{"title":"Groundwater Pollution in and Around a Paper Wastewater-Irrigated Area, Northwest China","authors":"Jianhua Wu, Peiyue Li, H. Qian, Jie Chen","doi":"10.1109/ICDMA.2013.154","DOIUrl":null,"url":null,"abstract":"Groundwater samples were collected from 87 monitoring wells in and around a paper wastewater-irrigated area. The monitored parameters include pH, COD, Cl<sup>-</sup>, SO<sub>4</sub><sup>2-</sup>, F-, TDS, TH, NH<sub>4</sub>-N, NO<sub>3</sub>-N and NO<sub>2</sub>-N. Water quality variation was examined by graphical approach and R mode cluster analysis. The study shows that groundwater in the study area has been contaminated. Most physiochemical parameters usually have high variations in concentration. Groundwater pollution in the forest area is mainly caused by CODMn, NO<sub>2</sub>-N, NO<sub>3</sub>-N and F<sup>-</sup>, while groundwater pollution in the alluvial plain may be attributed to excess TDS, TH, F<sup>-</sup> and NO<sub>2</sub>-N. Elevated concentrations of COD<sub>Mn</sub>, NO<sub>2</sub>-N, NO<sub>3</sub>-N is due to anthropogenic intervention, while TDS, TH, pH and Fmay be influenced more by natural processes.","PeriodicalId":403312,"journal":{"name":"2013 Fourth International Conference on Digital Manufacturing & Automation","volume":"84 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 Fourth International Conference on Digital Manufacturing & Automation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICDMA.2013.154","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
Groundwater samples were collected from 87 monitoring wells in and around a paper wastewater-irrigated area. The monitored parameters include pH, COD, Cl-, SO42-, F-, TDS, TH, NH4-N, NO3-N and NO2-N. Water quality variation was examined by graphical approach and R mode cluster analysis. The study shows that groundwater in the study area has been contaminated. Most physiochemical parameters usually have high variations in concentration. Groundwater pollution in the forest area is mainly caused by CODMn, NO2-N, NO3-N and F-, while groundwater pollution in the alluvial plain may be attributed to excess TDS, TH, F- and NO2-N. Elevated concentrations of CODMn, NO2-N, NO3-N is due to anthropogenic intervention, while TDS, TH, pH and Fmay be influenced more by natural processes.
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