[1]张哲,焦峰,梁宁霞,等.延河流域不同植被带土地利用方式的土壤水分分析评价[J].水土保持研究,2014,21(04):74-77,81.
　ZHANG Zhe,JIAO Feng,LANG Ning-xia,et al.Evaluation of Soil Moisture of Land Use under Different Vegetation Zones in Yanhe Basin[J].Research of Soil and Water Conservation,2014,21(04):74-77,81.
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延河流域不同植被带土地利用方式的土壤水分分析评价

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年04期 页码: 74-77,81 栏目: 出版日期: 2014-08-28
Title:
Evaluation of Soil Moisture of Land Use under Different Vegetation Zones in Yanhe Basin
作者:
张哲1, 焦峰1,2, 梁宁霞3, 王宗仁4
1. 西北农林科技大学 水土保持研究所, 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;
3. 西北农林科技大学 资源环境学院, 陕西 杨凌 712100;
4. 宝鸡市岐山县祝家庄镇农业办, 陕西 岐山 722403
Author(s):
ZHANG Zhe1, JIAO Feng1,2, LANG Ning-xia3, WANG Zong-ren4
1. Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
3. College of Natural Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;
4. Agricultural Office, Zhujiazhuang Town of Qishan County Baoji City, Qishan Shaanxi, China 722403
关键词:
植被带; 土壤水分; 土壤湿度综合指数; 土地利用分布特征
Keywords:
vegetation zone; soil moisture; SHI; distribution of land use
分类号:
S152.7;F301.24
摘要:
以延河流域不同植被带上的三个小流域为研究对象，引用土壤湿度综合指数作为土壤水分评价指标，结合不同植被带土地利用分布特征与相应土壤含水量对延河流域土壤水分进行评价分析，为该区域不同植被带水土资源的合理利用提供科学依据。结果表明：三个植被带均处于极干旱状态，土壤湿度森林草原带 > 森林带 > 草原带；其中森林带以林地为主，森林草原带以林地和草地共同起主导作用，草原带以草地为主；不同植被带土壤含水量差异显著，森林带最高，其次为森林草原带，草原带最低；对不同植被带土壤水分的剖面变化分析表明，0—200 cm土层中土壤含水量随着深度增加呈现增长趋势。4种土地利用方式中，耕地的土壤含水量显著高于其他三种土地利用方式，这主要是与耕地坡度较小和修建梯田有关，同时还与农作物的耗水量相对较小有关。林地和草地土壤含水量无显著差异，灌木地土壤含水量最小。
Abstract:
The study took three small watersheds in different vegetation zones of Yanhe River valley as the research areas. It treated SHI as soil evaluation index, and took the soil moisture combination with land use distribution of different vegetations and its soil moisture as the method, which made an analysis of the soil water content along the river basin. In addition, a scientific basis for the rational use of water and soil resources of different vegetation zone was provided. The results show that the three vegetation zones were extremely dry, the order of soil moisture was forest steppe region, forest region and grassland. The forest region was based on woodland, forest steppe region was forestland and grassland, steppe region was grass. There is significant difference among those soil water contents, forest region was higher than forestland and grassland, and grassland was the lowest. According to the analysis on soil water content profile in different vegetation zones, it showed that soil water content increased with depth in 0—200 cm soil layer and had a growth tendency. Therefore, among four ways of land use, soil moisture content of farmland was significantly higher than the other land uses, not only because it was mainly affected by smaller slope and terraces, but also the smaller crop water consumption. There was no significant difference in soil water content between forestland and grassland. Moreover, soil water content of shrub land is minimal.

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备注/Memo

收稿日期:2013-11-20;改回日期:2013-12-12。
基金项目:国家自然基金（41271043）；中科院知识创新重要方向项目（KZCX2-EW-406）；中国科学院重点部署项目（KZZD-EW-04-03）；西北农林科技大学科技创新重点项目（QN2011073）
作者简介:张哲(1989-),男,宁夏吴忠人,硕士研究生,主要研究方向为遥感与GIS应用及资源环境信息技术。E-mail:zhangzheban@163.com
通讯作者:焦峰(1967-),男,陕西三原人,博士,副研究员,主要研究方向为GIS应用,水土保持与环境效应监测评价研究。E-mail:Jiaof@ms.iswc.ac.cn

更新日期/Last Update: 1900-01-01