中国北方岩溶水功能

Karst water function in northern China

中国北方的华北地台区分布有68.5万km2碳酸盐岩,其中蕴藏有丰富的岩溶水,总的天然资料量为108.8亿m3/a。北方岩溶水主要以岩溶泉的形式进行排泄。北方岩溶水富集程度高,动态稳定,水质良好,成为当地重要的供水水源,而且大部分泉水具有丰富的历史和文化内涵,独特自然景观等,使得北方岩溶水具有供水功能、农业灌溉功能、旅游功能及生态功能等。在国民经济发展、城市供水和能源基地建设中发挥着重要的作用。

There are 685 000 km 2 carbonate rocks in the northern China platform,which contain abundant Karst water.The total amount of natural data is 10.88 billion m 3/a.The Karst water in the north is discharged mainly in the form of Karst springs.The Karst water in northern China is highly enriched,dynamic and stable,with good water quality.Most of the springs have rich historical and cultural connotations,unique natural landscape and so on,which make the Karst water in northern China have water supply function,agricultural irrigation function,tourism function and ecological function.The Karst water plays an important role in national economic development,urban water supply and energy base construction.