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

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