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TOPICS

연구 주제

Food web study

• Tracing diet source of marine consumer using stable isotope ratio
• 813C Tracing diet source
• 815N Estimate Trophic position
• Estimate trophic using compound specific isotope ratio (815N of individual Amino acid)
• Calculation of diet contribution using stable isotope modelling program

Organic matter cycling in water environment

• Primary productivity
• Pigment composition of phytoplankton
• Production and degradation process of aquatic organic matter
• Characterization of dissolved organic matter
• Fate of organic matter using isotope tracer techniques
• UV absorbing specific compounds

Paleoenvironment study

• Reconstruction of marine paleoenvironmental change recorded in a sediment cores
• Reconstruction of paleotemperature
• Origin of organic matter in the sediments
• Proxies
• Alkenone
• GDGTs (glycerol dibiphytanvI glvcerol tetraether )
• diols

Methane Cycle study

• Identification of specific biomarkers related to methane
• Distribution of ANMEs community structure in marine sediment bearing gas hydrate
• Characteristics of compound-specific biomarkers of Anaerobic oxidation of methane

Burning methane hydrate ice.

The structure of gas hydrates. Graphic: J. Greinert, GEOMAR