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Experimental Study of Soil Infiltration for Reclamation Land in Shenmu-Fugu Dongsheng Coal Mine Area
Authors
付微
邵明安
黄明斌
Publication date
1 January 2008
Publisher
Abstract
土壤入渗性能是最基本的土壤物理特性之一。复垦区土壤的结构组成复杂,入渗特性有别于非矿区土壤。本文以神府东胜煤田马家塔复垦区为研究对象,利用圆盘入渗仪分别测定了复垦区乔木、林地、荒地、灌木林地和草地的土壤入渗特性,用经典统计学方法对复垦区土壤入渗性能的空间变异性进行了分析。实测结果表明,不同土地利用方式下的土壤入渗特性有较大的差异;在测定范围内,乔木林地、荒地、草地和灌木林地的稳定入渗率均表现出0 cm>—3 cm>—15 cm的规律性,其中草地稳定入渗率随吸力的变化更明显。研究表明:乔木林地稳定入渗率和累积入渗量的变异系数分别为0.58和0.49.属于中等变异
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018