Articles | Volume 8, issue 6
https://doi.org/10.5194/tc-8-2335-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-8-2335-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Inferred basal friction and surface mass balance of the Northeast Greenland Ice Stream using data assimilation of ICESat (Ice Cloud and land Elevation Satellite) surface altimetry and ISSM (Ice Sheet System Model)
E. Larour
CORRESPONDING AUTHOR
Jet Propulsion Laboratory – California Institute of Technology, 4800 Oak Grove Drive MS 300-323, Pasadena, CA 91109-8099, USA
J. Utke
Argonne National Lab, Argonne, IL 60439, USA
B. Csatho
Department of Geological Sciences, University at Buffalo, Buffalo, NY, USA
A. Schenk
Department of Geological Sciences, University at Buffalo, Buffalo, NY, USA
H. Seroussi
Jet Propulsion Laboratory – California Institute of Technology, 4800 Oak Grove Drive MS 300-323, Pasadena, CA 91109-8099, USA
M. Morlighem
University of California Irvine, Department of Earth System Science, Croul Hall, Irvine, CA 92697-3100, USA
E. Rignot
Jet Propulsion Laboratory – California Institute of Technology, 4800 Oak Grove Drive MS 300-323, Pasadena, CA 91109-8099, USA
University of California Irvine, Department of Earth System Science, Croul Hall, Irvine, CA 92697-3100, USA
N. Schlegel
Jet Propulsion Laboratory – California Institute of Technology, 4800 Oak Grove Drive MS 300-323, Pasadena, CA 91109-8099, USA
A. Khazendar
Jet Propulsion Laboratory – California Institute of Technology, 4800 Oak Grove Drive MS 300-323, Pasadena, CA 91109-8099, USA
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Latest update: 23 Nov 2024
Short summary
We present a temporal inversion of surface mass balance and basal friction for the Northeast Greenland Ice Sheet between 2003 and 2009, using the altimetry record from ICESat. The inversion relies on automatic differentiation of ISSM and demonstrates the feasibility of assimilating altimetry records into reconstructions of the Greenland Ice Sheet. The boundary conditions provide a snapshot of the state of the ice for this period and can be used for further process studies.
We present a temporal inversion of surface mass balance and basal friction for the Northeast...