glacial epoch; ice age

The erosive and depositional activities of glaciers and the resulting effects on the Earth's surface; also called [[冰川作用|冰川作用|bing1 chuan1 zuo4 yong4]]

glacial epoch; a period in Earth's geological history characterized by widespread glacier coverage and cold climates

a period in Earth's history when the climate was extremely cold and large parts of the land were covered by glaciers; glacial epoch

plateau glacier or icecap found in high altitude regions