[1]王贺年,余新晓,李轶涛,等.北京山区林地土壤水分动态变化[J].山地学报,2011,(06):701.
　WANG Henian,Y Xinxiao,LI Yitao.Soil Water Dynamics of Four Advantage Forest in Beijing Mountain Area[J].Mountain Research,2011,(06):701.
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北京山区林地土壤水分动态变化()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2011年06期
页码:
701
栏目:
山地学报
出版日期:
2011-01-01

文章信息/Info

Title:
Soil Water Dynamics of Four Advantage Forest in Beijing Mountain Area
作者:
王贺年;余新晓;李轶涛;
北京林业大学，水土保持与荒漠化防治教育部重点实验室，北京100083
Author(s):
WANG Henian;  Y Xinxiao;  LI Yitao
Key Laboratory of Soil and Water Conservation & Desertification Combating of the Ministry of Education, Beijing Forestry University, Beijing 100083, China
关键词:
北京山区; 林地; 土壤含水量; 动态变化
Keywords:
Beijing mountain area;  forest;  soil water;  dynamics
分类号:
S152.7
文献标志码:
A
摘要:
应用时域反射仪(TDR)土壤水分定位监测方法,研究了北京山区4种主要林分(侧柏、油松、刺槐、栓皮栎)林地土壤水分动态。结果表明:林地土壤水分变化既有明显的季节特征,可以分为稳定期(11—4月)、消耗期(5—6月)、积累期(7—8月)、消退期(9—10月)4个阶段。其垂直变化呈现出先增加后减少(或趋于平缓)的趋势。单次降雨后持续干旱条件下,土壤水分及其损失率与雨后干旱天数均存在二次函数关系。无论是降水还是其后的持续干旱,主要影响的都是表层土壤。
Abstract:
The soil water dynamics of four main mountain forests in Beijing (Platycladus, Pinus tabulaeformis, Robinia pseudoacacia, and Quercus variabilis) was studied by using Time Domain Reflectometry (TDR). The results showed that: There was a significant variation in soil water storage; it can be divided into stable period (November-April), consumed period (May-June), accumulated period (July-August), and subsided period (September –October). After rain and persistent drought conditions, soil water and its loss rate had a quadratic function with drought duration days. Both precipitation and subsequent continuing drought most effected surface soil.

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备注/Memo

备注/Memo:
收稿日期(Received date)：2011-09-28；改回日期(Accepted)：2011-11-03。
基金项目（Foundation item）：国家科技支撑项目“海河上游水源涵养林体系构建技术研究与示范”（2011BAD38B05）；国家林业公益性行业科研专项经费项目 “典型森林植被对水资源形成过程的调控研究” （201104005）。\[National Science and Technology Support Project:” the system construction technology research and demonstration of water conservation forest in the upper reaches of the Haihe River” (No. 2011BAD38B05); National Forestry Industry Research Special Funds for Public Welfare Projects:” the regulation of water forming process of typical forest vegetation (No. 201104005).\]
作者简介（Biography）：王贺年（1989-），男，在读硕士研究生。主要研究方向：水土保持。\[Wang Henian (1989-), male, studying master, the major field is soil and water conservation. E-mail: wanghenian2006@126.com\] *
通讯作者(Correspondence author)：余新晓（1961-），男，博士，教授。主要研究方向：森林水分、水土保持等。\[Yu Xinxiao (1961-), male, doctor, professor, the major fields are forestry hydrology, soil and water conservation, et al.\] E-mail:yuxinxiao111@126.com
更新日期/Last Update: 1900-01-01