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Application of information technology in transportation operation: A benchmarking approach by ISM MICMAC analysis 信息技术在交通运营中的应用:通过 ISM MICMAC 分析确定基准方法
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-09-04 DOI: 10.1016/j.sftr.2024.100294
Santosh Kumar, Sandeep Varshneya

This study compares the obstacles to the efficient integration of Information Technology into Transportation services. In order to comprehend the significance and connections between the identifying criteria, a hybrid Interpretive Structural Modelling (ISM) and Matrix Impact Cross Multiplication Applied to Classification (MICMAC) analysis was performed. Based on the experts’ opinion, Government factors, financial restrictions, sector restrictions, firm-related restrictions, and a shift in demand are the five factors that emerged. According to the ISM-based study model, the Information Technology - enabled applications in Transportation services operations is driven by governmental restrictions, then financial constraints, construction industry constraints, and firm-related constraints.

本研究比较了将信息技术有效融入运输服务的障碍。为了理解识别标准之间的意义和联系,我们采用了解释性结构建模(ISM)和矩阵影响交叉乘法应用于分类(MICMAC)的混合分析方法。根据专家的意见,政府因素、金融限制、行业限制、企业相关限制和需求变化是出现的五个因素。根据基于 ISM 的研究模型,信息技术在运输服务业务中的应用是由政府限制推动的,然后是金融限制、建筑行业限制和企业相关限制。
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引用次数: 0
Research and development efficiency, state-owned enterprises, and carbon intensity in China 中国的研发效率、国有企业和碳强度
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-09-03 DOI: 10.1016/j.sftr.2024.100291
Xiang Chen , Yanan Liu

This study investigates the effects and transmission mechanisms of research and development (R & D) efficiency and the proportion of state-owned enterprises (SOEs) on carbon intensity using data from 30 Chinese provinces. The findings show that improving R & D efficiency can lower carbon intensity by promoting technological progress. However, more SOEs can increase carbon intensity by inhibiting technological progress. Thus, a higher proportion of SOEs can reduce the positive impact of R & D efficiency on decreasing carbon intensity. Additionally, the proportion of SOEs has a moderating effect that extends beyond provincial boundaries, resulting in spatial spillover due to strong interconnections between provinces. Heterogeneity analysis indicates that this moderating effect is particularly pronounced in the central and western regions, as well as in the electricity sector. This variation is due to differences in economic development levels and government priorities. Given the characteristics of China’s carbon intensity, policymakers should shift from a one size fits all carbon reduction policy to prioritizing enhancing R & D efficiency, boosting the innovation capabilities of SOEs, and considering spatial linkages and regional disparities.

本研究利用中国 30 个省份的数据,研究了研发效率和国有企业比例对碳强度的影响和传导机制。研究结果表明,提高研发效率可以促进技术进步,从而降低碳强度。然而,更多的国有企业会抑制技术进步,从而增加碳强度。因此,国有企业比例越高,研发效率对降低碳强度的积极影响就越小。此外,国有企业的比例还具有超越省界的调节作用,由于省与省之间的紧密联系,会产生空间溢出效应。异质性分析表明,这种调节效应在中西部地区以及电力行业尤为明显。这种差异是由于经济发展水平和政府工作重点的不同造成的。鉴于中国碳强度的特点,政策制定者应从 "一刀切 "的碳减排政策转向优先提高研发效率、提升国有企业创新能力、考虑空间联系和地区差异。
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引用次数: 0
Research and analysis of urban-rural residential carbon emissions in China 中国城乡居民碳排放研究与分析
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-09-02 DOI: 10.1016/j.sftr.2024.100287
Ailin Liang, Zhao Tian, Chengzhi Xiang

Residential carbon emissions are an important component of anthropogenic carbon emissions. a significant increase in residential carbon emissions has become a reality under the global urbanization process. In this context, this paper built a feature combination value model based on NPP-VIIRS nighttime light remote sensing data, and divided urban-rural areas through breakpoint analysis method and reference comparison method. Then, explored the characteristics and differences of residential carbon emissions and per capita residential carbon emissions in nine different levels of cities in 2019 from the perspective of urban-rural areas. The results indicate that the residential carbon emissions and per capita residential carbon emissions shows the spatial distribution characteristics of first tier cities>second tier cities>third tier cities. Among them, the residential carbon emissions in Beijing, Guangzhou, Nanjing, Taiyuan show a distribution pattern of urban>urban-rural fringe>rural. The residential carbon emissions in Shijiazhuang, Wuxi, Xiangyang, Zunyi, Huai’an show a distribution pattern of rural>urban-rural fringe>urban. The per capita residential carbon emissions of urban areas are relatively low, while the per capita residential carbon emissions of rural areas are relatively high, show a distribution pattern of rural>urban-rural fringe >urban. The results can help the Chinese government balance the needs of urban-rural development in different levels of cities, so as to formulate targeted carbon emission reduction policies and achieve low-carbon goals.

居民碳排放是人为碳排放的重要组成部分。在全球城市化进程中,居民碳排放大幅增加已成为现实。在此背景下,本文基于 NPP-VIIRS 夜间光照遥感数据建立了特征组合值模型,并通过断点分析法和参照比较法对城乡区域进行了划分。然后,从城乡区域角度探讨了2019年9个不同级别城市居民碳排放量和人均居民碳排放量的特征与差异。结果表明,居民碳排放量和人均居民碳排放量呈现出一线城市>二线城市>三线城市的空间分布特征。其中,北京、广州、南京、太原的居住碳排放呈现出城市>城乡边缘>农村的分布格局。石家庄、无锡、襄阳、遵义、淮安的居住碳排放量则呈现农村>城市-农村边缘>城市的分布格局。城市地区的人均居住碳排放量相对较低,而农村地区的人均居住碳排放量相对较高,呈现出农村>城市-农村边缘>城市的分布格局。研究结果有助于中国政府平衡不同级别城市的城乡发展需求,从而制定有针对性的碳减排政策,实现低碳目标。
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引用次数: 0
Critical review of the drivers and barriers for adopting net zero carbon procurement for construction projects 对建筑项目采用净零碳采购的驱动因素和障碍的严格审查
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-09-01 DOI: 10.1016/j.sftr.2024.100284
Robert Osei-Kyei , Timur Narbaev , Jin Xiaohua , Ursa Komac , Isaac Akomea-Frimpong , Gabriel Castelblanco

To meet the net zero 2050 target in construction, a net-zero carbon public procurement policy is needed. This paper adopts a systematic review approach to explore the drivers and barriers to adopting net-zero carbon procurement. The top three drivers include developing sustainable public procurement policies, increasing investment in low-carbon procurements, and high demand for green construction projects. The top three barriers include inadequate budget for net-zero procurement implementation, weak capacity in public and private institutions to implement net-zero policies, and low stakeholder involvement. The paper's findings provide insights for stakeholders to effectively adopt net-zero carbon procurement for construction projects.

为实现 2050 年建筑业净零碳目标,需要制定净零碳公共采购政策。本文采用系统回顾的方法,探讨了采用净零碳采购的驱动因素和障碍。前三大驱动因素包括制定可持续的公共采购政策、增加对低碳采购的投资以及对绿色建筑项目的高需求。前三大障碍包括实施净零碳采购的预算不足、公共和私营机构实施净零碳政策的能力薄弱以及利益相关者参与度低。本文的研究结果为利益相关者有效采用建筑项目净零碳采购提供了启示。
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引用次数: 0
Patterns of change, driving forces and future simulation of LULC in the Fuxian Lake Basin based on the IM-RF-Markov-PLUS framework 基于 IM-RF-Markov-PLUS 框架的抚仙湖流域土地利用、土地利用变化和土地利用变化的模式、驱动力和未来模拟
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-09-01 DOI: 10.1016/j.sftr.2024.100289
Zhiqiang Lin , Shuangyun Peng , Dongling Ma , Shuangfu Shi , Ziyi Zhu , Jiaying Zhu , Luping Gong , Bangmei Huang

Studying land use and land cover (LULC) patterns, identifying driving forces, and simulating future scenarios are vital for grasping the complex connection between human actions and the environment. This helps in shaping sustainable land management strategies and preparing for the impacts of climate change. However, there is a necessity for a comprehensive system modeling framework that can accurately capture spatial and temporal changes in LULC, analyze driving mechanisms, and provide an integrated analysis of future simulations. In this paper, a comprehensive IM-RF-Markov-PLUS analysis framework is developed, focusing on the Fuxian Lake Basin (FLB) as a study area. The study aims to achieve accurate prediction of LULC by combining the microscopic LULC change trend and the contribution of macroscopic driving forces. The results show that: (1) The IM-RF-Markov-PLUS framework can explore the change patterns and driving mechanisms of LULC in the FLB, and accurately predict the LULC in the FLB. Compared with the PLUS model, its accuracy is improved by 2 %. (2) IM analysis reveals that LULC transformation in the FLB is both general and specific. Although the area of grassland, buildings, roads and structures converted to desert and bare land is minimal, it shows relatively tendentious and specific change characteristics. (3) Different land types are significantly affected by driving factors, with the expansion of LULCs is constrained by major factors. The distance to the lake has the most significant impact on the distribution of garden land, while the primary road has the greatest impact on the distribution of forestland. (4) Under different scenarios, the spatial heterogeneity of LULC patterns is obvious. In 2035, under baseline and economic development scenarios, cultivated land will decrease, while other LULC types will increase. Under the cultivated land protection scenario, cultivated land is protected, with an increase of 5.85 %. Under the ecological protection scenario, there is an increase in ecological land. The largest increase is in forestland, which increases by a total of 3.46 %. The ecological protection scenario presents a viable approach for ensuring the sustainable development of the FLB. The results of this paper may serve as a reliable foundation for implementing LULC strategies in the FLB and offer guidance for crafting sustainable development regulations at the regional level.

研究土地利用和土地覆被 (LULC) 模式、确定驱动力和模拟未来情景,对于把握人类行为与环境之间的复杂联系至关重要。这有助于制定可持续的土地管理战略,并为应对气候变化的影响做好准备。然而,有必要建立一个全面的系统建模框架,以准确捕捉 LULC 的时空变化,分析驱动机制,并对未来模拟进行综合分析。本文以抚仙湖流域(FLB)为研究区域,建立了 IM-RF-Markov-PLUS 综合分析框架。该研究旨在结合微观 LULC 变化趋势和宏观驱动力的贡献,实现对 LULC 的精确预测。研究结果表明(1)IM-RF-Markov-PLUS 框架能够探索 FLB 中 LULC 的变化规律和驱动机制,并准确预测 FLB 中的 LULC。与 PLUS 模型相比,其精度提高了 2%。(2) IM 分析表明,FLB 中 LULC 的变化既有普遍性又有特殊性。虽然草地、建筑物、道路和构筑物转化为荒漠和裸地的面积很小,但却表现出相对倾向性和特殊性的变化特征。(3)不同土地类型受驱动因素影响显著,土地利用、土地利用变化和土地利用变化的扩展受到主要因素的制约。距离湖泊的远近对园地的分布影响最大,而一级公路对林地的分布影响最大。(4) 在不同情景下,土地利用、土地利用变化(LULC)格局的空间异质性明显。2035 年,在基准情景和经济发展情景下,耕地将减少,而其他 LULC 类型将增加。在耕地保护情景下,耕地得到保护,增加了 5.85%。在生态保护情景下,生态用地有所增加。增加最多的是林地,共增加了 3.46%。生态保护方案为确保森林和林地的可持续发展提供了一种可行的方法。本文的研究结果可作为在 FLB 实施 LULC 战略的可靠依据,并为在区域层面制定可持续发展法规提供指导。
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引用次数: 0
French economy and clean energy transition: A macroeconomic multi-objective extended input-output analysis 法国经济与清洁能源转型:宏观经济多目标扩展投入产出分析
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-09-01 DOI: 10.1016/j.sftr.2024.100285
Viktor Lochot , Kaveh Khalilpour , Andrew F.A. Hoadley , Daniel Rojas Sánchez

The complexity of a sustainable economy is rooted in its socio-economic and environmental intricacies, particularly in formulating pathways for the harmonious integration of these parameters. This study introduces an extended input-output analysis and a multi-objective optimisation framework designed to discern trajectories for reducing CO2 emissions while simultaneously maximising GDP and employment. The economic alterations are evaluated through metrics facilitating the examination of both direct and indirect consequences stemming from perturbations within the economy. The focus of this research centres on the French economy, concentrating on pivotal sectors where reducing demand could yield the greatest reduction in CO2 emissions with minimal socio-economic ramifications. Additionally, a model is outlined for energy substitution, wherein fossil fuels in the French electricity mix are supplanted with clean energies. The ensuing effects of such a model on emission reduction pathways are scrutinised, followed by a comparison with the baseline case study.

可持续经济的复杂性源于其社会经济和环境的错综复杂,特别是在制定和谐整合这些参数的路径方面。本研究引入了扩展的投入产出分析和多目标优化框架,旨在找出减少二氧化碳排放的轨迹,同时最大限度地提高国内生产总值和就业率。经济变化通过指标进行评估,便于检查经济内部扰动产生的直接和间接后果。这项研究的重点是法国经济,集中在一些关键部门,在这些部门中,减少需求可以最大限度地减少二氧化碳排放,同时将社会经济影响降到最低。此外,还概述了一个能源替代模型,即用清洁能源取代法国电力组合中的化石燃料。该模型对减排途径的影响将在与基线案例研究进行比较后得到详细分析。
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引用次数: 0
Corporate credit risk modeling under carbon pricing uncertainty: A Knightian uncertainty approach 碳定价不确定性下的企业信贷风险建模:奈特不确定性方法
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-08-30 DOI: 10.1016/j.sftr.2024.100283
Chabi Marcellin Daki Dominique, Yixiang Tian

This study examines the financial implications of carbon pricing policies within the Knightian uncertainty framework. Employing a dynamic behavioural credit risk model driven by Lévy jump-diffusion, we scrutinise how carbon pricing uncertainty influences default probability and securities value. We explore investors' strategic responses to ambiguity and assess their impact on their investment decisions. Our findings reveal that carbon pricing uncertainty exacerbates the margin of default risk, has a moderating effect on stock value, and makes investors more cautious, thereby altering corporate capital structures. This study contributes to the discourse on carbon credit risk assessment and sustainable finance by addressing policy-driven uncertainties in the financial markets.

本研究在奈特不确定性框架内探讨了碳定价政策的财务影响。我们采用由勒维跳跃扩散驱动的动态行为信用风险模型,仔细研究了碳定价的不确定性如何影响违约概率和证券价值。我们探讨了投资者对不确定性的策略反应,并评估了这些反应对投资者投资决策的影响。我们的研究结果表明,碳定价的不确定性加剧了违约风险的幅度,对股票价值产生了调节作用,并使投资者更加谨慎,从而改变了企业的资本结构。本研究通过探讨金融市场中政策驱动的不确定性,为碳信用风险评估和可持续金融的讨论做出了贡献。
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引用次数: 0
Spatiotemporal characteristics and multi-scenario simulation of land use change and ecological security in the mountainous areas: Implications for supporting sustainable land management and ecological planning 山区土地利用变化与生态安全的时空特征和多情景模拟:支持可持续土地管理和生态规划的意义
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-08-30 DOI: 10.1016/j.sftr.2024.100286
Quan Wang , Xuepiao Bai , Dandan Zhang , Haijun Wang

The acceleration of global urbanization has intensified land use activities, which threaten the ecological environment and hinder the achievement of sustainable socioeconomic development goals. With the background of continuous land use expansion, the reasonable management of land use and ecological protection has increasingly become an important issue. This study constructs an ecological security (ES) index to evaluate the ES pattern, and employs the Future Land-Use Simulation (FLUS) model for multi-scenario simulation of land use patterns in mountainous areas. The results showed that from 2000 to 2020, cultivated land and grassland showed a sharp decrease, with areas of −128.64 and −228.18 km² respectively, while forest land, urban land, and other construction land increased, with areas of 116.12, 31.21, and 120.69 km² respectively. Over time, the mountainous areas mainly exhibited low and moderate ES patterns. Furthermore, for 2020–2030, under the natural development scenario, cultivated land, forest land, and grassland will show a decrease, while urban and other construction land will show a sharp increase. In contrast, under the ecological protection scenario, ecological land will show significant increase, and the patch expansion of urban construction land will be smaller. These results confirm the positive contribution of ES protection effects to improving the land use development, and support insightful guidance for formulating policies on ecological management in mountainous areas.

全球城市化进程的加快加剧了土地利用活动,威胁着生态环境,阻碍了社会经济可持续发展目标的实现。在土地利用不断扩张的背景下,土地利用的合理管理和生态保护日益成为一个重要问题。本研究构建了生态安全(ES)指数来评价生态安全格局,并采用未来土地利用模拟(FLUS)模型对山区土地利用格局进行了多情景模拟。结果表明,从 2000 年到 2020 年,耕地和草地面积急剧减少,分别为-128.64 和-228.18 平方公里;林地、城市用地和其他建设用地面积有所增加,分别为 116.12、31.21 和 120.69 平方公里。随着时间的推移,山区主要呈现出低度和中度 ES 模式。此外,2020-2030 年,在自然发展情景下,耕地、林地和草地将减少,而城市和其他建设用地将急剧增加。相比之下,在生态保护情景下,生态用地将显著增加,城市建设用地的成片扩张将较小。这些结果证实了生态保护效应对改善土地利用发展的积极贡献,并为制定山区生态管理政策提供了有见地的指导。
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引用次数: 0
The effect of supply chain integration, management commitment, and sustainable supply chain practices on non-profit organizations performance using SEM-FsQCA: Evidence from Afghanistan 利用 SEM-FsQCA 分析供应链整合、管理承诺和可持续供应链实践对非营利组织绩效的影响:来自阿富汗的证据
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-08-23 DOI: 10.1016/j.sftr.2024.100282
Sayed Khalid Shahzad, Ilyas Masudin, Fien Zulfikarijah, Tsiqatun Nasyiah, Dian Palupi Restuputri

This study explores the impact of supply chain integration, management commitment, and sustainable supply chain practices on the performance of non-profit organizations in Afghanistan. Using Structural Equation Modeling (SEM) and Fuzzy-set Qualitative Comparative Analysis (FsQCA) with 169 participants, it finds that supply chain integration enhances sustainable supply chain practices and overall performance. Management commitment improves sustainable supply chain practice, while supply chain challenges significantly affect organizational performance. FsQCA reveals key factors like sustainable supply chain practices and management commitment, highlighting their contribution to positive outcomes. Overcoming supply chain challenges within an integrated framework is crucial for non-profit performance enhancement.

本研究探讨了供应链整合、管理承诺和可持续供应链实践对阿富汗非营利组织绩效的影响。通过对 169 名参与者进行结构方程建模(SEM)和模糊集定性比较分析(FsQCA),研究发现供应链整合可提高可持续供应链实践和整体绩效。管理承诺改善了可持续供应链实践,而供应链挑战则显著影响了组织绩效。FsQCA 揭示了可持续供应链实践和管理承诺等关键因素,突出了它们对积极成果的贡献。在综合框架内克服供应链挑战对于提高非营利组织的绩效至关重要。
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引用次数: 0
Techno-economic optimization of hybrid renewable energy system for islands application 岛屿应用混合可再生能源系统的技术经济优化
IF 3.3 2区 社会学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2024-08-22 DOI: 10.1016/j.sftr.2024.100281
Mohammad Toudefallah , Panagiotis Stathopoulos

This study evaluates the effects of time resolution on the optimization results of a renewable energy system for an off-grid island. The assessment uses a multi-objective genetic algorithm (MOGA) applied to Tilos Island in Greece. Three objective functions—levelized cost of electricity (LCOE), renewable ratio (RR), and profit—are considered across four distinct scenarios with six variables representing the number of renewable technologies. These cases are implemented using three time resolutions: minute-by-minute, 15-minute, and hourly. A significant difference in results is observed based on the time resolution used. With hourly data optimization, 100 % renewable energy coverage is achievable at Tilos’ current diesel generator cost (0.46 $/kWh). However, using minute-by-minute data, renewable energy coverage ranges from 85.87 % to 95.64 %, depending on the scenario. The primary reason for this discrepancy is the volatile nature of demand and power generation on Tilos Island. The analysis further indicates that the differences between minute-by-minute and hourly optimization diminish as the volatility of the input data to the algorithm decreases.

本研究评估了时间分辨率对离网岛屿可再生能源系统优化结果的影响。评估采用多目标遗传算法 (MOGA),应用于希腊的蒂洛斯岛。在四个不同的方案中考虑了三个目标函数--平准化电力成本 (LCOE)、可再生比例 (RR) 和利润,其中六个变量代表了可再生技术的数量。这些情况通过三种时间分辨率来实现:每分钟、15 分钟和每小时。根据所使用的时间分辨率,可以观察到结果存在明显差异。通过每小时数据优化,以 Tilos 目前的柴油发电机成本(0.46 美元/千瓦时)计算,可再生能源覆盖率可达到 100%。然而,使用逐分钟数据时,可再生能源覆盖率从 85.87 % 到 95.64 % 不等,视情况而定。造成这种差异的主要原因是蒂洛斯岛的需求和发电量不稳定。分析进一步表明,随着算法输入数据波动的减小,逐分钟优化和逐小时优化之间的差异也会减小。
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引用次数: 0
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