Ice sheets viewed from the ocean: the contribution of marine science to understanding modern and past ice

sheets

by Colm Ó Cofaigh

Philosophical Transactions AVolume 370(1980):5512-5539

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;370:5512-5539

©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;370:5512-5539

©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;370:5512-5539

©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;370:5512-5539

©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;370:5512-5539

©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;370:5512-5539

©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;370:5512-5539

©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;370:5512-5539

©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;370:5512-5539

©2012 by The Royal Society

BGS vibrocorer in operation in Disko Bay, West Greenland during cruise JR175 of the RRS James Clark Ross in 2009.

Colm Ó Cofaigh Phil. Trans. R. Soc. A 2012;370:5512-5539

©2012 by The Royal Society