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Cha, Dong-Hyun
High-impact Weather Prediction Lab (HWPL)
Research Interests
  • Typhoon Modeling, Regional Climate Modeling, High-impact Weather

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An Estimation of Ocean Surface Heat Fluxes during the Passage of Typhoon at the Ieodo Ocean Research Station: Typhoon Lingling Case Study 2019

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dc.contributor.author Bae, Hyo-Jun ko
dc.contributor.author Yang, Sinil ko
dc.contributor.author Jeong, Taek-Bum ko
dc.contributor.author Yang, Ah-Ryeon ko
dc.contributor.author Cha, Dong-Hyun ko
dc.contributor.author Lee, Gil ko
dc.contributor.author Lee, Hwa-Young ko
dc.contributor.author Byun, Do-Seong ko
dc.contributor.author Kim, Baek-Min ko
dc.date.available 2021-10-07T07:56:51Z -
dc.date.created 2021-10-03 ko
dc.date.issued 2022-08 ko
dc.identifier.citation ASIA-PACIFIC JOURNAL OF ATMOSPHERIC SCIENCES, v.58, pp.305 - 314 ko
dc.identifier.issn 1976-7633 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/54065 -
dc.description.abstract We investigated the strengthened ocean surface heat flux at Ieodo Ocean Research Station (Ieodo ORS) during the passage of Typhoon Lingling. On September 6, 2019, when Typhoon Lingling approached the Ieodo ORS, we observed a dramatic drop in the sea surface temperature (SST) of 5.0 degrees C along with intense turbulent mixing. Although the decline of the SST was much weaker than the observed data, the SST simulated by the regional air-sea coupled model exhibited a decrease of about 2.0 degrees C in a few hours due to turbulent mixing by current shear. At the same time, the latent heat flux showed a robust downward transfer. We also investigated the case with the air-sea coupled model and atmosphere-only model, but this negative latent heat flux was not captured. The sensible heat flux was better captured by the coupled model than the uncoupled model. And the coupled model simulated the latent heat flux closer to downward than the uncoupled model. We conducted a sensitivity test by altering the flux estimation methods used to estimate ocean heat fluxes. We found that the latent heat flux was more sensitive to the choice of estimation and showed much room for improvement. In this regard, the joint model-observation study using Ieodo ORS data provides an invaluable opportunity for improved typhoon simulation. ko
dc.language 영어 ko
dc.publisher KOREAN METEOROLOGICAL SOC ko
dc.title An Estimation of Ocean Surface Heat Fluxes during the Passage of Typhoon at the Ieodo Ocean Research Station: Typhoon Lingling Case Study 2019 ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85115140081 ko
dc.identifier.wosid 000698020500001 ko
dc.type.rims ART ko
dc.identifier.doi 10.1007/s13143-021-00252-3 ko
dc.identifier.url https://link.springer.com/article/10.1007%2Fs13143-021-00252-3 ko
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