Assessment of the environmental impa

Assessment of the environmental impact of artificial effluent lagoon in Jiayuguan City of China

An artificial effluent lagoon for storing wastewater were excavated in Jiayuguan City since 1994. As a part of a demonstration projectof Sino-Australia cooperation, an assessment of the environmental impact of the lagoon was carried out. The assessment was based on field andlaboratory tests and predictive model. The main impacts from the lagoon site are likely to be on the groundwater system, and, to a lesser extent,on ambient air quality in the vicinity. Currently it is expected that groundwater is being polluted with effluent from the effluent lagoon. Airpollution(odor nuisance) is mainly caused by untreated effluent in the irrigation channel. The impact of high total dissolved salt(TDS) ongroundwater is likely to be significant in the long run if the lagoon is continuously used. There is, consequently, no likelihood of contaminationof surface water system, particularly of the city water supply system, from infiltration of effluent at the lagoon.

作 者： PEI Yuan-sheng LUAN Zhao-kun BARBER C WILLIAMSON D   作者单位： PEI Yuan-sheng(Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;Institue of Environmental Sciences and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China)

LUAN Zhao-kun(Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

BARBER C,WILLIAMSON D(Center for Groundwater Studies, CSIRO Land and Water, Perth, Australia) 

刊 名： 环境科学学报(英文版)  ISTIC SCI 英文刊名： JOURNAL OF ENVIRONMENTAL SCIENCES  年，卷(期)： 2003 15(4)  分类号： X82  关键词： assessment   environmental impact   groundwater contamination   lagoon  

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