Preliminary results of high-frequency autonomous profiler observations for typhoon-ocean interaction study

Title
Preliminary results of high-frequency autonomous profiler observations for typhoon-ocean interaction study
Author(s)
강현우; 강석구; 구본화; 김은진; 서옥희
KIOST Author(s)
Kang, Hyoun-Woo(강현우)Ku, Bonhwa(구본화)Kim, Eun Jin(김은진)Seo, Ok Hee(서옥희)
Publication Year
2019-06-19
Abstract
Observations to study the interactions between ocean upper layers and tropical cyclones are very
difficult and shipboard measurements are even impossible due to the severe storms and the huge waves.
The possible substitutes are unmannedautonomous surface vehicles (ASVs) and/or underwater profilers
such as gliders. Another candidate, relatively cheaper than those ASVs or gliders, is an autonomous
profiler widely used in Argo program though it cannot be placed properly where it should be. As an
instigating experiment, we deployed three autonomous profilers (one in 2017 and two in 2018) in the
Northwestern Pacific during the high typhoon season. The 2017 profiler had traditional ARGOS
communication unit which the profiling mission cannot be changed after the deployment, while the two
2018 profilers had Iridium unit allowing bidirectional communication to control the profiling mission.
The target profiling was upper 500m water column temperature and salinity profiles in every six hour.
Though those profilers are not encountered directly the intensive tropical cyclone during the campaigns,
several typhoons affect indirectly. Some preliminary results of these observations are discussed with
profiling mission controls and plans for further analysis as well as 2019 observation are introduced.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/22576
Bibliographic Citation
International Workshop on Tropical Cyclone-Ocean Interaction in the Northwest Pacific, pp.71, 2019
Publisher
Korea Institute of Ocean Science and Technology
Type
Conference
Language
English
Publisher
Korea Institute of Ocean Science and Technology
Related Researcher
Research Interests

Rapidly Intensified Typhoon research,Air-sea interaction,in-situ data analysis,급강화 태풍 연구,해양-대기 상호작용,현장관측자료분석

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