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Observed sea ice edge: Zonal-mean sea ice edge latitude, sea ice extent, and sea ice equivalent extent (defined as total surface area, including land, north of the zonal-mean sea ice edge latitude) from 1978-2010 daily satellite-derived Northern Hemisphere sea ice concentration.
NH_observed_ice_edge_lat_and_extent.txt
Eisenman. Geographic muting of changes in the Arctic sea ice cover. Geophys Res Lett, 2010.
CCSM3 simulations with large and medium glacial ice sheets:
This webpage has details on our NCAR CCSM3 T31x3 large ice sheet (Last Glacial Maximum) and medium ice sheet (12kya) simulations, including model setup description, setup files, and simulation results.
CCSM-LGM-and-12k
Eisenman, Bitz, and Tziperman. Rain driven by receding ice sheets as a cause of past climate
change. Paleoceanography, 2009.
Arctic sea ice and climate toy model: Matlab code for an idealized model of the coupled Arctic sea ice-ocean-atmosphere climate system.
sea_ice_model_EW09.m
Eisenman and Wettlaufer. Nonlinear threshold behavior during the loss of Arctic sea ice. Proc Natl Acad Sci USA, 2009.
Paleo insolation: Matlab script to compute daily average insolation (sunlight at the top of the atmosphere) as a function of day and latitude at any point during the past 5 million years.
daily_insolation.m
Huybers and Eisenman. Integrated summer insolation calculations. NOAA/NCDC Paleoclimatology Program Data Contribution #2006-079.
Miscellaneous Matlab scripts: Toolbox of various Matlab functions.
matlab-toolbox
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