[1]李贵玉,徐学选*.对森林能否增加降水和年径流总量的再探讨[J].西北林学院学报,2006,21(01):1-6.
　LI Guiyu,XU Xuexuan.Rediscussion about the Effects of Forests on Precipitation and Annual Runoff[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2006,21(01):1-6.
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对森林能否增加降水和年径流总量的再探讨()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第21卷
期数:
2006年01期
页码:
1-6
栏目:
林业生态建设
出版日期:
2006-01-30

文章信息/Info

Title:
Rediscussion about the Effects of Forests on Precipitation and Annual Runoff
作者:
李贵玉; 徐学选*
（西北农林科技大学 资源与环境学院 ， 陕西 杨陵 712100）
Author(s):
LI Guiyu;  XU Xuexuan
(College of Resource and Environment, Northwest A F University,Yangling Shaanxi 712100,China)
关键词:
森林; 降水; 年径流总量
Keywords:
forest;  rainfall;  annual total amount of runoff
分类号:
S715.7
文献标志码:
A
摘要:
森林对降水的影响，森林与流域年径流总量的关系是两个长期以来一直存有争议的问题。本文结合国内外几十年来在此领域的研究材料对上述问题做了重新探索、研究。研究结论指出 森林若处在迎风坡上降水起始高度与降水终止高度之间时，森林具备增雨功能，但是否表现出增流取决于降水贡献损耗平衡值；森林一般不会改变降水区域总的降水量，只是改变了降水在降雨区的雨量分布情况；研究尺度的大小因区域特殊性对研究结果产生重要影响等一系列新视角、全方位的分析结论。并提出降水贡献损耗平衡值，流域面积增流功能最佳显现区间T值（［a，b］），降水终止线，区域等降水量曲线等一系列表述水文现象的新概念。第1期李贵玉等对森林能否增加降水和年径流总量的再探讨
Abstract:
The impact of forest on precipitation and relationship between forest and annual rainfall have long been two disputable issues.Based on the research both at home and abroad in recent decades,this paper rediscusse the above problems in new visual angle and aspect.It showed that forest has the function of increasing rainfall if it is growing in a facing wing gradient between the height where rain begins and the height where rain disappears,however,whether forest can increase precipitation depends on the balance point between the forests contribution and loss for the rainfall ;forest usually cannot change the total amount of rainfall in a raining region, while it just changes the spatial distribution of the rainfall in a raining region;studying areas in different scales had also made different impacts on the results, and so on .The authors also put forward some new conceptions to describe phenomenon of hydrology, for example,the balance point between the dorests contribution and loss for rainfall ,the best range T(［ a ,b ］ ) to show the impact on increasing the amount of rainfall in different watershed areas,the height of rainfall disappering,the curves of regional rainfall.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期 20050408修回日期 20050606基金项目 国家自然基金会基金（40471126，90202011），中国科学院“西部之光”人才培养计划，中国科学院科技创新（KZCX206）作者简介 李贵玉（1981），男，山东苍山人，硕士研究生。*通讯作者 徐学选（1966），男，陕西大荔人，博士，副研究员，主要从事土壤水分生态、生态水文、水资源利用方向研究。
更新日期/Last Update: 2010-05-04