Unveiling intra-provincial cities carbon gap: Exploring transportation emissions in ecological Vanguard

IF 7.3 1区工程技术 Q1 ENVIRONMENTAL STUDIES

Transportation Research Part D-transport and Environment Pub Date : 2025-05-07 DOI:10.1016/j.trd.2025.104799

Lanyi Zhang, Dawei Weng, Xiaojuan Wen, Yinuo Xu, Guiping Pan, Huangfan Zhang, Xisheng Hu

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Abstract

This study addresses the gap in understanding carbon emissions from transportation across intra-provincial cities in Fujian Province, China’s first ecological civilization pilot province. This research employs a top-down approach to estimate transportation carbon emissions in Fujian Province, complemented by Standard Deviation Ellipse (SDE) and Logarithmic Mean Divisia Index (LMDI) methods to analyze spatiotemporal variations and driving factors of emissions. We also incorporate a Multi-Region (M-R) decomposition model to assess the impact of economic, demographic, and land-use factors on emissions. The results reveal significant disparities among prefecture-level cities. The economic factor, land use structure, and population growth were identified as the main drivers of transportation carbon emissions, while land use output showed a significant mitigating effect, highlighting the role of improving land-use efficiency in reducing emissions. Coastal cities showed stronger emission-driving effects compared to inland areas. The findings offer targeted insights for low-carbon transportation planning and differentiated policy-making among cities.

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揭示省际城市碳差距：生态先锋交通运输排放探索

本研究解决了中国首个生态文明试点省份福建省省际城市交通运输碳排放的认识差距。本研究采用自上而下的方法估算福建省交通运输碳排放，并辅以标准差椭圆法（SDE）和对数平均分差指数法（LMDI）分析交通运输碳排放的时空变化及其驱动因素。我们还采用了一个多区域（M-R）分解模型来评估经济、人口和土地利用因素对排放的影响。结果显示，地级市之间存在显著差异。经济因素、土地利用结构和人口增长是交通运输碳排放的主要驱动因素，而土地利用产出对交通运输碳排放具有显著的缓解作用，突出了提高土地利用效率对交通运输碳排放的抑制作用。沿海城市比内陆地区表现出更强的排放驱动效应。研究结果为城市间的低碳交通规划和差别化决策提供了有针对性的见解。

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来源期刊

Transportation Research Part D-transport and Environment 工程技术-运输科技

CiteScore

14.40

自引率

9.20%

发文量

314

审稿时长

39 days

期刊介绍： Transportation Research Part D: Transport and Environment focuses on original research exploring the environmental impacts of transportation, policy responses to these impacts, and their implications for transportation system design, planning, and management. The journal comprehensively covers the interaction between transportation and the environment, ranging from local effects on specific geographical areas to global implications such as natural resource depletion and atmospheric pollution. We welcome research papers across all transportation modes, including maritime, air, and land transportation, assessing their environmental impacts broadly. Papers addressing both mobile aspects and transportation infrastructure are considered. The journal prioritizes empirical findings and policy responses of regulatory, planning, technical, or fiscal nature. Articles are policy-driven, accessible, and applicable to readers from diverse disciplines, emphasizing relevance and practicality. We encourage interdisciplinary submissions and welcome contributions from economically developing and advanced countries alike, reflecting our international orientation.