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Research on the Spatio-Temporal Distribution and Influencing Factors of Carbon Emissions in China's Power Industry
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摘要: 2020年，中国提出了碳达峰、碳中和的目标，电力行业作为重点行业，其碳排放量是能否实现碳达峰、碳中和的重要因素。为分析中国电力行业碳排放特点及影响因素，利用传统统计方法对碳排放的时空计量数据进行分析，并利用灰色关联度分析法对电力行业不同能源的碳排放计量数据进行分析。从时间数据来看，我国电力行业碳排放量逐年上升，增长率持续波动；从空间数据来看，环渤海地区的电力行业碳排放量始终处于较高水平，内蒙古、新疆的电力行业碳排放量水平呈现上升趋势，江浙沪地区的电力行业碳排放量水平呈现下降趋势；从灰色关联度分析结果来看，原煤、其他石油产品、焦炉煤气、其他天然气的碳排放量对于电力行业的碳排放量影响比较大。Abstract: In 2020, China proposed the goal of peaking carbon emissions and achieving carbon neutrality. As a key industry, the power industry's carbon emission is an important factor in achieving carbon peaking and carbon neutrality. To analyze the characteristics and influencing factors of carbon emissions in China's power industry, traditional statistical methods are used to analyze the spatio-temporal data of carbon emissions, and the grey correlation analysis method is used to analyze the carbon emissions of different energy sources in the power industry. From the aspect of time data, the carbon emissions of China's power industry have been increasing year by year, and the growth rate continues to fluctuate; From the aspect of spatial data, the carbon emissions of the power industry in the Bohai Rim region have always been at a high level. The carbon emissions of the power industry in Inner Mongolia and Xinjiang are showing an upward trend, while the carbon emissions of the power industry in the Jiangsu-Zhejiang-Shanghai district are showing a downward trend; From the results of grey correlation analysis, it can be seen that the carbon emissions of raw coal, other petroleum products, coke oven gas, and other natural gas have a significant impact on the carbon emissions of the power industry.
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Key words:
- metrology /
- carbon emission /
- spatio-temporal data /
- grey correlation analysis /
- influencing factor
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图 1 2001—2021我国电力相关行业碳排放量及增长率
Figure 1. Carbon emissions and growth rate of power industry in China from 2001 to 2021
图 2 2001—2021电力相关行业低碳能源碳排放量及其占比
Figure 2. Low carbon energy carbon emissions and their proportion of power industry from 2001 to 2021
图 3 2001—2021我国电力相关行业碳排放空间分布图
Figure 3. Spatial distribution of carbon emissions of power industry from 2001 to 2021
图 4 2001—2021原煤碳排放量及其占比
Figure 4. Carbon emissions and their proportion of raw coal from 2001 to 2021
表 1 灰色关联度分析结果
Table 1. Results of grey relation analysis
能源类型 原煤 洗精煤 其他洗煤 煤砖 焦炭 焦炉煤气 其他天然气 其他焦化产品 原油 关联度 0.968 0.540 0.820 0.749 0.675 0.858 0.832 0.664 0.483 能源类型 汽油 煤油 柴油 燃油 液化石油气 精炼天然气 其他石油产品 天然气 关联度 0.570 0.590 0.554 0.485 0.617 0.759 0.859 0.799 
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