Growth and Decay of Lake Ice in the Vicinity of Schefferville (Knob Lake), Quebec

Résumé

Reports an investigation into the relative proportions and rates of growth and decay of white ice (snow ice) and black ice on lakes in this area. The mode of formation and conditions of weather, snow cover, prevalence of slush, etc favoring white ice growth are detailed, with graphs. The ice-building potential of a heavy snow cover is emphasized, and the combination of high temperature, snowfall and light winds is considered particularly favorable for white ice formation.