Biogeochemical interpretations of colored dissolved organic matter optical signatures

Monday, 15 December 2014: 5:30 PM
Aron Stubbins1, Robert G Spencer2, Paul James Mann3, Thorsten Dittmar4, Jutta Niggemann4, Robert Max Holmes2, James W McClelland5, Paul Del Giorgio6, Yves Prairie6, Jean-Francois Lapierre6 and Martin Bergrren7, (1)Skidaway Institute of Oceanography, Savannah, GA, United States, (2)Woods Hole Research Center, Falmouth, MA, United States, (3)Northumbria University, Newcastle-Upon-Tyne, NE1, United Kingdom, (4)University of Oldenburg, Oldenburg, Germany, (5)University of Texas Marine Science Institute, Port Aransas, TX, United States, (6)University of Quebec at Montreal UQAM, Montreal, QC, Canada, (7)Lund University, Lund, Sweden
The optical properties of colored dissolved organic matter (CDOM) in surface waters are visible from space and observable throughout the water column in real time using in situ sensors. Due to their ease of measurement, CDOM optical properties are used as proxies for the quantity, quality and processing of dissolved organic matter (DOM) in natural waters. This talk will focus upon the use of these optical signatures to provide insight into the cycling of DOM. Examples will include the use of color to estimate quantitative fluxes and the molecular composition of organics in natural waters.