Abstract
In this paper, on the basis of the research on karst groundwater chemistry characteristics of Lancun spring area, fuzzy comprehensive evaluation method is applied to evaluate the groundwater quality of Lancun spring area, and correlation analysis to predict the trend of groundwater quality. The results show that karst water of Lancun spring area is clean in general, which reached grade I. But in some area where industrial enterprises and towns residents are concentrated, items such as nitrate nitrogen content are relatively high. By 2025, the total hardness and Cl- content of karst water in the majority area of the basin change little, but in several area the total hardness and Cl- content show an increasing trend, but not excessive. Other regions show an increasing trend, but not exceeding standards of drinking water.
Published Version
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