Journal of Natural Resources, Volume. 35, Issue 2, 329(2020)
Spatio-temporal distribution and its influencing factors of carbon emissions in economic zone of Zhejiang Bay Area based on urbanization
Figures & Tables(7)
Fig. 1. Spatial and temporal variations of carbon emissions in the bay area economic zone of Zhejiang province
Fig. 2. Spatial and temporal variations of carbon emissions intensity in the bay area economic zone of Zhejiang province
Fig. 4. Spatial distribution patterns of the factor coefficient in the bay area economic zone of Zhejiang province
Table 1. Definition and the statistical description of all relevant variables used in the study
View tableView in ArticleTable 1. Definition and the statistical description of all relevant variables used in the study
变量 变量含义 单位 均值 标准差 最小值 最大值 碳强度 CI 单位GDP二氧化碳排放量 kg/元 13.64 9.17 2.42 47.16 城市化水平 UR 城镇常住人口占总人口比例 % 59.55 11.17 17.56 76.8 能源消费结构 ECS 煤炭消费占能源消费总量比例 % 60.73 10.44 39.28 84.24 土地利用 CON 城市建设用地占市区面积比例 % 9.65 5.62 1.78 30.15 经济发展水平 PGDP 人均GDP 万元 63113.37 26779.19 21335 135113 产业结构2 ND 第二产业产值占GDP比例 % 49.95 6.56 33 60 人口集聚 PDEN 单位面积常住人口数 人/km2 606.6 166.4 212.08 1189.27 对外开放程度 OPEN 外商直接投资 万美元 140267.7 161961 3120 720900 技术进步 EI 单位GDP能耗 吨标准煤/万元 0.68 0.19 0.34 1.18
Table 2. Index of model evaluation
View tableView in ArticleTable 2. Index of model evaluation
模型 OLS GTWR AIC 271.6919 146.6570 R 20.5178 0.9747 AIC变化量 0 125.0349 R 2变化量0 0.4570
Table 3. Descriptive statistics of regression coefficients of influencing factors
View tableView in ArticleTable 3. Descriptive statistics of regression coefficients of influencing factors
变量 最小值 最大值 平均值 中值 标准差 PGDP -3.7778 5.9542 0.9007 0.6793 1.7537 OPEN -0.7314 4.3881 0.6819 0.2712 1.1031 2 ND -2.5147 2.6651 -0.6059 -0.8170 0.8839 UR -0.7369 3.3144 0.1508 -0.0366 0.7089 EI -0.5005 1.2328 0.1673 0.0998 0.4375 CON -0.5975 1.0518 -0.0225 -0.0479 0.2983 ECS -0.5648 0.7399 0.1728 0.2378 0.2705 PDEN -0.3742 0.6028 -0.0256 -0.0344 0.1290
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Yang SHEN, Cong-cong WANG, Chao GAO, Lei DING. Spatio-temporal distribution and its influencing factors of carbon emissions in economic zone of Zhejiang Bay Area based on urbanization[J]. Journal of Natural Resources, 2020, 35(2): 329
Paper Information
Received: May. 24, 2019
Accepted: --
Published Online: Sep. 25, 2020
The Author Email: GAO Chao (gaoqinchao1@163.com)
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