[1]林坤,焦峰.基于熵权法的黄土丘陵区贺庄沟流域土壤水分分析[J].水土保持研究,2011,18(03):191-193.
　LIN Kun,JIAO Feng.Analysis of Soil Moisture Based on Entropy Method in the Hezhuanggou Basin on the Loess Hilly Region[J].Research of Soil and Water Conservation,2011,18(03):191-193.
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基于熵权法的黄土丘陵区贺庄沟流域土壤水分分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年03期 页码: 191-193 栏目: 出版日期: 2011-06-20
Title:
Analysis of Soil Moisture Based on Entropy Method in the Hezhuanggou Basin on the Loess Hilly Region
作者:
林坤1, 焦峰1,2
1. 西北农林科技大学 资源环境学院, 陕西 杨凌 712100;
2. 中国科学院 水利部 水土保持研究所, 陕西 杨凌 712100
Author(s):
LIN Kun1, JIAO Feng1,2
1. College of Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and the Ministry of Water Resources, Yangling, Shaanxi 712100, China
关键词:
小流域; 熵; 熵权; 土壤水分
Keywords:
small watershed; entropy; entropy weight; soil moisture
分类号:
S157.9
摘要:
该研究首次将熵权法应用于分析坡度、坡向、坡位及土地利用类型对土壤水分权重的影响，通过对黄土丘陵区贺庄沟流域土壤水分各影响因子在不同土层深度下的权重分析，描述各影响因子对土壤水分的影响程度。结果表明：在土壤水分速变微利用层（0-20cm），各因子的影响程度依次为：坡度＞坡位＞坡向＞土地利用类型，坡向和土地利用类型的影响相差不大；在活跃利用层（20-60cm），依次为：土地利用类型＞坡位＞坡度＞坡向；在次活跃层（60-200cm），依次为：坡位＞坡度＞土地利用类型＞坡向，从而为小流域恢复生态建设等提供科学的理论依据。
Abstract:
The entropy method was first used to compute the ratio of effect factors on soil moisture in this research.We described the impact of the various factors on soil moisture through the weight analysis of them in different soil depths in the Hezhuanggou Basin on the Loess Hilly Region.The results showed that in the fast changed and micro-used depth of soil moisture(0-20cm),the order of weight of the various factors is:slope>slope position>aspect>land use type,the affectation of the aspect and the land use type is almost the same;In the active effective-used depth of soil moisture(20-60cm),it is land use type>slope position>slope>aspect;In the less active depth of soil moisture(60-200cm),it is slope position>slope>land use type>aspect.Based on this,it provided a theoretical basis for the restoration of the ecological construction in the small watershed.

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备注/Memo

收稿日期:2011-3-22;改回日期:2011-5-18。
基金项目:中国科学院西部之光项目（2009y236）;国家自然科学基金项目（40871246）
作者简介:林坤（1985- ），女，河北省徐水县人，硕士研究生，从事GIS与水土保持研究。E-mail：linkunhebei@163.com
通讯作者:焦峰（1967- ），男，陕西三原人，博士，副研究员，主要从事GIS应用、水土保持与环境效应监测评价研究。E-mail：Jiaof11@126.com

更新日期/Last Update: 1900-01-01