[1]朱德兰,杨涛,王得祥,等.黄土丘陵沟壑区三种不同植被土壤水分动态及蒸散耗水规律研究[J].水土保持研究,2009,16(01):8-12.
　ZHU De-lan,YANG Tao,WANG De-xiang,et al.Study on Soil Water Dynamic and the Evapotranspiration of Three Different Vegetation in the Loess Hilly and Gully Region[J].Research of Soil and Water Conservation,2009,16(01):8-12.
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黄土丘陵沟壑区三种不同植被土壤水分动态及蒸散耗水规律研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年01期 页码: 8-12 栏目: 出版日期: 2009-02-20
Title:
Study on Soil Water Dynamic and the Evapotranspiration of Three Different Vegetation in the Loess Hilly and Gully Region
作者:
朱德兰1, 杨涛1,2, 王得祥3, 蔺雨阳1, 钱红格1, 周金星4
1. 西北农林科技大学 资源环境学院, 陕西 杨陵 712100;
2. 陕西省治沙研究所, 陕西 榆林 719000;
3. 西北农林科技大学 林学院, 陕西 杨陵 712100;
4. 中国林业科学研究院 林业研究所 国家林业局林木培育重点实验室, 北京 100091
Author(s):
ZHU De-lan1, YANG Tao1,2, WANG De-xiang3, LIN Yu-yang1, QIAG Hong-ge1, ZHOU Jin-xing4
1. College of Resources and Environment, Northwest A & F University Yangling, Shaanxi 712100, China;
2. Institute for Control Sand of Shaanxi Province, Yulin, Shaanxi 719000, China;
3. College of Forestry, Northwest A & F University Yangling, Shaanxi 712100, China;
4. Research Institute of Forestry, Chinese Academy of Forestry, Key Laboratory of Tree Breeding and Cultivation of State Forestry Administration, Beijing 100091, China
关键词:
黄土丘陵沟壑区; 植被类型; 耗水规律; 土壤储水量
Keywords:
the Loess hilly and gully region; vegetation types; water consumption rhythm; water accumulating capacity
分类号:
S152.7
摘要:
通过连续5 a定点观测流域土壤水分、气象要素等资料，利用水量供耗平衡原理，分析了该区域3种不同植被类型阶段储水量、耗水量和耗水规律。结果表明：天然次生林年耗水量最少，为487.8 mm，玉米次之，为519.65 mm；苹果最大，为540.7 mm；从不同类型土壤储水量分析表明：在阴坡生长的天然次生林处于充分供水状态，年耗水量稳定在500 mm左右；而玉米和苹果树全生育期内大部分月份都处在土壤水分亏缺状态，耗水量年变差较大，其年最大耗水量之差分别达240 mm和140.7 mm，当作物在土壤水分亏缺状态下生长时耗水量较小；年耗水量与当年降雨量关系不显著，而与降雨时间分布较为密切。
Abstract:
The located observation on soil moisture dynamics and analysis the characteristics of water consumption rhythm under three kinds of vegetations in five years show that annual water consumption of nature forestry, maize and apple tree are 487.8 mm, 519.65 mm and 540.7 mm respectively. Analyzing the water accumulating capacity under three kinds of vegetation showed that the nature forestry of shaded hillside grew in the condition of sufficient soil moisture and every annual water requirement is steady with about 500 mm. Apple tree and maize grew in the condition of shortage soil moisture in the almost every month, which difference of annual water requirement is very large, the variation of water accumulating capacity the nature forestry and maize are 240 mm and 140.7 mm respectively. The crop growing of shortage soil moisture, the annual water consumption is small. The relationship between annual water consumption and rainfall is not significant. But the relationship between annual water consumption and rainfall distribution is closer.

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备注/Memo

收稿日期:2008-10-18。
基金项目:国家自然科学基金（30671721）；西北农林科技大学人才支持计划“退耕还林工程效应评价及林草植被自我维持机制研究”；西北农林科技大学“青年学术骨干支持计划”
作者简介:朱德兰（1969- ），女，青海乐都人，博士，教授，主要从事水资源高效利用方面的研究。E-mail：DLzhu@126.com
通讯作者:王得祥（1966- ），青海乐都人，男，博士，教授，主要从事森林生态和森林可持续经营的教学和研究。E-mail：wangdx66@126.com

更新日期/Last Update: 1900-01-01