Application of fuzzy mathematics in the comprehensive appraisal of the quality of underground water of spring basin of Heilongdong
YI Qing-hua · 2006
Through the analysis of the quality of the underground water of spring basin of Heilongdong,we structured a evaluation index system of the quality of underground water of spring basin of Heilongdong with six indexes of total degree of hardness,vitriol,chloride,nitrate,total solid in deliquescence and the fluorin turn thing.According to the national standard of underground water,an evaluation criterion system was set up fromⅠ toⅤ grade.The quality of underground water of spring basin of Heilongdong wasⅡgrade by utilizing fuzzy mathematics comprehensive appraisal method to analyse and calculate the evaluation indexes.The result was accord ing with the state of the quality of underground water of Heilongdong spring basin.