中国化学品环境暴露评估领域的综合区划

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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.

Key words： environmental exposure nationwide comprehensive regionalization clustering algorithm geographic information system

Received: 09 January 2020

PACS:

X321

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	Articles by authors
	YANG Pu-fei
	QING Meng
	LIU Li-yan
	ZHOU Lin-jun
	LIU Ji-ning
	SHI Li-li
	LI Yi-fan

Cite this article:

YANG Pu-fei,QING Meng,LIU Li-yan等. Comprehensive regionalization of China for the assessment of chemical environmental exposure[J]. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(9): 4115-4122.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2020/V40/I9/4115

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