Articles | Volume 19, issue 2
Research article
23 Feb 2015
Research article |  | 23 Feb 2015

Nitrogen surface water retention in the Baltic Sea drainage basin

P. Stålnacke, A. Pengerud, A. Vassiljev, E. Smedberg, C.-M. Mörth, H. E. Hägg, C. Humborg, and H. E. Andersen


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ED: Publish as is (20 Jan 2015) by Alison D. Reeves
AR by Per Stålnacke on behalf of the Authors (02 Feb 2015)  Author's response    Manuscript
Short summary
In this study, we used the MESAW statistical model to estimate the surface water N retention. Such large-scale estimates are lacking for the Baltic Sea and there are only a few studies of this globally. Our results show that around 380 000t of N are annually retained in surface waters draining to the Baltic Sea. The total annual riverine load from the 117 basins to the Baltic Sea was estimated at 570 000t of N, yielding a total surface water N retention of around 40%.