Body of water varying in size and completely surrounded by land.
Lake created when a dam is built on a watercourse.
Desert zone made fertile by the presence of underground or surface water.
Crescent-shaped lake formed when a river changes course by flowing across the neck of the oxbow.
Lake that fills a basin dug out by a glacier, whose meltwater then forms the lake.
Lake that fills the crater of an extinct volcano.
Lake that occupies a natural basin resulting from a collapse of the Earth’s crust.