Deglaciation of the Cordillera of Western copyright at the end of the Pleistocene
Nearly all of what is now British Columbia and adjacent areas were covered by an ice sheet at the maximum of the Last Glaciation (MIS 2) about 18,000 years ago.By 11,000 years ago, the Cordilleran Ice Sheet had disappeared, here a victim of warming climate, eustatic sea-level rise along its western margin, and perhaps a reduction in precipitation.D