Analysis of CO2 Emissions and the Mechanism of the Industrial Enterprises above Designated Size (IEDS) in Resource-based Cities by Application of Geographical Detector Technology

doi:10.5814/j.issn.1674-764X.2019.05.010

Abstract

Abstract:

Resource-based cities are the most important players in responding to climate change and achieving low carbon development in China. An analysis of relevant data (such as the energy consumption) showed an inter-city differentiation of CO₂emissions from energy consumption, and suggested an influence of the Industrial Enterprises above Designated Size (IEDS) in resource-based industrial cities at the prefecture level and above in different regions. Then by geographical detector technology, the sizes of each influencing mechanism on CO₂ emissions from energy consumption of the IEDS were probed. This analysis showed that significant spatial differences exist for CO₂ emissions from energy consumption and revealed several factors which influence the IEDS in resource-based cities. (1) In terms of unit employment, Eastern and Western resource-based cities are above the overall level of all resource-based cities; and only Coal resource-based cities far exceeded the overall level among all of the cities in the analysis. (2) In terms of unit gross industrial output value, the Eastern, Central and Western resources-based cities are all above the overall level for all the cities. Here also, only Coal resource-based cities far exceeded the overall level of all resources-based cities. Economic scale and energy structure are the main factors influencing CO₂ emissions from energy consumption of the IEDS in resource-based cities. The factors influencing CO₂ emissions in different regions and types of resource-based cities show significant spatial variations, and the degree of influence that any given factor exerts varies among different regions and types of resource-based cities. Therefore, individualized recommendations should be directed to different regions and types of resource-based cities, so that the strategies and measures of industrial low carbon and transformation should vary greatly according to the specific conditions that exist in each city.

Key words: resource-based cities, Industrial enterprises above designated size, CO₂ emissions from energy consumption, mechanism analysis, geographical detector

ZHANG Wang. Analysis of CO₂ Emissions and the Mechanism of the Industrial Enterprises above Designated Size (IEDS) in Resource-based Cities by Application of Geographical Detector Technology[J]. Journal of Resources and Ecology, 2019, 10(5): 537-545.

Figures/Tables 8

References 17

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Variable symbol	Variable type	Description
Y	Dependent	The CO₂ emissions from industrial energy consumption by the IEDS in resource-based cities
X1	Independent	Sector employment in each city
X2	Independent	Economic scale (ratio of industrial output value to sector employment) of each city
X3	Independent	Energy efficiency (the ratio of total energy consumption to industrial output) of each city
X4	Independent	Energy structure (sum of the ratios of energy consumption from coal to consumption of coal, petroleum, natural gas, heat and electricity, respectively) of each city

Variable symbol	Variable type	Description
Y	Dependent	The CO₂ emissions from industrial energy consumption by the IEDS in resource-based cities
X1	Independent	Sector employment in each city
X2	Independent	Economic scale (ratio of industrial output value to sector employment) of each city
X3	Independent	Energy efficiency (the ratio of total energy consumption to industrial output) of each city
X4	Independent	Energy structure (sum of the ratios of energy consumption from coal to consumption of coal, petroleum, natural gas, heat and electricity, respectively) of each city

Variable	Y	X1	X2	X3	X4
Y	1
X1	0.247^*	1
X2	-0.090	-0.252^*	1
X3	0.672^**	-0.068	-0.328^**	1
X4	0.066	0.089	0.284^*	-0.144	1

Variable	Y	X1	X2	X3	X4
Y	1
X1	0.247^*	1
X2	-0.090	-0.252^*	1
X3	0.672^**	-0.068	-0.328^**	1
X4	0.066	0.089	0.284^*	-0.144	1

Variable	Average	Standard deviation	Maximum value	Minimum value
CO₂ emissions (×10⁴ t)	7519.81	8425.11	42716.77	56.89
Sector employment (×10⁴ person)	20.18	14.12	77.80	4.32
Scale of the economy (×10⁴ yuan per person)	112.68	86.00	451.14	7.46
Energy efficiency (tons per 10⁴ yuan)	2.55	4.24	21.28	0.01
Energy structure	1.81	2.75	21.52	1.00

Analysis of CO₂ Emissions and the Mechanism of the Industrial Enterprises above Designated Size (IEDS) in Resource-based Cities by Application of Geographical Detector Technology

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Figures/Tables 8

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Region name	Sector employment	Economic scale	Energy efficiency	Energy structure
Eastern industrial cities	0.4302	0.5635	0.0001	0.8116
Central industrial cities	0.9976	0.9971	0.0001	0.3520
Western industrial cities	0.4250	0.9674	0.5435	0.9452
Northeast industrial cities	0.0871	0.9943	0.8539	0.5584
Overall level for all of the industrial cities	0.5094	0.9855	0.0196	0.8529

Resource-based city type	Sector employment	Economic scale	Energy efficiency	Energy structure
Coal	0.6614	0.9986	0.2886	0.8394
Nonferrous metal	0.2879	0.8376	0.8388	0.2609
Ferrous metal	0.5209	0.7512	0.0001	0.1702
Nonmetal	0.0430	0.0757	0.7073	0.8722
Oil and Gas	0.5265	0.7371	0.7154	0.5697
Industrial cities overall	0.5094	0.9855	0.0196	0.8529

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