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The boundary current loses annually on average 16\u2009W m<jats:sup>\u22122<\/jats:sup> during the eastward propagation along the upper continental slope. The largest vertical fluxes of &gt;100\u2009W m<jats:sup>\u22122<\/jats:sup> occur episodically in autumn and early winter. Episodes of sea ice imported from the north in November 2012 and February 2013 coincided with large ocean\u2010to\u2010ice heat fluxes, which effectively melted the ice and sustained open water conditions in the middle of the Arctic winter. Between March and early July 2013, a persistent ice cover\u2010modulated air\u2010sea fluxes. Melting sea ice at the start of the winter initiates a cold, up to 100\u2010m\u2010deep halocline separating the ice cover from the warm Atlantic Water. Semidiurnal tides dominate the energy over the upper part of the slope. The vertical tidal structure depends on stratification and varies seasonally, with the potential to contribute to vertical fluxes with shear\u2010driven mixing. Further processes impacting the heat budget include lateral heat loss due to mesoscale eddies, and modest and negligible contributions of Ekman pumping and shelf break upwelling, respectively. The continental slope north of Svalbard is a key example regarding the role of ocean heat for the sea ice cover. Our study underlines the complexity of the ocean's heat budget that is sensitive to the balance between oceanic heat advection, vertical fluxes, air\u2010sea interaction, and the sea ice cover.<\/jats:p>","DOI":"10.1029\/2018jc013814","type":"journal-article","created":{"date-parts":[[2018,8,7]],"date-time":"2018-08-07T10:49:08Z","timestamp":1533638948000},"page":"6373-6391","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":77,"title":["Variability and Redistribution of Heat in the Atlantic Water Boundary Current North of Svalbard"],"prefix":"10.1029","volume":"123","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9997-6366","authenticated-orcid":false,"given":"A. H. 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