南四湖地区水环境问题探析

末次盛冰期（ＬＧＭ）是太阳辐射异常处于极低值，北半球第四纪冰流规模处于峰值，两万年来距人类环境最近但与现代气候有着巨大反差的特殊时期，７０年代以来由于新资料不断积累，气候模拟技术发展，海洋大陆冰流各圈层的相关和偶合，传统的气候指标和新的气候指标的认识和应用，以及区域性和全球性的国际合作，在ＬＧＭ古气候环境领域已经取得了巨大进展，本文根据数个国际ＬＧＭ合作计划研究成果，综述９０年代以来全球对ＬＧＭ研

Water Environment Problems in the Nansihu Lake Area

Nansihu lake, one of the major freshwater lakes in China, is regarded as important water resources in Shandong Province.With construction of the energy base and the development of social economy, many environmental problems in the utilization of water resources and the exploitation of coal resources have been raised in the area.This paper discusses the condition and causes of formation and development of these problems such as falling of ground water stage, water pollution, lake swamping, surface subsidence, soil and water erosion, soil salinization.In the end, some countermeasures of protecting the water environment of this area are put forward.