Some common features of desert landscapes are: bajadas - sloping alluvial fans rich in vegetation playas - dry saline lakebeds, remnants of Pleistocene freshwater lakes mesas - flat-topped hills washes - frequently visited by flash floods oases - places where permananent fresh water occurs sand dunes are frequently found on the leeward side of ancient lakebeds, fed by the lake sediments and piled up by winds.
(Some common features of desert landscapes; are; bajadas - sloping alluvial fans rich in vegetation playas - dry saline lakebeds, remnants of Pleistocene freshwater lakes mesas - flat-topped hills washes) (sand dunes; piled up; by winds) (permananent fresh water; occurs; L:places) Context(permananent fresh water occurs,List([260, 290))):(sand dunes; are found; L:on the leeward side of ancient lakebeds; T:frequently) (sand dunes; fed; by the lake sediments)
permananent fresh water occurs,List([260, 290))
Some common features of desert landscapes sand dunes permananent fresh water sand dunes sand dunes
are piled up occurs are found fed
bajadas - sloping alluvial fans rich in vegetation playas - dry saline lakebeds, remnants of Pleistocene freshwater lakes mesas - flat-topped hills washes
by winds
L:places
L:on the leeward side of ancient lakebeds T:frequently
by the lake sediments