{"thcode":3,"term":{"code":835,"name":"playas","parent":816,"scope":"Closed depressions in an arid or semi-arid region that are periodically inundated by surface runoff, or the salt flat within such a closed basin.[Encyc. Dictionary of Physical Geography]"},"uf":[{"name":"chotts","usewith":false},{"name":"kavirs","usewith":false}],"bt":[{"code":816,"name":"physiographic features","parent":1,"scope":null},{"code":1,"name":"Categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":95,"name":"basins","parent":816,"scope":"Bowl-shaped, natural depressions in the surface of the land or ocean floor. [Adapted from USGS Circ 1048]"},{"code":399,"name":"flats","parent":816,"scope":"Relatively level areas within regions of greater relief. [USGS GNIS Feature Class Definitions <http:\/\/geonames.usgs.gov\/domestic\/feature_class.htm>]"},{"code":1236,"name":"wetlands","parent":112,"scope":"Vegetated areas that are inundated or saturated by surface or ground water for a significant part of the year. The vegetation is adapted for life in saturated soil conditions. [USGS Circ 1048]"}]}