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Christian Hjort

Christian Hjort

Professor emeritus

Christian Hjort

Glacial history of the Antarctic Peninsula since the Last Glacial Maximum - a synthesis

Författare

  • O Ingolfsson
  • Christian Hjort

Summary, in English

The extent of ice, thickness and dynamics of the Last Glacial Maximum (LGM) ice sheets in the Antarctic Peninsula region, as well as the pattern of subsequent deglaciation and climate development, are not well constrained in time and space. During the LGM, ice thickened considerably and expanded towards the middle-outer submarine shelves around the Antarctic Peninsula. Deglaciation was slow, occurring mainly between >14 Ky BP (C-14 kilo years before present) and ca. 6 Ky BP, when interglacial climate was established in the region. After a climate optimum, peaking ca. 4 - 3 Ky BP, a cooling trend started, with expanding glaciers and ice shelves. Rapid warming during the past 50 years may be causing instability to some Antarctic Peninsula ice shelves.

Avdelning/ar

  • Kvartärgeologi

Publiceringsår

2002

Språk

Engelska

Sidor

227-234

Publikation/Tidskrift/Serie

Polar Research

Volym

21

Issue

2

Dokumenttyp

Artikel i tidskrift

Förlag

Wiley-Blackwell

Ämne

  • Geology

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0800-0395