Sandra Mclaren1, Chris Carson2, Roger Powell1 1University Of Melbourne, University Of Melbourne, Australia, 2Geoscience Australia, Canberra, AUSTRALIA Prior to the breakup of Gondwana (beginning around the late Cretaceous) cratonic rocks of southern Australia, including the Gawler and Curnamona cratons, are...
- March 9, 2018
Alessandro Maritati1, Jacqueline Halpin1, Joanne Whittaker1, 1Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Australia Heat produced by radioactive decay within East Antarctic crust provides a significant contribution to the total heat flow balance that is supplied at...
- March 9, 2018
Bernd Kulessa1, Kerry Key2, Sarah Thompson1, Martin Siegert3 1Glaciology Group, College of Science, Swansea University, UK, 2Lamont-Doherty Earth Observatory, Columbia University, USA, 3Grantham Institute, and Department of Earth Science and Engineering, Imperial College London, UK Numerical models of contemporary as...
- March 9, 2018
Masaki Kanao1 1National Institute of Polar Research, Tachikawa, Japan Characteristic features of infrasound waves observed in the Antarctic reflect the physical interaction between the surface environment along the continental margin and the surrounding Southern Ocean. The temporal–spatial variability of the...
- March 9, 2018
Derrick Hasterok1, Matthew Gard1, Grant Cox1, Martin Hand1 1University Of Adelaide, Adelaide, Australia Radiogenic heat production is one of the greatest uncertainties in thermal models of the lithosphere. The difficulty in sensing radiogenic heat production using remote sensing techniques has...
- March 9, 2018
Martin Hand1, Jacqueline Halpin2, Derrick Hasterok1, Sandra McLaren3, Tom Raimondo4 1University of Adelaide, Adelaide, Australia, 2Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Australia, 3University of Melbourne, Melbourne, Australia, 4University of South Australia, Adelaide, Australia Current Antarctic geothermal...
- March 9, 2018
Alex Burton-Johnson1, Jacqueline Halpin2, Joanne Whittaker2, Felicity Graham2, Sally Watson2 1British Antarctic Survey, Cambridge, United Kingdom, 2Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Australia We present findings recently published in GRL (Burton-Johnson et al., 2017) on the...
- March 9, 2018
Simon Cox1, Matilda Ballinger2, Jacqueline Halpin2, SCAR GeoMAP Action Group3 1GNS Science, Dunedin, New Zealand, 2Institute for Marine and Antarctic Studies, University Of Tasmania, Hobart, Australia, 3www.scar.org/ssg/geosciences/geomap, The SCAR GeoMap action group has been building a detailed digital geological dataset...
- March 9, 2018
Jacqueline Halpin1, Alex Burton-Johnson2, Sally Watson1, Joanne Whittaker1, Tobias Staal1, Anya Reading1, Alessandro Maritati1 1Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Australia, 2British Antarctic Survey, Cambridge, United Kingdom The geothermal heat flux (GHF) to the base of...
- March 9, 2018
Matthew Gard1, Derrick Hasterok1 1University Of Adelaide, Adelaide, Australia In this study, we develop a new model for heat flux and crustal temperatures for the Antarctic continent utilising new geophysical and geochemical constraints. Crustal heat flux directly influences ice sheet...
- March 9, 2018
