山东半岛附近两次极端天气系统期间动态海洋过程的危害评估

IF 2.1 4区 地球科学 Q2 MARINE & FRESHWATER BIOLOGY
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引用次数: 0

摘要

台风和副热带气旋在山东半岛频繁发生,引发了严重的海洋动力性灾害。本研究对 1979 年至 2018 年发生的台风和副热带气旋进行了统计,并根据其路径进行了分类。利用海洋-波浪耦合模式模拟了风暴潮和灾害性海浪,评估了不同类型台风和副热带气旋下的灾害分布。通过比较发现,黄海南部转向型台风和扬子-淮气旋发生频率最高,最容易造成灾害。在风暴潮的危害方面,半岛南北海岸和东西海岸有明显的分界线。半岛西海岸更容易受到台风引起的风暴潮的影响,而半岛北海岸则更容易受到外热带气旋引起的风暴潮的影响。海浪造成的危害具有局部性。半岛海角附近的海浪危害最大,莱州湾周围的海浪危害最小,这与风暴潮危害的分布相反。灾害重点治理区的确定,为沿海开发规划提供了基础数据和技术参考,对防灾起到积极作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hazard assessment of dynamic marine processes during two extreme weather systems near the Shandong Peninsula

Typhoons and extratropical cyclones both occurred frequently on the Shandong Peninsula and have induced severe dynamic marine disasters. In this study, the typhoons and extratropical cyclones that occurred from 1979 to 2018 were counted and classified according to their tracks. We simulated the storm surge and disastrous waves using a coupled ocean-wave model and assessed the hazard distribution under different types of typhoons and extratropical cyclones. Through comparison, it was found that the southern Yellow Sea steering type typhoons and Yangtze-Huai cyclones occurred most frequently and were most likely to cause disasters. Regarding the hazard posed by the storm surge, there was a clear demarcation between the northern and southern coasts of the peninsula, as well as between the eastern and western coasts. The western coast of the peninsula was more exposed to storm surges induced by typhoons, while the northern coast of the peninsula was more exposed to storm surges induced by extratropical cyclones. The hazard posed by waves exhibited a localized characteristic. The wave hazard was the greatest near the peninsula cape and the lowest surrounding the Laizhou Bay, which was contrary to the distribution of the storm surge hazard. The identification of key management areas for disasters provides basic data and a technical reference for coastal development planning and can play a positive role in disaster prevention.

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来源期刊
Journal of Sea Research
Journal of Sea Research 地学-海洋学
CiteScore
3.20
自引率
5.00%
发文量
86
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.
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