Supplement to: Calonne, Neige; Milliancourt, Lucas; Burr, Alexis; Philip, Armelle; Martin, Christophe L; Flin, Frederic; Geindreau, Christian (2019): Thermal Conductivity of Snow, Firn, and Porous Ice From 3‐D Image‐Based Computations. Geophysical Research Letters, 46(22), 13079-13089, https://doi.org/10.1029/2019GL085228