Mean State

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Total Area [1e6 km2]
Overlap Continuous Area [1e6 km2]
Overlap Discontinuous Area [1e6 km2]
Missed Continuous Area [1e6 km2]
Missed Discontinuous Area [1e6 km2]
Excess Area [1e6 km2]
Missed Continuous Score [1]
Missed Discontinuous Score [1]
Excess Score [1]
Overall Score [1]
Benchmark [-] 19.9
E3SMv3 default [-] 13.2 9.21 1.45 1.83 3.00 2.65 0.835 0.325 0.699 0.682
E3SMv3 highECS [-] 10.7 7.62 0.990 3.42 3.45 2.20 0.690 0.223 0.713 0.624
E3SMv3 lowECS [-] 12.8 8.88 1.45 2.16 3.00 2.58 0.805 0.325 0.695 0.670

Temporally integrated period mean

BENCHMARK EXTENT
Data not available
MODEL EXTENT
Data not available
BIAS
Data not available

All Models

Benchmark
Data not available
Data not available
E3SMv3 default
Data not available
Data not available
E3SMv3 highECS
Data not available
Data not available
E3SMv3 lowECS
Data not available
Data not available

Data Information

  Title:
Circum-Arctic Map of Permafrost and Ground-Ice Conditions

  Version:
2

  Institutions:
National Snow and Ice Data Center Distributed Active Archive Center

  Source:
Shapefiles obtained by: wget --ftp-user=anonymous -r -nd ftp://sidads.colorado.edu/pub/DATASETS/fgdc/ggd318_map_circumarctic/permaice*

  History:
Tue Oct 21 15:17:27 2025: ncatted -a units,permafrost_extent,c,c,1 /home/nate/.cache/ilamb3/0.1/permafrost/Brown2002/Brown2002.nc Tue Oct 21 15:13:32 2025: ncatted -a units,permafrost_extent,m,c,1 /home/nate/.cache/ilamb3/0.1/permafrost/Brown2002/Brown2002.nc Downloaded on 2023-07-25 and generated netCDF file on 2023-08-15 with https://github.com/rubisco-sfa/ILAMB-Data/blob/master/permafrost/Brown2002/convert.py

  References:
Brown, J., O. Ferrians, J. A. Heginbottom, and E. Melnikov (2002), National Snow and Ice Data Center Distributed Active Archive Center, 10.7265/skbgkf16

  Nco:
netCDF Operators version 5.3.3 (Homepage = http://nco.sf.net, Code = http://github.com/nco/nco, Citation = 10.1016/j.envsoft.2008.03.004)