Polar deserts are regions of Earth that fall under an ice cap climate. Despite having rainfall totals low enough to normally count as desert, they are distinguished from true deserts by their low annual temperatures and low evapotranspiration. Most polar deserts are covered by ice sheets, ice fields, or ice caps, and are also known as white deserts. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
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