Abstract:The urban surface system is an integral part of the land surface system. And the spatio-temporal processes of urban LUCC (land use/cover change), mainly featured in covered with impervious surfaces, breaking the original physical geographic patterns and processes of the system, affecting material circulation and energy flow among different media or interfaces, and changing cycles and mechanisms of POPs, act as an indicator and an important driving force of changes in the urban environment and human-land interaction, as well as the key basis for planning and management of urban environmental protection. We begin with a comprehensive summary of effects on POPs’ distribution and migration of urban LUCC, involving spatio-temporal distribution of POPs in a single medium, migration and cumulative processes of POPs in multimedia. Secondly, the paper investigates the key progress in simulation of multimedia cycle processes and fate of urban POPs, including urban multimedia fate model and GIS-based urban multimedia fate model. Finally, the outlook for future research needs to focus on the following scientific problems: (i) technology of accurate retrieval of urban LUCC based on impervious surfaces and assimilation and integration of urban LUCC and POPs’ emission inventory, as well as other relevant data, (ii) coupling mechanism of migration and transformation processes of POPs in multimedia and multiple interfaces, (iii) establishment and derivation of key model parameters of processes and mechanisms of cycles of POPs in the context of urban LUCC, (iv) construction and application of urban multimedia fate model with high spatio-temporal resolution based on GIS and processes and mechanisms of cycles of POPs in urban areas.
刘敏, 王兰辉. 城市地表系统POPs多介质循环过程与模拟研究进展[J]. 中国环境科学, 2013, 33(11): 2018-2026.
LIU Min, WANG Lan-Hui. Research progress in multimedia cycle processes and simulation of POPs in urban surface system. CHINA ENVIRONMENTAL SCIENCECE, 2013, 33(11): 2018-2026.