Response of SST and cold eddy kinetic energy to multiple tropical cyclones in the South China Sea

Haodong Zhang

doi:10.1117/12.3007530

30 August 2023 Response of SST and cold eddy kinetic energy to multiple tropical cyclones in the South China Sea

Haodong Zhang

Proceedings Volume 12797, Second International Conference on Geographic Information and Remote Sensing Technology (GIRST 2023); 1279707 (2023) https://doi.org/10.1117/12.3007530
Event: 2nd International Conference on Geographic Information and Remote Sensing Technology (GIRST 2023), 2023, Qingdao, China

Abstract

The tropical cyclones (TCs)-ocean interaction is an important process that modulates the intensity and track of TCs, and the ocean response is modulated by pre-existing mesoscale eddies. In this study, the response characteristics of the sea surface temperature (SST) and chlorophyll a (Chl-a) concentration caused by several typhoons were analyzed, as well as the impact of the TCs’ moving speed and turning by using satellite remote sensing data and WOA18 datasets. In terms of the temperature and salinity response of the upper ocean, Typhoon Nakri induced a very strong SST cooling (6 ℃), caused two main sea areas of SST cooling on the sea surface and a long-term Chl-a bloom concentration of bloom center of 2.4 mg m⁻³. We reckoned when Typhoon Nakri interacted with the cold eddy, the nutrient-rich cold waters will flow up to the mixed layer easily and induce the growth of Chl-a concentration. The results of this case study provided reference for relevant study during and after the typhoon in the South China Sea.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Haodong Zhang "Response of SST and cold eddy kinetic energy to multiple tropical cyclones in the South China Sea", Proc. SPIE 12797, Second International Conference on Geographic Information and Remote Sensing Technology (GIRST 2023), 1279707 (30 August 2023); https://doi.org/10.1117/12.3007530

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KEYWORDS

Interfaces

Remote sensing

Magnesium

Spatial resolution

Technetium

Translucency

Modulation

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