区域环境功能管控区划方法及应用

doi:10.11821/dlxb202103012

Abstract

Abstract:

Environmental governance plays a pivotal role in promoting the high-quality development of environment, and the implementation of source control and zoning management is the foundation of the refined governance of environmental space. This paper aims to put forward the theoretical and technical methods of regional environmental function management and control zoning, and carry out an empirical study on Shengzhou city, Zhejiang province. First, a spatial structure model of the environmental pollution sources (EPSs) for human activities, which is composed of control units (CUs) and hierarchical control areas (HCAs), has been formed and identified. Then, the solid waste, air pollutants and water pollutants are selected as the main pollutants, and the single evaluation and weighted sum have been measured for each CU. Finally, according to the spatial classification of the CUs and the integrated eigenvalues, key countermeasures and supporting projects of each HCA are proposed. The main results are as follows: (1) Shengzhou city has a total of 18 CUs, which can be divided into 6 HCAs. HACs of levels Ⅴ and Ⅳ are the areas where pollutants are discharged intensively, with integrated eigenvalues of 11 and 10 respectively. The CUs, including refuse landfill, sewage-treatment plant, high-pollution industrial zone, livestock and poultry farm, mining area, and basic industrial zone, have hugh impact on water and atmosphere, and have great hazards. It is necessary to promote the resource utilization of industrial and mining production space in the key area of environmental governance. (2) The emissions of pollutants in the HACs of levels Ⅲ and Ⅱ are medium or even less. The CUs of level-Ⅲ HAC cover urban settlements, rural settlements and transportation land, with integrated eigenvalues of 6 and 7. It is important to improve the collection and treatment technology of solid waste and sewage in all living space. In addition, HAC of level-Ⅱ includes two CUs, which are cultivated land and garden plot, with integrated eigenvalues of 4. It has a small amount of agricultural solid waste and sewage discharge, therefore, it is urgent to solve the problems of non-point source pollution and eutrophication. (3) HACs of level-Ⅰ is composed of forest land, garden land, water area, bare land and other ecological space, with more emphasis on ecological protection function. Large scale industrialization and urbanization are prohibited in the area. HAC of level 〇 highly overlaps ecological redline, which requires complete prohibition of human activities and the elimination of external environmental impact.

Key words: regional environmental function, control unit, hierarchical control area, environmental pollution source, Shengzhou city

CHEN Yufan, XU Yong. Technical method and application of the regional environmental function management and control zoning[J].Acta Geographica Sinica, 2021, 76(3): 663-679.

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分级管控区		污染物类型	排放量	危害性	可控性	影响范围
生产和生活空间	Ⅴ级管控区	固废、废水、废气	大	有毒性、放射性等高危害性	高	影响水、土、气,程度高,范围广
	Ⅳ级管控区	固废、废水、废气	较大	存在一定危害性,但无有毒性、放射性	高	影响水、土、气,程度和范围较Ⅴ级小
	Ⅲ级管控区	固废、废水、废气	中等	少量危害性	较高,大气可控性弱	影响水和气,程度低,范围小
	Ⅱ级管控区	有机质污染物	少量	基本无危害	弱	影响水体,程度低,范围广
生态空间	Ⅰ级管控区	管控区外的污染物	微量	无	较弱	基本无影响
生态空间	〇级管控区	无人类活动污染物	零	无	高	无影响

分级管控区		污染物类型	排放量	危害性	可控性	影响范围
生产和生活空间	Ⅴ级管控区	固废、废水、废气	大	有毒性、放射性等高危害性	高	影响水、土、气,程度高,范围广
	Ⅳ级管控区	固废、废水、废气	较大	存在一定危害性,但无有毒性、放射性	高	影响水、土、气,程度和范围较Ⅴ级小
	Ⅲ级管控区	固废、废水、废气	中等	少量危害性	较高,大气可控性弱	影响水和气,程度低,范围小
	Ⅱ级管控区	有机质污染物	少量	基本无危害	弱	影响水体,程度低,范围广
生态空间	Ⅰ级管控区	管控区外的污染物	微量	无	较弱	基本无影响
生态空间	〇级管控区	无人类活动污染物	零	无	高	无影响

等级类型	排放量区间(万t/a)	主要管控单元/类型	土地面积(hm²)
排放量大	≥ 16	垃圾填埋场、污水处理厂	40.86
排放量较大	12~16	工业园区^①、采矿区、畜禽养殖场	1418.31
排放量中等	4~12	城镇、农村居民居住场所	11484.20
排放量较小	0~4	交通运输场所、耕地、园地	67961.84
无排放	0	上述以外的管控单元	98071.77

等级类型	排放量区间(万t/a)	主要管控单元/类型	土地面积(hm²)
排放量大	≥ 16	垃圾填埋场、污水处理厂	40.86
排放量较大	12~16	工业园区^①、采矿区、畜禽养殖场	1418.31
排放量中等	4~12	城镇、农村居民居住场所	11484.20
排放量较小	0~4	交通运输场所、耕地、园地	67961.84
无排放	0	上述以外的管控单元	98071.77

等级类型	主要管控单元/类型	土地面积(hm²)
排放量大	城镇、农村居民居住场所、工业园区^①、采矿区^②	12786.19
排放量较大	畜禽养殖场、垃圾填埋场、污水处理厂^③	160.81
排放量中等	耕地、园地^④	66623.79
排放量较小	交通运输场所	1338.05
无排放	上述以外的管控单元	98071.77

Technical method and application of the regional environmental function management and control zoning

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等级类型	特征值区间	主要管控单元/类型	土地面积(hm²)
排放量大	≥ 1	交通运输场所、高污染型工业场所、畜禽养殖场、垃圾填埋场、污水处理厂	1530.00
排放量较大	0.5~1	基础性工业场所、采矿区	661.98
排放量中等	0.2~0.5	普通制造业场所	609.65
排放量较小	0~0.2	城镇、农村居民点、耕地、园地	78107.99
无排放	0	上述以外的管控单元	98071.77