[1]展秀丽,严平,王宁,等.青海湖防沙工程措施区土壤水分及入渗特征初步研究[J].水土保持研究,2012,19(01):33-36.
　ZHAN Xiu-li,YAN Ping,WANG Ning,et al.Preliminary Study on Soil Water and Permeability Characteristics of Desertification Combating Areas Exerted by Engineering Measures around Qinghai Lake[J].Research of Soil and Water Conservation,2012,19(01):33-36.
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青海湖防沙工程措施区土壤水分及入渗特征初步研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 19 期数: 2012年01期 页码: 33-36 栏目: 出版日期: 2012-02-20
Title:
Preliminary Study on Soil Water and Permeability Characteristics of Desertification Combating Areas Exerted by Engineering Measures around Qinghai Lake
作者:
展秀丽1, 严平2, 王宁3, 杨典正2, 齐彪2
1. 宁夏大学 资源环境学院, 银川 750021;
2. 北京师范大学 地表过程与资源生态国家重点实验室, 北京 100875;
3. 青海省农林科学院, 西宁 810000
Author(s):
ZHAN Xiu-li1, YAN Ping2, WANG Ning3, YANG Dian-zheng2, QI Biao2
1. School of Recourses and Environment, Ningxia University, Yinchuan 750021, China;
2. State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China;
3. Qinghai Academy of Agriculture and Forestry, Xi’ning 810000, China
关键词:
草方格; 土壤水分; 饱和导水率; 青海湖沙区
Keywords:
straw checkerboard; soil water content; saturated hydraulic conductivity; Qinghai Lake
分类号:
S152.7+2
摘要:
选取青海湖沙区（克土和湖东种羊场）的草方格沙障，主要研究防沙措施的实施对该地区沙土物理性质的影响，采用烘干法和张力入渗仪对其土壤重量含水率及饱和导水率进行了测定。研究结果表明：克土和湖东种羊场的土壤含水率随深度变化都基本符合先增加后下降的趋势；土壤饱和导水率在克土区表现为半流动沙丘>丘间低地>坡底草方格>封沙育草区，湖东种羊场表现为：迎风坡中部草方格>坡底草方格。坡底沙土的入渗较迎风坡坡中部慢，主要与土壤粒度和含水率有关。粗砂含量较高、土壤水分较低的土壤表层渗透较快，而植被盖度较高并且有结皮的土壤表层渗透较慢。
Abstract:
This study selected straw sand-barriers in Qinghai Lake areas, to study desertification combating measures how to influence sandy soil, measuring soil water by drying method and saturated hydraulic conductivity by tension infiltration. The preliminary results were obtained: in Ketu area, soil water content of the straw sand-barriers of semi-mobile dune, the mobile dune, the interdune, the fenced area, and the straw sand-barriers in the bottom of slope, the middle of windward and the bottom of slope of the east of Lake all first increased nearly, then it showed the reducing trend. The saturated hydraulic conductivity in Ketu area, the semi-mobile dune>the interdune>the straw sand-barriers in the bottom of slope>the fenced area, and in the east of Lake, the middle of windward was higher than the bottom of slope. The saturated hydraulic conductivity was related with the sand soil particle, soil water, vegetation cover and soil crust.

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备注/Memo

收稿日期:2011-1-12;改回日期:2011-8-11。
基金项目:国家科技支撑项目（2007BAC30B05-01，2006BAD26B03）
作者简介:展秀丽（1983- ），女，甘肃人，博士，讲师，主要从事防沙治沙与生态恢复研究。E-mail：zhanxiuli@mail.bnu.edu.cn
通讯作者:严平（1966- ），男，安徽人，教授，主要从事土壤风蚀控制研究。E-mail：yping@bnu.edu.cn

更新日期/Last Update: 1900-01-01