[1]张卫强,贺康宁,周毅,等.黄土半干旱区刺槐林地土壤蒸发特性研究[J].水土保持研究,2007,14(06):367-370,375.
　ZHANG Wei-qiang,HE Kang-ning,ZHOU Yi,et al.Study on Soil Evaporation of the Robinia pseudoacacia Forest Land in Semi-arid Region of the Loess Plateau[J].Research of Soil and Water Conservation,2007,14(06):367-370,375.
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黄土半干旱区刺槐林地土壤蒸发特性研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年06期 页码: 367-370,375 栏目: 出版日期: 1900-01-01
Title:
Study on Soil Evaporation of the Robinia pseudoacacia Forest Land in Semi-arid Region of the Loess Plateau
作者:
张卫强1, 贺康宁2, 周毅1, 邓军涛3, 甘先华1
1. 广东省林业科学研究院, 广州 510520;
2. 北京林业大学 水土保持学院, 北京 100083;
3. 水利部珠江水利委员会, 广州 510611
Author(s):
ZHANG Wei-qiang1, HE Kang-ning2, ZHOU Yi1, DENG Jun-tao3, GAN Xian-hua1
1. Forest Research Institute of Guangdong Province, Guangzhou 510520, China;
2. College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China;
3. Pearl River Water Resource Commission, Guangzhou 510611, China
关键词:
刺槐林地; 土壤水分; 林地土壤蒸发; 林地土壤蒸发模型; 黄土半干旱区
Keywords:
Robinia pseudoacacia forest land; soil water content; soil evaporation of forest land; soil evaporation model of forest land; semi-arid region of the Loess Plateau
分类号:
S714;S715.4
摘要:
试验采用微型蒸发器（Micro-lysimeters，MLS），人为控制土壤水分梯度，对不覆盖、枯枝落叶物覆盖和苔藓覆盖3种处理的林地土壤蒸发进行了分析。结果表明，在不同土壤水分条件下，利用枯落物覆盖减小林地土壤蒸发效果晴天好于多云天，枯落物覆盖、苔藓覆盖与无覆盖相比，分别减少了20.15%～52.46%和11.11%～36.72%的土壤蒸发，枯落物覆盖效果好于苔藓；林地土壤蒸发量随土壤水分的增加呈上升趋势，当土壤含水量增加到一定临界值后，林地土壤蒸发量由上升变为下降，表现出土壤水分对林地土壤蒸发具有明显的阈值反应，土壤含水量的临界值分别为14.2%（枯落物覆盖）和16.8%（不覆盖）；基于林地土壤蒸发量（E1）与水面蒸发量（E0）的观测数据，利用STATISTICA软件统计分析，建立林地土壤蒸发模型，可用于林地土壤蒸发量的估算，为林地土壤水分管理提供理论依据。
Abstract:
The paper have taken a systemic study by Micro-lysimeters (MLS) on soil evaporation of the Robinia pseudoacacia forest with no land cover, litter cover and moss cover on the Loess Plateau in semi-arid region, artificially controlling its soil water content level.It has been shown that the effect of soil evaporation with litter cover on sunny weather is better than cloudy weather, soil evaporation with litter cover and moss cover is 20.15%～52.46% and 11.11%～36.72% less than with no cover land respectively under the different soil water content, the soil evaporation with litter cover is less than with moss cover; the more soil water content, the higher soil evaporation, but until the water content becomes up to limitation, the more soil water content, the smaller soil evaporation, therefore, there is an obvious domain value of 14.2% and 16.8% respectively.The relationship equation has been built up, which could be used to calculate soil evaporation and taken as academic gist in soil water management, analyzing the data of evaporation in the forestland and water surface by the software of STATISTICA.

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备注/Memo

收稿日期:2006-12-1。
基金项目:教育部科学技术研究重大项目“北方退耕还林区水土保持植被恢复与重建技术研究”（10407）；广东省林业局科技专项“广东省森林生态效益监测站建设与研究”
作者简介:张卫强，博士，主要从事生态环境工程研究。
通讯作者:贺康宁，教授，博士，博士生导师，主要从事林业生态工程建设抗旱造林技术研究。

更新日期/Last Update: 1900-01-01