Measurements of snow depth, sea-ice thickness, total sea-ice thickness, water level, freeboard, and sea-ice draft obtained at holes drilled through the ice during the ALERT2018 campaign (MAP Last Ice) at station ALERT2018_05

Measurements of snow depth, sea-ice thickness, total sea-ice thickness, water level, freeboard, and sea-ice draft obtained at holes drilled through the ice using a tape measure at markers M0 to M10 each separated by 10 m and distributed along the 100 m transect at station ALERT2018_05.