Abstract:
The data consist of output of the Penn State 3-D ice-sheet model simulating
the Greenland Ice Sheet, in support of a project described in the associated
paper (Alley et al., JGR-Earth Surface, 2019). The simulations show the
equilibrated ice-sheet state after various degrees of surface air warming,
for 3 different configurations of basal slipperiness. The basal sliding
configurations represent changes in basal warming and lubrication due to
tectonic passage of the Iceland hotspot millions of years ago and subsequent
loading and unloading due to glacial-interglacial cycles, and the model results
are used in the study of Alley et al. (2019) addressing past changes in
Greenland Ice Sheet sensitivity.
Supplemental_Information:
R.B. Alley (1)
D. Pollard (1)
B.R. Parizek (1,2)
S. Anandakrishnan (1)
M. Pourpoint (1,3)
N.T. Stevens (1,4)
J.A. MacGregor (5)
K. Christianson (6)
A. Muto (7)
N. Holschuh (6)
1. Department of Geosciences, and Earth and Environmental Systems Institute,
The Pennsylvania State University, University Park, Pennsylvania, USA.
2. Mathematics and Geoscience, The Pennsylvania State University, DuBois,
Pennsylvania, USA.
3. Department of Earth and Planetary Sciences, Washington University, St. Louis,
Missouri, USA.
4. Department of Geology and Geophysics, University of Wisconsin, Madison,
Wisconsin, USA.
5. Cryospheric Sciences Lab, NASA Goddard Space Flight Center, Greenbelt,
Maryland, USA.
6. Department of Earth and Space Sciences, University of Washington, Seattle,
Washington, USA.
7. Department of Earth and Environmental Science, Temple University,
Philadelphia, Pennsylvania, USA.
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