不同地区地下水的微量元素浓度差异与气候状况、土地利用程度密切相关。
Differences in the concentration of trace elements are related to the climatic conditions and land use of the area.
研究区土地利用程度综合指数呈下降趋势，表明该区土地利用类型趋于多样化。
The comprehensive index of land use degree in the study area decreased, which indicated that the land use type tended to be diversification.
为了量化城市土地利用程度和开发密度，对研究区基于子像元的非渗透表面丰度进行了分类。
To quantitatively determine urban land use extents and development densities, sub-pixel impervious surface areas were mapped for this area.
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