基于水-能-碳三维足迹的中国碳排放效率研究  

Study on Carbon Emission Efficiency Based on the Three-dimensional Footprint of Water-Energy-Carbon in China

作　　者：杨传明[1] 王帆临 沈洁 YANG Chuanming;WANG Fanlin;SHEN Jie(Urban Development Think Tank,Suzhou University of Science and Technology,Suzhou 215009,China)

机构地区：[1]苏州科技大学城市发展智库,江苏苏州215009

出　　处：《环境科学与技术》2025年第2期178-190,共13页Environmental Science & Technology

基　　金：国家社科基金一般项目:新时代中国产业水-能-碳三维全足迹立体关联及协同调控研究(22BJY130)。

摘　　要：水-能-碳足迹贯穿经济生产的各个部门,任何单一足迹变化将会产生联动效应,进而影响碳排放效率。以往的研究主要从生产过程的直接资源消耗和单一资源投入角度测算碳排放效率,较少考虑碳排放的其他来源以及由中间生产或消费产生的碳排放。为此该研究设计超效率EBM模型,分别评估基于水-能-碳三维足迹的直接碳排放效率、间接碳排放效率及综合碳排放效率,选择2002-2022年中国各省份为研究对象,分析其时空演变特征及影响因素。研究显示:直接、间接和综合碳排放效率在时间上均呈现先下降后上升的“U”型趋势,综合碳排放效率在不同程度上受直接碳排放效率和间接碳排放效率双重影响;技术进步是提升碳排放效率的主要驱动因素,直接碳排放效率技术进步指数最高,综合碳排放效率次之,间接碳排放效率最低;碳排放效率在空间上呈现东部>中部>西部>东北的梯度分布格局,效率重心集中分布在东部地区;经济发展、环境规制和科技创新是驱动碳排放效率提升的重要动力,城镇化率和产业结构对3种碳排放效率存在异质性影响,耗水强度和能源消耗则对3种碳排放效率起着抑制作用。基于此,提出对策建议以求更好提升中国各省份基于水-能-碳三维足迹的碳排放效率水平。The water-energy-carbon footprint runs through all sectors of economic production.Any change in a single footprint will have a linkage effect,which in turn affects the efficiency of carbon emissions.Previous studies have mainly calculated carbon emission efficiency from the perspective of direct resource consumption and single resource input in the production process,and rarely considered other sources of carbon emissions and carbon emissions generated by intermediate production or consumption.For this reason,a super-efficiency EBM model is designed to evaluate the direct carbon emission efficiency,indirect carbon emission efficiency and comprehensive carbon emission efficiency based on the three-dimensional footprint of water-energy-carbon.Then,provinces in China from 2002 to 2022 are selected as research objects to analyze their spatiotemporal evolution characteristics and influencing factors.The study shows that direct,indirect and comprehensive carbon emission efficiency all show a“U”-shaped trend of first decreasing and then increasing in time,and the comprehen-sive carbon emission efficiency is affected by direct carbon emission efficiency and indirect carbon emission efficiency to varying degrees;technological progress is the main driving factor for improving carbon emission efficiency,with the high-est technical progress index of direct carbon emission efficiency,followed by comprehensive carbon emission efficiency,and the lowest indirect carbon emission efficiency;carbon emission efficiency presents a gradient distribution pattern of east>central>west>northeast in space,and the efficiency center is concentrated in the eastern region;economic development,envi-ronmental regulation and technological innovation are important driving forces for improving carbon emission efficiency,urbanization rate and industrial structure have heterogeneous effects on the three carbon emission efficiencies,and water inten-sity and energy consumption play a restraining role on the three carbon emission efficiencies.Based

关 键 词：水-能-碳 投入产出 碳排放效率 时空差异 超效率EBM模型 

分 类 号：X24[环境科学与工程—环境科学]