Probe Technology for the Direct Measurement and Sampling of Ellsworth Subglacial Lake

Mowlem, Matthew C. and Tsaloglou, Maria Nefeli and Waugh, Edward M. and Floquet, Cedric F.A. and Saw, Kevin and Fowler, Lee and Brown, Robin and Pearce, David and Wyatt, James B. and Beaton, Alexander D. and Brito, Mario P. and Hodgson, Dominic A. and Griffiths, Gwyn and Bentley, M. and Blake, D. and Capper, L. and Clarke, R. and Cockell, C. and Corr, H. and Harris, W. and Hill, C. and Hindmarsh, R. and King, E. and Lamb, H. and Maher, B. and Makinson, K. and Parnell, J. and Priscu, J. and Rivera, A. and Ross, N. and Siegert, M. J. and Smith, A. and Tait, A. and Tranter, M. and Wadham, J. and Whalley, B. and Woodward, J. (2013) Probe Technology for the Direct Measurement and Sampling of Ellsworth Subglacial Lake. In: Antarctic Subglacial Aquatic Environments :. Wiley Blackwell, pp. 159-186. ISBN 9780875904825

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The direct measurement and sampling of Ellsworth Subglacial Lake is a multidisciplinary investigation of life in extreme environments and West Antarctic ice sheet history. The project's aims are (1) to determine whether, and in what form, microbial life exists in Antarctic subglacial lakes and (2) to reveal the post-Pliocene history of the West Antarctic Ice Sheet. A U.K. consortium has planned an extensive logistics and equipment development program that will deliver the necessary resources. This will include hot water drill technology for lake access through approximately 3.2 km of ice, a probe to make measurements with sensors and to collect water and sediment samples, and a percussion corer to acquire an ~3-4 m sediment core. This chapter details the requirements and early stages of design and development of the probe system. This includes the instrumentation package, water samplers, and a mini gravity corer mounted on the front of the probe. Initial design concepts for supporting equipment required at the drill site to deploy and operate the probe are also described. A review of the literature describing relevant technology is presented. The project will implement environmental protection in line with principles set out by the Scientific Committee on Antarctic Research.

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?? aquatic ecology-antarcticaellsworthremotelyoperatedvehiclesamplersensorssterilesubglacialsubglacial lakes-antarctica-discovery and explorationsubglacial lakes-antarctica-historysubglacial lakes-polar regions-discovery and explorationsubglacial lakes-polar ??
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24 Jul 2019 13:30
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16 Jul 2024 04:40