Fuel regulation in inland navigation: reduced soil black carbon and PAH deposition in river valleys

Melanie Braun1, Lorenz Schwark2, Wulf Amelung1 and Eva Lehndorff3, (1)University of Bonn, Institute of Crop Sciences and Resource Conservation, Bonn, Germany, (2)University of Kiel, Marine Science, Kiel, Germany, (3)University of Bonn, Bonn, Germany