More soluble ion contents in soils have a general trend of decreasing with depth from the surface to water table.
土壤中易溶离子含量自地表至潜水面之间随深度总体上呈减小趋势。
In this paper, the regime regularity and evolutive trend of groundwater in Luoyang were discussed. The countermeasures of preventing water table Lowering were also advanced in this paper.
本文在论述了洛阳市地下水动态变化特征及演变趋势的基础上，提出了防治地下水位下降的对策。
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