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

Mowlem, Matt, Tsaloglou, Maria-Nefeli, Waugh, Edward, Floquet, Cedric, Saw, Kevin, Fowler, Lee, Brown, Robin, Pearce, David, Wyatt, James, Beaton, Alexander, Brito, Mario, Hodgson, Dominic, Griffiths, Gwyn, Bentley, Michael, Blake, David, Capper, Linda, Clarke, Rachel, Cockell, Charles, Corr, Hugh, Harris, W., Hill, Christopher, Hindmarsh, Richard, King, Edward, Lamb, Henry, Maher, Barbara, Makinson, Keith, Parnell, John, Priscu, John, Rivera, Andrés, Ross, Neil, Siegert, Martin, Smith, Andrew, Tait, Andrew, Tranter, Martyn, Wadham, Jemma, Whalley, Brian and Woodward, John (2011) Probe Technology for the Direct Measurement and Sampling of Ellsworth Subglacial Lake. In: Antarctic Subglacial Aquatic Environments. Geophysical Monograph Series, 192 . American Geophysical Union, Washington, DC., pp. 159-186. ISBN 978-0875904825

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Official URL: http://dx.doi.org/10.1002/9781118670354.ch10

Abstract

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.

Item Type: Book Section
Subjects: F800 Physical and Terrestrial Geographical and Environmental Sciences
Department: Faculties > Engineering and Environment > Geography
Depositing User: John Woodward
Date Deposited: 15 May 2012 09:21
Last Modified: 10 Aug 2015 11:20
URI: http://nrl.northumbria.ac.uk/id/eprint/7074

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