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A nonsteady-state firn-densification model for the percolation zone of a glacier

Authors
Publisher
American Geophysical Union
Publication Date
Keywords
  • A Simple Steady State Firn-Densification Model Is Modified To Account For Short-Term Time Variations
  • The Temporal Surface-Elevation- And Mass Changes At Two Sites In The Percolation Zone Of An Ice Shee
  • It Is Shown That A Straight-Forward Translation Of Observed Short-Term Ice-Sheet Surface-Elevation V
  • Particularly For The Percolation Zone Of The Ice Sheet
  • Where Temperature Driven Variations Of Melting/Re-Freezing Rates Have A Strong Impact On Near Surfac
  • In The Lower Percolation Zone
  • The Mass Change Associated With A Temperature Anomaly In Respect To The Mean Climate May For Example
  • Simultaneous Surface Elevation Change
  • Moreover
  • Significant Surface Elevation Change May Occur Even In Periods Of Constant Surface Climate
  • And Consequently Unchanged Mass Balance
  • As A Delayed Response To Previous Changes Of The Local Surface Climate
  • Forcing The Model With Cyclic Temperature Variations Mimicking Fluctuations Of West Greenland Instru
  • Shows That Surface Elevation May Increase By As Much As 1 M In 5 Years In Periods With No Mass Chang
  • In The Lower Percolation Zone
  • Temperature Induced Density Changes Rather Than Fluctuations Of Accumulation Rate Are The Dominant C
  • Where Short-Term Surface-Elevation Change Is Dominated By Fluctuations Of Accumulation Rate

Abstract

A nonsteady-state firn-densification model for the percolation zone of a glacier - DTU Orbit (16/02/14) A nonsteady-state firn-densification model for the percolation zone of a glacier - DTU Orbit (16/02/14) A nonsteady-state firn-densification model for the percolation zone of a glacier Reeh, N. 2008 In : Journal of Geophysical Research - Oceans. 113, 3 Publication: Research - peer-review › Journal article – Annual report year: 2008

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