Characteristics of Swell-like Waves in the East Coast of Korea Using Atmospheric and Wave Hindcast Data SCIE SCOPUS

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Title
Characteristics of Swell-like Waves in the East Coast of Korea Using Atmospheric and Wave Hindcast Data
Author(s)
Jeong, Sang Hun; Heo, Ki Young; Son, Jun Hyeok; Jo, Young-Heon; Choi, Jin Yong; Kwon, Jae Il
KIOST Author(s)
Jeong, Sang Hun(정상훈)Heo, Ki Young(허기영)Son, Jun Hyeok(손준혁)Choi, Jin Yong(최진용)Kwon, Jae Il(권재일)
Alternative Author(s)
정상훈; 허기영; 손준혁; 최진용; 권재일
Publication Year
2022-02
Abstract
The long-term trend of swell-like waves invading the east coast of Korea was identified by using observations and hindcast data from 1979 to 2016. We defined a swell-like wave as a wave with a height of 2 m and a peak period of 10 s on the basis of a literature review of human casualties and property damage in the region. In total, 179 swell-like wave cases were detected from 1979 to 2016, with 132 cases caused by extratropical cyclones (ETCs). The track density analysis indicated that the ETCs were mainly generated on the east coast of China, over the East/Japan Sea, and over the Kuroshio-Oyashio extension region and then moved northeast. This reflects the prevailing wind direction, which was the most significant factor in generating the swell-like waves. The number of swell-like waves has been significantly increasing since the 2000s. This increasing trend of swell-like waves is linked with the synoptic eddy activity with a correlation of 0.53. They were associated with the reversed meridional gradient of surface air temperature and the consequent negative vertical wind shear anomaly near 40° N.
ISSN
2073-4433
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/42349
DOI
10.3390/atmos13020286
Bibliographic Citation
Atmosphere, v.13, no.2, 2022
Publisher
Rotoweb Cantelli
Keywords
swell-like wave; extratropical cyclone; track density; hindcast; cyclone tracking
Type
Article
Language
English
Document Type
Article
Publisher
Rotoweb Cantelli
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