探索影响中国每个省份碳排放的因素:基于符号回归,LMDI和塔皮奥模型的综合研究
Chunjing Liu1, Weiran Lyu2, Xuanhao Zang1
1Hebei Key Lab of Power Plant Flue Gas Multi-Pollutants Control, Department of Environmental Science and Engineering, North China Electric Power University, Baoding, 071003, China.
概括
在中国减少碳排放需要了解关键驱动因素. 国内生产总值 (GDP) 对碳排放产生重大影响,而能源强度和结构也在减缓气候变化战略中发挥着关键作用.
科学领域:
- 环境科学 环境科学
- 气候变化研究 气候变化研究
- 能源政策 能源政策
背景情况:
- 碳排放是全球气候变化的主要驱动因素.
- 识别影响CE的主导因素对于有效的减少策略至关重要.
- 中国1997-2020年省级CE数据提供了一个全面的数据集用于分析.
研究的目的:
- 确定影响中国各省份碳排放的因素的重要性顺序.
- 量化各种因素对碳排放的影响程度.
- 为制定CE减少政策提供数据驱动的见解.
主要方法:
- 使用IPCC方法计算CE数据.
- 应用符号回归来确定影响因素 (GDP,IS,TP,PS,EI,ES) 的重要性.
- 利用LMDI和Tapio模型对因素影响度进行深入分析.
主要成果:
- 国内生产总值 (GDP) 被确定为驱动CE的最重要因素.
- 能源结构 (ES) 和能源强度 (EI) 是下一个最有影响力的因素.
- 人口因素 (TP,PS) 对CE的影响最小,而工业结构 (IS) 对CE的影响中等.
结论:
- 国内生产总值 (GDP) 的增长通常促进CE,而EI的减少则抑制了CE.
- 在不同省份,ES对CE的影响有所不同,有些省份经历了推广,而另一些省份则经历了抑制.
- 了解这些因素动态对于中国的双碳目标至关重要.
相关概念视频
Factors Affecting Activity Coefficient
839
The extended Debye-Hückel equation indicates that the activity coefficient of an ion in an aqueous solution at 25°C depends on three partially interdependent properties: the ionic strength of the solution, the charge of the ion, and the ion size.
The activity coefficient value for an ion is close to one when the solution has almost zero ionic strength, i.e., when the solution shows close to ideal behavior. As the ionic strength of the solution increases from 0 to 0.1 mol/L, a...
The activity coefficient value for an ion is close to one when the solution has almost zero ionic strength, i.e., when the solution shows close to ideal behavior. As the ionic strength of the solution increases from 0 to 0.1 mol/L, a...
839
Regression Analysis
5.8K
Regression analysis is a statistical tool that describes a mathematical relationship between a dependent variable and one or more independent variables.
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
5.8K
Factors Affecting Pulmonary Ventilation
1.5K
Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
1.5K
Mechanistic Models: Compartment Models in Individual and Population Analysis
65
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
65
Multiple Regression
3.0K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
3.0K


