摘要
本文从含水地层、构造、地貌等方面阐明了湖南省岩溶水的富集特征，对其埋藏条件、时空变化、水化学等进行了较系统的研究，并把岩溶水资源分为湘西北、湘中和湘南三大岩溶水资源区，并对其开发利用进行了探讨．
arbonate rocks are widely distributed over Hunan Province, with thick layers and developed karst geomorphology, Abundant karst water resources are important parts of water resources in Hunan, which are dispersed mostly in confluent syncline and fault zone as well as paldenudation plane. In karst peak clump-depression areas subterranean streams are developed well, depression and dry vally are line in distribution. In karst hill-depression areas underground water flows in the form of spring. Karst water bunies deeply under the surface of 50￣100 m in karst hill areas and 0￣20 m in karst depression, basin and flatlands, which is very heterogeneous in spatial distribution, and is different greatly in fluctuation and discharge. The types of water chemistry are principally HCO3-Ca and HCO3-CaMg. Karst water resources can be divided into three regions: Northwest Hunan karst mountain area (discharge changes greatly, water is buried deeply); South Hunan and Middle Hunan karst hill-depression areas (water is buried shallowly and its quality is good). Some measures for protecting and utilizing karst water resources rationally are put forward: 1) building reservoirs in relative aquifuge and places where the structure is simple; 2) 'stopping hole' to build reservoirs; 3) retaining subterranean streams to lift up water levels; 4) carrying out 'covering lids ' engineering; 5 ) exploiting and utilizing karst water resources in comprehensive way; 6 ) protecting head water and water quality to prevent water pollution.
出处
《热带地理》
北大核心
1994年第4期364-371,共8页
Tropical Geography
关键词
岩溶水
开发利用
湖南
水资源
Karst water resources
Characteristic
Regionalization
Exploitation and utilization
Hunan Province
