| 湖南省不同土地利用类型碳排放特征与影响因素分析 |
| 摘要点击 129 全文点击 7 投稿时间：2024-06-04 修订日期：2024-09-03 |
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| 中文关键词 土地利用 碳排放 湖南省 时空特征 影响因素 |
| 英文关键词 land use carbon emission Hunan Province spatial and temporal characteristics influencing factors |
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| 中文摘要 |
| 核算不同土地利用类型碳排放、探究土地利用碳排放时空演变特征及其影响因素对探索城市低碳经济发展路径和气候调控政策的制定具有重要意义. 基于土地覆被和统计数据，构建土地利用碳排放核算框架，测算2010年和2019年湖南省不同土地利用类型碳排放，并采用OLS模型确定土地利用碳排放的影响因素. 结果表明：①湖南省64%以上的城市总碳排放量呈不同程度地增长，呈东高西低式分布；高碳排放城市主要位于湖南省中部，以娄底市和湘潭市为中心，向南北方向蔓延. ②建设用地上的能源消耗碳排放是湖南省最主要的碳排放来源，超九成城市建设用地上发生的碳排放占城市碳排放的85%，甚至大半占比超过95%. ③第二、三产业一直是促进碳排放增加的最主要的指标，且系数均在变大但变化幅度较小，第一产业始终对碳排放呈抑碳效应，且系数在变大且变化幅度巨大. |
| 英文摘要 |
| It is important to explore the development path of urban low-carbon economies and formulate climate control policies to analyze the spatial and temporal evolution characteristics of land use carbon emissions and their influencing factors by accounting for carbon emissions from different land use types. Our study measured the carbon emissions of different land-use types in Hunan Province in 2010 and 2019. We used the OLS model to determine the influencing factors of land use carbon emissions based on the framework for land use carbon emissions using land use and cover and statistical data. The results showed that： ① Over 64% of the cities in Hunan Province had varying degrees of growth in total carbon emissions， with an east-high and west-low distribution. Specifically， the high-carbon emission cities were mainly located in the central part of Hunan Province with Loudi and Xiangtan as the center， spreading towards the north-south direction. ② Carbon emissions from energy consumption in construction land were the main source of carbon emissions in Hunan Province. More than 90% of the carbon emissions from construction land in cities accounted for 85% of urban carbon emissions， with some cities exceeding 95%. ③ The secondary and tertiary industries had consistently been the most significant contributors to the increase in carbon emissions， with their coefficients becoming larger despite minimal changes. In contrast， the primary industry consistently exerted a carbon-suppressing effect on emissions， with its coefficients also increasing but exhibiting substantial changes. |
