Ice bridge
Anice bridgeis a frozen natural structure formed overseas,bays,riversorlakesurfaces. They facilitate migration of animals or people over a water body that was previously uncrossable by terrestrial animals, includinghumans.The most significant ice bridges are formed by glaciation, spanning distances of many miles over sometimes relatively deep water bodies.
An example of such a major ice bridge was that connecting the island ofÖlandwith mainlandSwedenapproximately 9000 BC. This bridge reached its maximum utility when theglacierwas in retreat, forming a low-lying frozen bridge. The Öland ice bridge allowed the first human migration to the island of Öland, which is most readily documented by archaeological studies of theAlby People.[1]
InJules Verne's 1873novelThe Fur Country,a group of fur trappers establishes a fort on what they think is stable ground, only to find later on that is merely an iceberg temporarily attached by an ice bridge to the mainland.
