Water quality analysis of surface water: a Web approach

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• 作者：Poonam Prasad (1)
  Meenal Chaurasia (1)
  R. A. Sohony (1)
  Indrani Gupta (1)
  R. Kumar (1)
  
• 关键词：Water quality analysis ; Web based ; Environment ; Monitoring ; Surface water ; Outlier
• 刊名：Environmental Monitoring and Assessment
• 出版年：2013
• 出版时间：July 2013
• 年：2013
• 卷：185
• 期：7
• 页码：5987-5992
• 全文大小：365KB
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• 作者单位：Poonam Prasad (1)
  Meenal Chaurasia (1)
  R. A. Sohony (1)
  Indrani Gupta (1)
  R. Kumar (1)
  
  1. CSIR-NEERI, Nagpur, Maharashtra, India
  
• ISSN：1573-2959

文摘

The chemical, physical and biological characteristics of water with respect to its suitability describe its quality. Concentration of pesticides or fertilisers degrades the water quality and affects marine life. A comprehensive environmental data information system helps to perform and complete common tasks in less time with less effort for data verification, data calculations, graph generation, and proper monitoring, which helps in the further mitigation step. In this paper, focus is given to a web-based system developed to express the quality of water in the imprecise environment of monitoring data. Water samples were analyzed for eight different surface water parameters, in which four parameters such as pH, dissolved oxygen, biochemical oxygen demand, and fecal coliform were used for the water quality index calculation following MPCB Water Quality Standards of class A-II for best designated use. The analysis showed that river points in a particular year were in very bad category with certainty level of 0-8?% which is unsuitable for drinking purposes; samples in bad category had certainty level that ranged from 38 to 50?%; samples in medium to good category had certainty levels from 50 to 100?%, and the remaining samples were in good to excellent category, suitable for drinking purposes, with certainty levels from 63 to 100?%.