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Measurements beneath an Antarctic ice shelf using an autonomous underwater vehicle

Nicholls, K.W., Abrahamsen, E.P., Buck, J.J.H., Dodd, P.A., Goldblatt, C., Griffiths, G., Heywood, K.J., Hughes, N.E., Kaletzky, A., Lane-Serff, G.F., McPhail, S.D., Millard, N.W., Oliver, K.I.C., Perrett, J., Price, M.R., Pudsey, C.J., Saw, K., Stansfield, K., Stott, M.J., Wadhams, P., Webb, A.T. and Wilkinson, J.P. (2006) Measurements beneath an Antarctic ice shelf using an autonomous underwater vehicle Geophysical Research Letters, 33, (8), L08612-[4pp]. (doi:10.1029/2006GL025998).

Record type: Article


The cavities beneath Antarctic ice shelves are among the least studied regions of the World Ocean, yet they are sites of globally important water mass transformations. Here we report results from a mission beneath Fimbul Ice Shelf of an autonomous underwater vehicle. The data reveal a spatially complex oceanographic environment, an ice base with widely varying roughness, and a cavity periodically exposed to water with a temperature significantly above the surface freezing point. The results of this, the briefest of glimpses of conditions in this extraordinary environment, are already reforming our view of the topographic and oceanographic conditions beneath ice shelves, holding out great promises for future missions from similar platforms.

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Published date: April 2006
Organisations: National Oceanography Centre,Southampton, Engineering Sciences


Local EPrints ID: 32854
ISSN: 0094-8276
PURE UUID: 4a6ffdb3-3864-4c1c-a87d-4519fe1c1bd8

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Date deposited: 12 May 2006
Last modified: 17 Jul 2017 15:54

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Author: K.W. Nicholls
Author: E.P. Abrahamsen
Author: J.J.H. Buck
Author: P.A. Dodd
Author: C. Goldblatt
Author: G. Griffiths
Author: K.J. Heywood
Author: N.E. Hughes
Author: A. Kaletzky
Author: G.F. Lane-Serff
Author: S.D. McPhail
Author: N.W. Millard
Author: K.I.C. Oliver
Author: J. Perrett
Author: M.R. Price
Author: C.J. Pudsey
Author: K. Saw
Author: K. Stansfield
Author: M.J. Stott
Author: P. Wadhams
Author: A.T. Webb
Author: J.P. Wilkinson

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