Next Article in Journal
Development of Raman Lidar for Remote Sensing of CO2 Leakage at an Artificial Carbon Capture and Storage Site
Next Article in Special Issue
Stepped Frequency Microwave Radiometer Wind-Speed Retrieval Improvements
Previous Article in Journal
Joint SAR Image Time Series and PSInSAR Data Analytics: An LDA Based Approach
Previous Article in Special Issue
An Empirical Algorithm to Retrieve Significant Wave Height from Sentinel-1 Synthetic Aperture Radar Imagery Collected under Cyclonic Conditions
Article

Seismological Observations of Ocean Swells Induced by Typhoon Megi Using Dispersive Microseisms Recorded in Coastal Areas

1
Marine Acoustics and Remote Sensing Laboratory, Zhejiang Ocean University, Zhoushan 316021, China
2
State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China
3
Global Science and Technology, National Oceanic and Atmospheric Administration (NOAA)-National Environmental Satellite, Data, and Information Service (NESDIS), College Park, MD 20740, USA
*
Authors to whom correspondence should be addressed.
Remote Sens. 2018, 10(9), 1437; https://doi.org/10.3390/rs10091437
Received: 14 August 2018 / Revised: 30 August 2018 / Accepted: 6 September 2018 / Published: 8 September 2018
(This article belongs to the Special Issue Tropical Cyclones Remote Sensing and Data Assimilation)
Typhoons in the western Pacific Ocean can generate extensive ocean swells, some of which propagate toward Taiwan, Luzon, and the Ryukyu Islands, impacting the coasts and generating double-frequency (DF) microseisms. The dispersion characteristics of DF microseisms relevant to the propagation of ocean swells were analyzed using the fractional Fourier transform (FrFT) to obtain the propagation distance and track the origins of typhoon-induced swells through seismic observations. For the super typhoon Megi in 2010, the origin of the induced ocean swells was tracked and localized accurately using seismic records from stations in eastern Taiwan. The localized source regions and calculated wave periods of the ocean swells are in good agreement with values predicted by ERA5 reanalysis from the European Centre for Medium-Range Weather Forecasts (ECMWF). However, localized deviations may depend on the effective detection of dispersive DF microseisms, which is tied to both coastline geometry and the geographic locations of seismic stations. This work demonstrates the effectiveness of seismological methods in observing typhoon-induced swells. The dispersion characteristics of DF microseisms recorded by coastal stations could be used as a proxy measure to track and monitor typhoon-induced swells across oceans. View Full-Text
Keywords: typhoon; ocean swell; microseism; seismic station typhoon; ocean swell; microseism; seismic station
Show Figures

Graphical abstract

MDPI and ACS Style

Lin, J.; Fang, S.; Li, X.; Wu, R.; Zheng, H. Seismological Observations of Ocean Swells Induced by Typhoon Megi Using Dispersive Microseisms Recorded in Coastal Areas. Remote Sens. 2018, 10, 1437. https://doi.org/10.3390/rs10091437

AMA Style

Lin J, Fang S, Li X, Wu R, Zheng H. Seismological Observations of Ocean Swells Induced by Typhoon Megi Using Dispersive Microseisms Recorded in Coastal Areas. Remote Sensing. 2018; 10(9):1437. https://doi.org/10.3390/rs10091437

Chicago/Turabian Style

Lin, Jianmin, Sunke Fang, Xiaofeng Li, Renhao Wu, and Hong Zheng. 2018. "Seismological Observations of Ocean Swells Induced by Typhoon Megi Using Dispersive Microseisms Recorded in Coastal Areas" Remote Sensing 10, no. 9: 1437. https://doi.org/10.3390/rs10091437

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop