...报告_述职报告 关键词：自然衰减;地下水;包气带;污灌区 [gap=936]Key words: natural attenuation;groundwater;the vadose zone;the wastewater irrigation area 地下水污染已成为一个全球性的环境问题。
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Based on the collection of buried deep of groundwater level, aquifer medium,and lithology of the vadose zone, use analytic method to structure comparison matrices and then determine the weight of evaluation factors weight.
在搜集整理银川市潜水位埋深、含水层介质、包气带岩性等资料基础上,运用层次分析法构造比较矩阵确定评价因子权重,对银川市水源地进行潜水污染风险评价。
参考来源 - 银川市地下水水源地污染的水文地质影响因素分析及风险评价·2,447,543篇论文数据，部分数据来源于NoteExpress
The vadose zone supplies plant roots near the surface with water.
包气带为地表附近的植物根系提供水分。
Above the water table is the vadose zone, through which rainwater percolates.
地下水位的上方是包气带，雨水从中渗透。
Water in the vadose zone drains down to the water table, leaving behind a thin coating of water on mineral grains.
包气带中的水会沉降到地下水位，只在矿物颗粒表面留下一层薄薄的水膜。
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