Blowouts are sandy depressions caused by removal of material by wind. This article needs to be wikified. ... Wind is the quasi-horizontal movement of air (as opposed to an air current) caused by a horizontal pressure gradient force. ...

Although they generally remain small, they can expand up to kilometers in size and up to around 70m in depth. They are an important habitat for flora and fauna. Habitat (from the Latin for it inhabits) is the place where a particular species lives and grows. ... In Botany a Flora (or Floræ) is a collective term for plant life and can also refer to a descriptive catalogue of the plants of any geographical area, geological period, etc. ... Fauna is a collective term for animal life. ...