西北地区地下水的地质生态环境调节作用研究  

ECOLOGICAL ENVIRONMENT ADJUSTMENT BY GROUNDWATER IN NORTHWEST CHINA

作　　者：崔亚莉[1] 邵景力[1] 韩双平[2] 

机构地区：[1]中国地质大学水资源与环境工程系,北京100083 [2]国土资源部水文地质环境地质研究所,河北石家庄050803

出　　处：《地学前缘》2001年第1期191-196,共6页Earth Science Frontiers

基　　金：国家"九五"重点科技攻关资助项目!( 96912 0 10 3 );国家重点基础研究发展规划 ( 973 )资助项目!(G19990 43 6)

摘　　要：针对西北干旱区特定的生态环境条件 ,通过凝结水对沙生植物作用的分析以及地下水位埋深对植物生长和土壤盐渍化影响的分析 ,探讨了地下水对生态环境的控制作用 ,认为地下水埋深及包气带水分运动状况 ,是主要生态环境指标 ,保持合理的生态地下水位是防治植物死亡和土地荒漠化的关键 ;维持适度的地下水位埋深 ,可以控制土壤水盐运移和均衡 ,达到改良土壤和改善地质生态环境的目的。文中还探讨了塔里木河和玛纳斯河流域水资源开发利用对生态环境的影响。Ecological environment related to water resources is the most important problem for development of Northwest China Groundwater is main part of water resources and plays an important role in water supply and control of ecological environment in Northwest China Based on the analysis of the effect of condensation water on the growth of plants and the influence of the depth to groundwater on the growth of plants and degree of salty soil, this paper deals with the control process of groundwater on the ecological environment It shows that the depth to groundwater is the main factor controlling the water balance and the movement of water and salt in vadose zone So maintaining suitable groundwater table can prevent from land desertification and vegetation languishment As examples, the ecological environment changes due to the water resources development in Tarim River basin and Manas River basin, Xinjiang province are discussed

关 键 词：地下水 地质生态环境 凝结水 潜水埋深 盐渍化 沙生植物 西北地区 

分 类 号：X143[环境科学与工程—环境科学]