Bentley, Mike J.Smith, James A.Jamieson, Stewart S.R.Lindeman, Margaret R.Rea, BriceHumbert, AngelikaLane, Timothy P.Darvill, Christopher M.Lloyd, Jeremy M.Straneo, FiammaHelm, VeitRoberts, David H.2023-05-052023-05-052023-05-05Bentley, M J, Smith, J A, Jamieson, S S R, Lindeman, M R, Rea, B, Humbert, A, Lane, T P, Darvill, C M, Lloyd, J M, Straneo, F, Helm, V & Roberts, D H 2023, 'Direct measurement of warm Atlantic Intermediate Water close to the grounding line of Nioghalvfjerdsfjorden (79°N) Glacier, Northeast Greenland', The Cryosphere, vol. 17, no. 5, pp. 1821–1837. https://doi.org/10.5194/tc-17-1821-20231994-0416ORCID: /0000-0002-9928-145X/work/168606211https://hdl.handle.net/2164/20663Acknowledgements This work was carried out as part of UK NERC Grant, NE/N011228/1 ‘Greenland in a warmer climate: What controls the advance & retreat of the Northeast Greenland Ice Stream’. We thank the Alfred Wegner Institute, in particular Hicham Rafiq, for their significant logistic support through the iGRIFF project to the work reported here. The airborne data were acquired as part of the campaign RESURV79 conducted by Polar 6. We also thank Jorgen Skafte (Villum Research Station), Nordland Air, Air Greenland, Joint Arctic Command (Station Nord) and Nanu-Travel (in particular Isak and Ooni) for their role in supporting the fieldwork at Blåsø. Naalakkersuisut, Government of Greenland, provided Scientific Survey (VU-00121) and Export (046/2017) licences for this work. We also acknowledge help from the Danmarks Meteorologiske Institut for supplying tidal data, and the support of the Department of Geography, Durham University. Chris Orton (Durham Geography) made Figure 6d-f. Comments from Derek Mueller, Jérémie Bonneau and an anonymous reviewer helped strengthen and clarify the paper.178100178engSDG 13 - Climate ActionNE/N011228/1G Geography (General)Natural Environment Research Council (NERC)G1Journal article10.5194/tc-17-1821-2023175