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Geomorphological Insight of Some Ice Free Areas of Eastern Antarctica

In: Glaciers and the Polar Environment

Author

Listed:
  • Rasik Ravindra
  • Mahesh Badanal
  • Rahul Mohan

Abstract

The Schirmacher Oasis and Larsemann Hills are among the few significant ice free areas of East Antarctica that are conspicuous due to presence of more than a hundred melt water lakes each, preserving the signatures of climatic variation and deglaciation history since Last Glacial Maximum (19 to 24 ky BP) and beyond. There are evidences, recorded in the lake sediments of low lying Larsemann Hills, of marine transgression due to variation in sea level, isostatic upliftment and close vicinity of the Hills to the marine environment. The Schirmacher Oasis, on the other hand has preserved various landforms-both erosional and depositional- typical of a periglacial environment along with proglacial lakes (incorporating signals of ice-sheet dynamics) and epishelf lakes (signatures of marine influence) .

Suggested Citation

  • Rasik Ravindra & Mahesh Badanal & Rahul Mohan, 2021. "Geomorphological Insight of Some Ice Free Areas of Eastern Antarctica," Chapters, in: Masaki Kanao & Danilo Godone & Niccolo Dematteis (ed.), Glaciers and the Polar Environment, IntechOpen.
    • Handle: RePEc:ito:pchaps:219263
    DOI: 10.5772/intechopen.94445
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    More about this item

    Keywords

    geomorphological evolution; Schirmacher and Larsemann Hills; Paleoclimate;
    All these keywords.

    JEL classification:

    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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