lake

Body of water varying in size and completely surrounded by land.

artificial lake

Lake created when a dam is built on a watercourse.

oasis

Desert zone made fertile by the presence of underground or surface water.

oxbow lake

Crescent-shaped lake formed when a river changes course by flowing across the neck of the oxbow.

glacial lake

Lake that fills a basin dug out by a glacier, whose meltwater then forms the lake.

volcanic lake

Lake that fills the crater of an extinct volcano.

tectonic lake

Lake that occupies a natural basin resulting from a collapse of the Earth’s crust.