Analysis of effectiveness for cargo operation productivity considering environmental efficiency on container ports in the Northeast Asian region

IF 6.3 2区 工程技术 Q1 ECONOMICS
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引用次数: 0

Abstract

The Northeast Asia container port system has experienced a significant increase in ship calls and container throughput, resulting in a detrimental impact on the environment surrounding the port area. This is primarily caused by emissions from the hotelling phase, which is closely associated with cargo operations at the berths. This study aims to investigate ship emissions during the hotelling phase and evaluate the impact of cargo operation productivity on environmental performance. To achieve this goal, the study used a bottom-up approach to calculate the ship's emissions at the berth based on various factors such as the number of ship calls, the power of the auxiliary engines, the load factor, the emissions factor, and in-port hotelling duration of the top 20 major container ports in the region from 2017 to 2021. The outcomes revealed that the major container ports in the Northeast Asian region, including Shanghai, Ningbo, Shenzhen, Hongkong, and Busan, are emitting an enormous volume of pollutants, primarily due to the high density of ships and continuous loading and unloading operations, causing severe air pollution. The study found that improving loading/unloading productivity is an effective measure to improve the environmental quality of the port area. Furthermore, the study also revealed that handling larger ships could reduce emissions per TEU.

考虑环境效益的东北亚地区集装箱港口货物作业生产效率分析
东北亚集装箱港口系统的船舶停靠量和集装箱吞吐量大幅增加,对港区周边环境造成了不利影响。这主要是由与泊位货物作业密切相关的热舱阶段的排放造成的。本研究旨在调查热舱阶段的船舶排放情况,并评估货物作业生产率对环境绩效的影响。为实现这一目标,研究采用了自下而上的方法,根据该地区前 20 个主要集装箱港口 2017 年至 2021 年的靠泊次数、辅助发动机功率、载重系数、排放系数和港内热舱持续时间等各种因素,计算船舶在泊位的排放量。研究结果显示,东北亚地区的上海、宁波、深圳、香港、釜山等主要集装箱港口污染物排放量巨大,主要原因是船舶密度大,装卸作业连续不断,造成严重的空气污染。研究发现,提高装卸效率是改善港区环境质量的有效措施。此外,研究还发现,装卸较大型的船舶可以减少每个 TEU 的排放量。
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来源期刊
Transport Policy
Transport Policy Multiple-
CiteScore
12.10
自引率
10.30%
发文量
282
期刊介绍: Transport Policy is an international journal aimed at bridging the gap between theory and practice in transport. Its subject areas reflect the concerns of policymakers in government, industry, voluntary organisations and the public at large, providing independent, original and rigorous analysis to understand how policy decisions have been taken, monitor their effects, and suggest how they may be improved. The journal treats the transport sector comprehensively, and in the context of other sectors including energy, housing, industry and planning. All modes are covered: land, sea and air; road and rail; public and private; motorised and non-motorised; passenger and freight.
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