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喀斯特地区原状土的可蚀性
Authors
李锐
高华端
Publication date
1 January 2007
Publisher
Abstract
研究喀斯特地区原状土的可蚀性,有助于掌握土壤抗蚀的本底特征,对比研究耕作前后的土壤可蚀性变化,揭示人类加速侵蚀对石漠化过程的影响。通过对喀斯特地区原状土壤剖面的调查,分析土壤质地、有机质含量,选用Sharply等的EPIC模型,计算土壤可蚀性K值。结果表明:喀斯特地区原状土壤可蚀性K值集中在0.2~0.3之间,平均为0.269,比其他常见土壤的K值低。研究结果可用于与耕作土K值进行对比研究
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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