日本的海啸与2022年1月汤加火山爆发有关

IF 1.7 4区地球科学 Q4 METEOROLOGY & ATMOSPHERIC SCIENCES

Sola Pub Date : 2022-02-05 DOI:10.31223/x55k8v

R. Kataoka, S. Winn, E. Touber

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引用次数: 8

摘要

2022年1月，Hunga Tonga-Hunga Ha 'apai水下火山喷发释放的气压兰姆波到达日本，随后在日本许多地区观测到大振幅的气象海啸。基于将气压脉冲谱转换为海啸谱的单一传递函数，对日本地理空间信息管理局12个潮汐站潮汐数据的功率谱进行建模。压力脉冲谱是由Weathernews Inc.在日本分布的约1500个Soratena天气传感器的集合平均得到的。观测到的海啸频谱可以通过中尺度压力脉冲激发的各站点的增强震特征模态来表征，这有助于积累必要的知识，以了解日本不同地区的潜在危险。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Meteotsunamis in Japan associated with the Tonga Eruption in January 2022

Large-amplitude meteotsunamis were observed in many areas in Japan, following the arrival of barometric Lamb waves emitted by an underwater volcanic eruption of Hunga Tonga-Hunga Ha‘apai in January 2022. We modeled the power spectra of the tidal level data obtained from 12 tide stations of the Geospatial Information Authority of Japan, based on a single transfer function which converts the barometric pressure pulse spectra into the meteotsunami spectra. The pressure pulse spectra are obtained from the ensemble average of ~1500 Soratena weather sensors of Weathernews Inc. distributed over Japan. The observed meteotsunami spectra can be characterized by the enhanced seiche eigenmodes at each station excited by the mesoscale pressure pulse, which contributes for accumulating the necessary knowledge to understand the potential dangers in various different areas over Japan.

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来源期刊

Sola 地学-气象与大气科学

CiteScore

3.50

自引率

21.10%

发文量

审稿时长

>12 weeks

期刊介绍： SOLA (Scientific Online Letters on the Atmosphere) is a peer-reviewed, Open Access, online-only journal. It publishes scientific discoveries and advances in understanding in meteorology, climatology, the atmospheric sciences and related interdisciplinary areas. SOLA focuses on presenting new and scientifically rigorous observations, experiments, data analyses, numerical modeling, data assimilation, and technical developments as quickly as possible. It achieves this via rapid peer review and publication of research letters, published as Regular Articles. Published and supported by the Meteorological Society of Japan, the journal follows strong research and publication ethics principles. Most manuscripts receive a first decision within one month and a decision upon resubmission within a further month. Accepted articles are then quickly published on the journal’s website, where they are easily accessible to our broad audience.