[1]满正闯,苏春江,徐云,等.岷江上游森林涵养水源的能力变化分析[J].水土保持研究,2007,14(03):223-225,230.
　MAN Zheng-chuang,SU Chun-jiang,XU Yun,et al.An Analysis on Water Conservation Capacity Variation of Forest in the Upper Reaches of Minjiang River[J].Research of Soil and Water Conservation,2007,14(03):223-225,230.
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岷江上游森林涵养水源的能力变化分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年03期 页码: 223-225,230 栏目: 出版日期: 1900-01-01
Title:
An Analysis on Water Conservation Capacity Variation of Forest in the Upper Reaches of Minjiang River
作者:
满正闯1,2, 苏春江1, 徐云1, 刘兴亮1,2, 张金盈3
1. 中国科学院水利部成都山地灾害与环境研究所, 成都, 610041;
2. 中国科学院研究生院, 北京, 100049;
3. 山东省国土测绘院, 济南, 250013
Author(s):
MAN Zheng-chuang1,2, SU Chun-jiang1, XU Yun1, LIU Xing-liang1,2, ZHANG Jin-ying3
1. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences & Water Resources Ministry, Chengdu 610041, China;
2. Graduate School of the Chinese Academy of Sciences, Beijing 100049, China;
3. Shandong Land Mapping Institute, Jinan 250013, China
关键词:
岷江上游; 森林植被; 水源涵养; 变化分析
Keywords:
the upper reaches of Minjiang River; forest vegetation; water conservation; variation analysis
分类号:
S727.21
摘要:
为探讨森林植被变化对水文方面的影响，客观评价近年来退耕还林等生态建设所取得的功效，以岷江上游为对象，根据森林植被、枯期径流等的变化，找出其间的关联和相应的规律.利用森林涵养水源能力的评价指标：流域最小月平均流量与年径流量之比，得出了各年段的涵养指数，并将其变化趋势与森林植被、枯期径流相比较.结果表明，森林涵养水源的能力与森林面积有很大的相关性，它随森林面积的减少而降低，随森林面积的增加而升高;尽管岷江上游森林植被遭到严重破坏，但从总体来讲，岷江流域涵养水源的能力还是特别强的，径流变化平稳，枯期水量相对丰富;退耕还林工程功效显著，大面积的退耕还林提高了涵养水源的能力，增加了枯期径流量，增强了岷江上游的生态环境安全.
Abstract:
Aiming to explore the impact on hydrological properties caused by forest coverage variation,and provide an objective estimation on the efficiency of ecological projects,such as forest restoration,the upper reaches of Minjiang River was selected as research area.According to the variation of forest vegetation,low runoff etc.,correlation and corresponding low ware concluded.Resort to evaluation water conservation capacity indices of forest, ratio of lowest month runoff in drainage area and yearly run-off,the conservation capacity index in each year was estimated.Then compare trend of index with forest vegetation and low water time slice.Result shows that there is high correlation between water conservation capacity of forest and forest area.With the reduction of forest,the water conservation capacity of forest weakened;and with an increase in forest coverage,it strengthened.Though a serious destroy in the upper reaches of Minjiang River,generally,the water conservation capacity in this area still strong,variation of runoff in a stable situation,and a comparatively rich runoff still exists.All of this confirms that the forest restoration project gain remarkable effect,restoring forest in large area enhanced regional water conservation capacity,and increased the runoff in lower water time slice,thus ecological security in the upper reaches of Minjiang River was strengthened.

参考文献/References:

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备注/Memo

收稿日期:2006-6-5
基金项目:国家973项目(2003CB415201-5);近年来长江上游退耕还草等人为活动对水资源的影响
作者简介:满正闯(1980- )，男，山东济宁人，硕士研究生，主要从事水资源利用保护的研究.

更新日期/Last Update: 1900-01-01