GIS-based analysis of the spatial distribution of CO2 emissions and slow steaming effectiveness in coastal shipping

IF 2.9 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Air Quality Atmosphere and Health Pub Date : 2023-11-24 DOI:10.1007/s11869-023-01470-6
Orfeas Karountzos, Georgios Kagkelis, Christina Iliopoulou, Konstantinos Kepaptsoglou
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Abstract

The sustainability of maritime activities is increasingly gaining interest, with the shipping sector actively focusing on decarbonization efforts. Throughout the years, researchers have considered slow steaming for improving the environmental footprint of maritime networks. In order to assess such strategies’ effectiveness on existing emissions, research also focuses on the accurate estimation of emission inventories. However, there is a significant gap concerning both fields when considering short-sea shipping, especially passenger shipping. Furthermore, while emissions are characterized by spatial aspects in several studies, there is an apparent gap in considering such aspects for detailed analysis purposes rather than only for visualization purposes. In this study, the Greek Coastal Shipping Network (GCSN) is considered, with its emissions estimated using a top-down method, creating a spatial emission inventory used for further spatial analysis for accurate identification of highly polluted areas. Results indicate that ship emissions do not spread homogeneously throughout the GCSN and that targeted interventions are necessary in several areas of the network. The effectiveness of spatially related slow steaming implementations is evaluated and compared with their implementation on the whole network. The study highlights the need for additional future emission mitigation strategies, such as service optimization, network restructuring, continuous emission monitoring, and fleet renewal with more environmentally efficient ships. The study’s aim is to fill the research gap regarding the environmental assessment of passenger shipping and the effects of slow steaming on such networks while presenting an adaptable GIS-based decision support system for enhanced decision-making regarding the environmental efficiency of maritime networks.

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基于gis的沿海航运业CO2排放空间分布及缓速效益分析
海事活动的可持续性日益引起人们的兴趣,航运部门积极关注脱碳工作。多年来,研究人员一直认为慢速航行可以改善海洋网络的环境足迹。为了评估这些策略对现有排放的有效性,研究还侧重于对排放清单的准确估计。然而,在考虑短途航运,特别是客运航运时,这两个领域的差距很大。此外,虽然在一些研究中,排放具有空间方面的特征,但在为详细分析而不仅仅是为了可视化目的考虑这些方面方面存在明显的差距。在本研究中,考虑到希腊沿海航运网络(GCSN),使用自上而下的方法估计其排放量,创建空间排放清单,用于进一步的空间分析,以准确识别高污染区域。结果表明,船舶排放并不是均匀分布在整个GCSN中,在网络的几个区域有必要采取有针对性的干预措施。对空间相关慢蒸实现的有效性进行了评估,并与它们在全网上的实现进行了比较。该研究强调了未来需要采取额外的减排战略,如服务优化、网络重组、持续排放监测以及使用更环保的船舶更新船队。该研究的目的是填补客船环境评估和慢速航行对此类网络影响的研究空白,同时提出一个适应性强的基于gis的决策支持系统,以提高海事网络环境效率的决策。
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来源期刊
Air Quality Atmosphere and Health
Air Quality Atmosphere and Health ENVIRONMENTAL SCIENCES-
CiteScore
8.80
自引率
2.00%
发文量
146
审稿时长
>12 weeks
期刊介绍: Air Quality, Atmosphere, and Health is a multidisciplinary journal which, by its very name, illustrates the broad range of work it publishes and which focuses on atmospheric consequences of human activities and their implications for human and ecological health. It offers research papers, critical literature reviews and commentaries, as well as special issues devoted to topical subjects or themes. International in scope, the journal presents papers that inform and stimulate a global readership, as the topic addressed are global in their import. Consequently, we do not encourage submission of papers involving local data that relate to local problems. Unless they demonstrate wide applicability, these are better submitted to national or regional journals. Air Quality, Atmosphere & Health addresses such topics as acid precipitation; airborne particulate matter; air quality monitoring and management; exposure assessment; risk assessment; indoor air quality; atmospheric chemistry; atmospheric modeling and prediction; air pollution climatology; climate change and air quality; air pollution measurement; atmospheric impact assessment; forest-fire emissions; atmospheric science; greenhouse gases; health and ecological effects; clean air technology; regional and global change and satellite measurements. This journal benefits a diverse audience of researchers, public health officials and policy makers addressing problems that call for solutions based in evidence from atmospheric and exposure assessment scientists, epidemiologists, and risk assessors. Publication in the journal affords the opportunity to reach beyond defined disciplinary niches to this broader readership.
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