【摘要】 北京历史上曾以泉多而著称,但随着社会的发展和自然环境的变化,许多名泉大泉或已枯竭断流,或流量剧减。本文通过对北京市泉水野外现场调查,及对泉水样品的水质分析,总结了北京市泉水资源的现状;同时,在对泉水历史资料调研基础上,从气候、水文等因素的角度分析了泉水变化的原因。更多还原

【Abstract】 Beijing was famous for the occurrence of a lot of springs in the history.However,with the development of society and the changes in natural environment,many historically great and famous springs disappeared or declined sharply in discharge nowadays.In this paper,we investigated Beijing’s springs,analyzed water quality,and summarized their current status.Based on the historical data,the reasons for the changes of the springs were discussed from such factors as climate,hydrology,etc.更多还原