自然资源学报 ›› 2001, Vol. 16 ›› Issue (5): 481-487.doi: 10.11849/zrzyxb.2001.05.014

• 论文 • 上一篇    下一篇

森林植被变化对水文过程和径流的影响效应

石培礼, 李文华   

  1. 中国科学院地理科学与资源研究所, 北京 100101
  • 收稿日期:2001-03-23 修回日期:2001-05-21 出版日期:2001-10-25 发布日期:2001-10-25
  • 作者简介:石培礼(1969-),男,重庆市人,副研究员,博士,主要从事森林生态学和植物生理生态学研究。
  • 基金资助:

    中国科学院地理科学与资源研究所知识创新工程所长基金项目(SJIOG-C00-01)资助.

Influence of forest cover change on hydrological process and watershed runoff

SHI Pei li, LI Wen hua   

  1. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101
  • Received:2001-03-23 Revised:2001-05-21 Online:2001-10-25 Published:2001-10-25

摘要: 森林植被变化对水分分配和河川径流具有调节作用。对我国森林植被变化水文效应文献的综合分析表明:森林砍伐或火灾引起森林覆盖度下降会导致林冠截留率、凋落物对降水截留能力和蓄水能力、土壤的渗透和蓄水能力降低。不同地区森林植被变化对径流的影响幅度相差较大,但比较一致的结论是:除长江中上游外,森林砍伐会降低植被层的蒸发散,增加河川径流;反之,会减少河川径流量。森林火灾会导致林木蒸发散减少,河川径流增加。

关键词: 森林砍伐, 森林火灾, 水文过程, 河川径流

Abstract:  Forest cover change plays an important role in regulating water distribution in forest and watershed runoff.Literature review and analysis of the influence of forest cover change on hydrological process and runoff showed that deforestation or forest fire can reduce the capabilities of rainfall interception in canopythroughfall interception and water conservation in litter layer and soil infiltration and water storage.The influence of forest cover change on watershed runoff presented diverse patterns in different regions.Howevera primary conclusion can be reached is that deforestation will reduce forest transpiration and enhance runoff except the Yangtze River showed a contradictory case. With similar effect forest fire will reduce vegetation transpiration and increase watershed runoff.

Key words: deforestation, forest fire, hydrological process, runoff

中图分类号: 

  • S715.3