A non-steady ice sheet model incorporating longitudinal stresses: application to the adjustment of interior regions of an ice sheet to changes in sea level.

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Abstract

In order to study the effect of sea-level changes on inland ice sheets, a new ice-flow model has been developed that explicitly includes longitudinal stresses. Sea-level rise causes a wave of thinning to propagate upglacier in an ice sheet with terminal position controlled by sea level. Model calculations show that post-Wisconsinan sea-level rise has caused 110 m thinning at Dome C, East Antarctica, and that response is now 70% complete. For a 10% increase in accumulation rate from Wisconsinan to Holocene, there has been 75 m post-Wisconsinan thinning due to combined effects of sea-level rise and accumulation-rate increase. -from Author

Original languageEnglish (US)
JournalReport - Ohio State University, Institute of Polar Studies
Volume84
StatePublished - Jan 1 1984

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

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