Spatial variability of soil moisture on steep slopeland in loess hill region

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Publication date
1 January 2003
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Abstract

通过对黄土半干旱丘陵区陡坡坡地土壤水分变异规律研究 ,阐明陡坡坡面土壤水分变化特征 ,0～ 2 0 0cm土层内土壤含水量垂直变化呈高—低—高趋势 ;陡坡土壤水分沿坡顶向下变化总趋势是先增加后持平或减小 ;在坡面有浅沟微地形存在的情况下 ,虽然纵向和横向坡位对坡面土壤水分分布均存在影响 ,但纵向坡位的影响要较横向显著 ;地统计学对有浅沟微地形存在的陡坡坡面土壤水分变异特征不能进行很好地描述

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    Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources

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