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MBL Research Overview
MBL Research Overview
Marine biogeochemistry is the study of carbon and nutrients being transformed by biological, geological, and chemical processes in the ocean. We study (1) fluxes of chemical species via the atmosphere, groundwater, and river to the ocean, and (2) biogeochemical reactions, cycling, and sedimentation of chemical species in oceans. We take advantages of various radionuclides for tracing these environmental processes.
Marine-Atmosphere CO2 Flux and Ocean/Estuarine Acidification Research
• By investigating the Yellow Sea Ocean-Atmosperic CO2 flux, we revealed Yellow Sea to be the source of CO2 absorption for the first time.
• Through the study of Yellow Sea acidification, we for the first time discovered the ocean waste disposal site off the west coast of korea is vulnerable to acidification.
• With the study of East China Sea Ocean-Atmospheric CO2 flux, we highlited that the CO2 absorption in East China Sea during summer season is dependent on how the Changjiang River remains unmixed from seawater, not the volume of Changjiang River discharge.
• Contrary to how it is widely known, we revealed northern East China Sea is more vulnerable to acidification than western self region East China Sea through the study of East China Sea acidification for the first time
• We attempted to determine the current status and the cause of acidification in the estuaries of the Han River, Geum River, and Yeongsan River
Microplastic Research
Microplastic Research
Research on Microplastic Pollution in Marine Environment
Establishment of microplastic analytical method in various media (seawater, freshwater, sediments, living organisms, and etc.)
Research on fragmentation of plastics by photooxidation and mechanical abrasion
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