Utilizing colored dissolved organic matter to derive dissolved black carbon export by arctic rivers

1 Department of Marine Sciences, Skidaway Institute of Oceanography, University of Georgia, Savannah, GA, USA, 2 Department of Earth, Ocean and Atmospheric Science, Florida State University, Tallahassee, FL, USA, 3 Department of Geography, Northumbria University, Newcastle-upon-Tyne, UK, 4 Woods Hole Research Center, Falmouth, MA, USA, 5 University of Texas Marine Science Institute, Port Aransas, TX, USA, 6 Research Group for Marine Geochemistry, Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany