Ice sheets viewed from the ocean: the contribution of marine science to understanding modern and past ice sheets by Colm Ó Cofaigh Philosophical Transactions.

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Presentation transcript:

Ice sheets viewed from the ocean: the contribution of marine science to understanding modern and past ice sheets by Colm Ó Cofaigh Philosophical Transactions A Volume 370(1980): December 13, 2012 ©2012 by The Royal Society

Ice-rafted debris records from core MD01–2461 (Porcupine Seabight, offshore southwest Ireland). Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society

Bathymetry of the mid-Norwegian shelf showing cross-shelf troughs and intervening banks (adapted from Ottesen et al. [37]). Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society

Mega-scale glacial lineations in Marguerite Trough, Antarctic Peninsula (adapted from Ó Cofaigh et al. [46]). Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society

Swath bathymetric and sub-bottom profiler records of grounding-zone wedges from the Antarctic shelf. Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society

Submarine moraines recording punctuated gradual retreat of a grounded ice-sheet margin characterized by numerous stillstands. Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society

A landsystem model of palaeo-ice-stream retreat, Antarctica (adapted from Ó Cofaigh et al. [46]). Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society

Glacigenic debris flows observed on 6.5 kHz GLORIA long-range side-scan sonar imagery from the surface of the Bear Island Fan, Norwegian Svalbard margin (adapted from Taylor et al. [86]). Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society

Swath bathymetric shaded relief image of the submarine channel system in the Greenland Basin at 73–76° N (adapted from Ó Cofaigh et al. [96]). Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society

Model for depositional processes and sediments beneath a floating ice shelf. Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society

BGS vibrocorer in operation in Disko Bay, West Greenland during cruise JR175 of the RRS James Clark Ross in Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370: ©2012 by The Royal Society