Additional Participants

Other Collaborators or Contacts

Jens Naslund, University of Stockholm
Johan Kleman, University of Stockholm
Wibjorn Karlen, University of Stockholm
Per Holmlund, University of Stockholm
Kathy Licht, University of Colorado
Eric Steig, University of Pennsylvania
Mikhael Grosswald, Russian Academy of Sciences
Jon Thomas, University of Maine

Project Period

January 1, 1996-December 31, 1999

Level of Access

Open-Access Report

Grant Number

9526348

Submission Date

1-28-2000

Abstract

This award is for support for a program of research involving the use of inverse modeling to derive information from the measured configuration of an ice sheet to yield important information about the conditions both at the bed and within the ice column. It is proposed to convert a column-averaged model to a column- integrated model that accounts explicitly for internal thermodynamics and variations of material properties that depend on this internal temperature field. An existing finite-element 3- D temperature solver will be coupled with an existing finite- element map-plane continuity solver. The result will allow more detailed analysis of existing field data within the context of the assumptions of the model. This improved model will be used to derive quantities describing the basal conditions of the Antarctic ice sheet, with particular focus on the behavior of ice streams around the margin of the continent.

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In Copyright - Educational Use Permitted.