Edinburgh Research Explorer

Ellsworth Subglacial Lake, West Antarctica: A Review of Its History and Recent Field Campaigns

Research output: Chapter in Book/Report/Conference proceedingChapter

  • A. Rivera
  • L. Capper
  • R. Clarke
  • H. F. J. Corr
  • W. Harris
  • C. Hill
  • R. C. A. Hindmarsh
  • D. A. Hodgson
  • E. C. King
  • H. Lamb
  • B. Maher
  • K. Makinson
  • M. Mowlem
  • J. Parnell
  • D. A. Pearce
  • J. Priscu
  • A. M. Smith
  • A. Tait
  • M. Tranter
  • J. L. Wadham
  • W. B. Whalley
  • MC Kennicutt
  • RA Bindschadler

Related Edinburgh Organisations

Original languageEnglish
Title of host publicationANTARTIC SUBGLACIAL AQUATIC ENVIRONMENTS
EditorsMJ Siegert
PublisherAMER GEOPHYSICAL UNION
Pages221-233
Number of pages13
ISBN (Print)978-0-87590-482-5
DOIs
Publication statusPublished - 2011

Publication series

NameGeophysical Monograph Series
PublisherAMER GEOPHYSICAL UNION
Volume192
ISSN (Print)0065-8448

Abstract

Ellsworth Subglacial Lake, first observed in airborne radio echo sounding data acquired in 1978, is located within a long, deep subglacial trough within the Ellsworth Subglacial Highlands of West Antarctica. Geophysical surveys have characterized the lake, its subglacial catchment, and the thickness, structure, and flow of the overlying ice sheet. Covering 28.9 km(2), Ellsworth Subglacial Lake is located below 2.9 to 3.3 km of ice at depths of -1361 to -1030 m. Seismic reflection data have shown the lake to be up to 156 m deep and underlain by unconsolidated sediments. Ice sheet flow over the lake is characterized by low velocities (2 m of sediment below the lake floor, (4) water circulation modeling suggesting a melting ice-water interface, and (5) coring that can target the deepest point of the lake floor away from marginal, localized sediment sources.

    Research areas

  • INVENTORY, VOSTOK

ID: 25223055