Articles | Volume 13, issue 22
https://doi.org/10.5194/bg-13-6339-2016
https://doi.org/10.5194/bg-13-6339-2016
Research article
 | 
25 Nov 2016
Research article |  | 25 Nov 2016

Sources, cycling and export of nitrogen on the Greenland Ice Sheet

Jemma Louise Wadham, Jonathan Hawkings, Jon Telling, Dave Chandler, Jon Alcock, Emily O'Donnell, Preeti Kaur, Elizabeth Bagshaw, Martyn Tranter, Andre Tedstone, and Peter Nienow

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Short summary
Fjord and continental shelf environments in the polar regions are host to some of the planet's most productive ecosystems and support economically important fisheries. A key limiting nutrient for many of these marine phytoplankton is nitrogen. Here we evaluate the potential for a melting Greenland Ice Sheet to supply nitrogen to Arctic coastal ecosystems. We show nitrogen fluxes of a similar order of magnitude to one large Arctic river but yields that are double those typical of Arctic rivers.
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