Comprehensive regionalization of China for the assessment of chemical environmental exposure
YANG Pu-fei1, QING Meng1, LIU Li-yan1, ZHOU Lin-jun2, LIU Ji-ning2, SHI Li-li2, LI Yi-fan1
1. International Joint Research Center for Persistent Toxic Substances(IJRC-PTS), State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China; 2. Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, Nanjing 210042, China
Abstract：The development of a large-scale multi-media model for the assessment of chemical environmental exposure in China requires the corresponding regionalization of the country first. Based on spatially constrained clustering methods coupled with hydrological analysis methods, a nationwide comprehensive regionalization was achieved with ArcGIS software. This regionalization divided whole China into six comprehensive regions (CRs), including the South CR, North CR, Northwest CR, East CR, Northeast CR, and Southwest CR. Each of the six CRs again consisted of multiple small comprehensive regions, and there were a total of 38 such small regions in China. This study provided a useful method to conduct a nationwide regionalization, which could play an important role in the development of a large-scale multi-media models for the chemical exposure assessment in China.
杨朴非, 秦孟, 刘丽艳, 周林军, 刘济宁, 石利利, 李一凡. 中国化学品环境暴露评估领域的综合区划[J]. 中国环境科学, 2020, 40(9): 4115-4122.
YANG Pu-fei, QING Meng, LIU Li-yan, ZHOU Lin-jun, LIU Ji-ning, SHI Li-li, LI Yi-fan. Comprehensive regionalization of China for the assessment of chemical environmental exposure. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(9): 4115-4122.
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