目前环境污染为全球十分关注的环境问题，人们急需研究污染物在各圈层界面的生物地球化学过程及其生态环境效应，近年来已成为国际研究的热门和前沿领域之一。湖泊与人民生活密切相关，因为它们具养殖、蓄水、发电、生活供水等重要社会和经济功能。由于人为活动，大气尘埃沉降 At present, environmental pollution is a very important environmental issue in the world. People are in urgent need of studying biogeochemical processes and their eco-environmental effects at the interface of each circle. In recent years, it has become one of the hot and frontier fields in international research. Lakes are closely related to people’s lives because of their important social and economic functions such as breeding, water storage, electricity generation and domestic water supply. Atmospheric dust settles due to human activity