https://doi.org/10.5194/tc-15-4909-2021-supplement

GLAS/ICESat L2 Sea Ice Altimetry Data (HDF5), Version 3 H. J. Zwally, R. Schutz, D. Hancock, and J. Dimarzio https://doi.org/10.5067/ICESAT/GLAS/DATA210

ATLAS/ICESat-2 L3A Sea Ice Freeboard, Version 4 R. Kwok, A. A. Petty, G. Cunningham, T. Markus, D. Hancock, A. Ivanoff, J. Wimert, M. Bagnardi, N. Kurtz, and the ICESat-2 Science Team https://doi.org/10.5067/ATLAS/ATL10.004

IceBridge L4 Sea Ice Freeboard, Snow Depth, and Thickness, Version 1 N. Kurtz, M. Studinger, J. Harbeck, V.-D.-P. Onana, and D. Yi https://doi.org/10.5067/G519SHCKWQV6

DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures, Version 2 R. Armstrong and M. Brodzik https://doi.org/10.5067/3EX2U1DV3434

ESA Sea Ice Climate Change Initiative (Sea_Ice_cci): Northern hemisphere sea ice thickness from Envisat on the satellite swath (L2P), v2.0 S. Hendricks, S. Paul, and E. Rinne https://doi.org/10.5285/54e2ee0803764b4e84c906da3f16d81b

ESA Sea Ice Climate Change Initiative (Sea\_Ice\_cci): Northern hemisphere sea ice thickness from CryoSat-2 on the satellite swath (L2P), v2.0 S. Hendricks, S. Paul, and E. Rinne https://doi.org/10.5285/5b6033bfb7f241e89132a83fdc3d5364

Canadian Ice Service, Environment and Climate Change Canada Canadian Ice Service Arctic Weekly Regional Ice Data https://iceweb1.cis.ec.gc.ca/Archive/page1.xhtml?lang=en

Davis Strait Freshwater Flux Array R. Moritz http://psc.apl.uw.edu/sea_ice_cdr/Sources/Davis_Strait.html

CryoSat-SMOS Merged Sea Ice Thickness R. Ricker, S. Hendricks, X. Tian-Kunze, and L. Kaleschke https://spaces.awi.de/pages/viewpage.action?pageId=291898639