New insights on dissolved organic matter in the Mediterranean Sea: basin-wide distribution and drivers of the coloured and fluorescent fractions and it relationship to molecular structure

Teresa S. Catalá1, Alba Martínez-Pérez2, Mar Nieto-Cid2, Marta Álvarez3, Helena Osterholz1, Jaime Otero2, Mikhail Emelianov3, Isabel Reche4, Javier Aristegui5, Thorsten Dittmar6 and Xosé Antón Álvarez-Salgado2, (1)Research Group for Marine Geochemistry, Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky University Oldenburg, Oldenburg, Germany, (2)Consejo Superior de Investigaciones Científicas - Instituto de Investigacións Mariñas (CSIC-IIM), Vigo, Spain, (3)IEO Centro Oceanográfico de A Coruña, A Coruña, Spain, (4)Departamento de Ecología and Instituto del Agua, Universidad de Granada, Granada, Spain, (5)Instituto de Oceanografía y Cambio Global (IOCAG), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain, (6)Carl von Ossietzky University Oldenburg, Institute for Chemistry and Biology of the Marine Environment (ICBM), Oldenburg, Germany