I study the biogeochemistry of dissolved organic matter (DOM) in marine and terrestrial environments. My main tools are molecular biomarkers and ultrahigh-resolution mass spectrometry (FT-ICR MS). With my research I aim to understand the sources and sinks of organic matter in estuaries and its linkage to environmental conditions and microbes. I am working in projects that investigate the transformations of terrestrially derived organic matter in the ocean, and the biodegradation of petroleum compounds from anthropogenic and natural sources.
Amazon – GEOTRACES: Interactions of trace metals, DOM, and particles in the Amazon estuary and associated plume as key processes for trace metal and DOM fluxes into the Atlantic (https://www.tib.eu/en/search/id/awi%3Adoi~10.2312%252Fcr_m147/)
MARDOS: Are permeable coastal sediments hotspots for the formation of non-volatile dissolved organic sulfur (DOS) in the ocean?
MARUM EXCELLENCE CLUSTER: Cluster of Excellence “The Ocean Floor – Earth’s Uncharted Interface
IODP GUAYMAS BASIN: The biogeochemistry of dissolved organic matter in hydrothermal Guaymas Basin sediments