Mean State

Download Data
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
CanESM5 [-] 4.78 2.20 0.551 8.84 3.90 2.14 0.199 0.124 0.460 0.317
E3SMv3 default 0051 [-] 15.8 10.1 2.24 0.923 2.21 3.57 0.916 0.503 0.641 0.710
E3SMv3 default 0111 [-] 15.0 9.97 1.98 1.07 2.47 3.19 0.903 0.445 0.664 0.707
E3SMv3 default 0161 [-] 15.1 9.91 2.12 1.13 2.32 3.15 0.898 0.478 0.658 0.708
E3SMv3 default 0281 [-] 15.1 9.98 1.98 1.06 2.47 3.32 0.904 0.445 0.659 0.705
E3SMv3 default 0311 [-] 15.3 9.94 2.06 1.10 2.38 3.41 0.901 0.464 0.651 0.703
E3SMv3 highECS 0051 [-] 12.6 8.70 1.37 2.34 3.07 2.70 0.788 0.308 0.688 0.658
E3SMv3 highECS 0111 [-] 12.9 8.94 1.50 2.10 2.95 2.63 0.810 0.337 0.691 0.672
E3SMv3 highECS 0161 [-] 13.1 8.88 1.44 2.16 3.01 2.88 0.805 0.324 0.680 0.662
E3SMv3 highECS 0281 [-] 13.3 9.07 1.57 1.97 2.87 2.78 0.821 0.354 0.682 0.674
E3SMv3 highECS 0311 [-] 12.9 8.88 1.43 2.16 3.01 2.72 0.804 0.323 0.688 0.666
E3SMv3 lowECS 0051 [-] 14.8 9.76 1.99 1.28 2.45 3.19 0.884 0.448 0.659 0.699
E3SMv3 lowECS 0111 [-] 15.0 9.78 2.12 1.26 2.32 3.24 0.886 0.478 0.652 0.701
E3SMv3 lowECS 0161 [-] 15.2 9.90 2.10 1.14 2.34 3.35 0.897 0.473 0.651 0.703
E3SMv3 lowECS 0281 [-] 15.0 9.76 2.13 1.28 2.31 3.23 0.884 0.480 0.651 0.700
E3SMv3 lowECS 0311 [-] 14.7 9.70 2.01 1.34 2.44 3.17 0.879 0.451 0.658 0.697
IPSL-CM6A-LR [-] 4.56 1.76 1.00 9.27 3.45 1.86 0.160 0.225 0.387 0.284
MIROC-ES2L [-] 17.0 9.83 2.05 1.20 2.40 5.22 0.891 0.462 0.579 0.663
NorESM2-LM [-] 14.3 8.98 1.71 2.06 2.74 3.76 0.813 0.384 0.626 0.648
UKESM1-0-LL [-] 15.4 9.82 2.65 1.21 1.80 3.03 0.890 0.595 0.639 0.715

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
CanESM5
Data not available
Data not available
E3SMv3 default 0051
Data not available
Data not available
E3SMv3 default 0111
Data not available
Data not available
E3SMv3 default 0161
Data not available
Data not available
E3SMv3 default 0281
Data not available
Data not available
E3SMv3 default 0311
Data not available
Data not available
E3SMv3 highECS 0051
Data not available
Data not available
E3SMv3 highECS 0111
Data not available
Data not available
E3SMv3 highECS 0161
Data not available
Data not available
E3SMv3 highECS 0281
Data not available
Data not available
E3SMv3 highECS 0311
Data not available
Data not available
E3SMv3 lowECS 0051
Data not available
Data not available
E3SMv3 lowECS 0111
Data not available
Data not available
E3SMv3 lowECS 0161
Data not available
Data not available
E3SMv3 lowECS 0281
Data not available
Data not available
E3SMv3 lowECS 0311
Data not available
Data not available
IPSL-CM6A-LR
Data not available
Data not available
MIROC-ES2L
Data not available
Data not available
NorESM2-LM
Data not available
Data not available
UKESM1-0-LL
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)