评估新冠肺炎疫情对中国沿海港口抗疫能力的影响

IF 2.1 4区地球科学 Q2 MARINE & FRESHWATER BIOLOGY

Journal of Sea Research Pub Date : 2024-12-01 DOI:10.1016/j.seares.2024.102554

Lang Xu , Yajing Shen , Jihong Chen , Guangnian Xiao , Liying Liu

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引用次数: 0

摘要

新冠肺炎疫情严重扰乱了全球海运，中国沿海港口表现出卓越的韧性，继续在航运业中发挥着举足轻重的作用。本研究采用一级和二级指标，将弹性分为五个关键属性（冗余、灵活性、稳定性、可恢复性和可扩展性），评估了2013 - 2022年16个端口的弹性性能。为了对数据进行标准化，我们采用最小-最大归一化，然后采用熵权法对各弹性指标的表现进行评价，然后构建DBN模型来反映弹性指标的状态转换。研究结果显示，良好的财务状况对维持港口的弹性至关重要。加强财务管理，提高盈利能力，是港口可持续发展的坚实经济基础。此外，货物吞吐量和进出口贸易对港口弹性高度敏感。

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Assessing the impact of the Covid-19 epidemic on the resilience of Chinese coastal ports

The COVID-19 pandemic severely disrupted global maritime transport, while Chinese coastal ports demonstrated remarkable resilience, continuing to play a pivotal role in the shipping industry. This study categorizes resilience into five key properties (redundancy, flexibility, stability, recoverability, and scalability) using tier-1 and tier-2 indicators to evaluate the resilience performance of 16 ports from 2013 to 2022. To standardize the data, we apply the min-max normalization, followed by entropy weighting to evaluate the performance of various resilience indicators, then construct a DBN model to reflect the state transitions of resilience indicators. The findings reveal strong financial health is crucial for maintaining port resilience. Enhancing financial management and improving profitability provide a robust economic foundation for the sustainable development of ports. Additionally, cargo throughput and import-export trade are highly sensitive to port resilience.

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来源期刊

Journal of Sea Research 地学-海洋学

CiteScore

3.20

自引率

5.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The Journal of Sea Research is an international and multidisciplinary periodical on marine research, with an emphasis on the functioning of marine ecosystems in coastal and shelf seas, including intertidal, estuarine and brackish environments. As several subdisciplines add to this aim, manuscripts are welcome from the fields of marine biology, marine chemistry, marine sedimentology and physical oceanography, provided they add to the understanding of ecosystem processes.