationVol. 39, Issue 2, Pages: 253-259(2019)
Zhang Chenyue, Liu Ziqi, Liu Zhaojun, et al. Comprehensive Analysis of Water Pollution in Karst Areas During Nomal Water Season -Taking Dolomite Karst World Natural Heritage Site in Guizhou Province as an Example[J]. Bulletin of Soiland Water Conservation, 2019, 39(2): 253-259.
DOI:
Zhang Chenyue, Liu Ziqi, Liu Zhaojun, et al. Comprehensive Analysis of Water Pollution in Karst Areas During Nomal Water Season -Taking Dolomite Karst World Natural Heritage Site in Guizhou Province as an Example[J]. Bulletin of Soiland Water Conservation, 2019, 39(2): 253-259. DOI: 10.13961/j.cnki.stbctb.2019.02.040.
Comprehensive Analysis of Water Pollution in Karst Areas During Nomal Water Season -Taking Dolomite Karst World Natural Heritage Site in Guizhou Province as an Example
[Objective] Water quality pollution of the karst heritage site in Shibing County
Guizhou Province was studied in order to understand the causes of water pollution and to protect the river and environment of the karst heritage site.[Methods] In October 2017 and April 2018
the Huangzhou River basin in the heritage site sampling 8 representative samples of TP
TN
NH3-N
CODMn
DO
Chl-a and other indicators for the determination and analysis
and the use of single-factor evaluation method
The mean-value index comprehensive evaluation method and multivariate statistical analysis method were used.[Results] ① Heritage site buffer overall water quality meet the national surface water class Ⅲ of the water standard
the core part water quality does not meet the national class Ⅰ water standard
main pollutants for total nitrogen. ② The water quality of the Huangzhou River basin in spring and autumn has little difference
and the water quality is better in autumn as a whole
and the water body has a strong self-purification capacity. ③ The main pollution sources are domestic sewage
solid waste and agricultural surface source pollution.[Conclusion] The environmental protection and comprehensive management of watershed water quality in Shibing dolomite karst heritage site should be paid attention to
which are to reduce the long-term use of nitrogen and phosphorus fertilizers
to prevent the free discharge and discard of domestic sewage and domestic waste.
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Related Author
MENG Fande
PENG Tao
WANG Shijie
CAI Xianli
ZHANG Lin
Related Institution
The State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences