DUNES
type: Concept

LONGITUDINAL/LINEAR DUNE
type: Concept
change note: 2013-08-16 14:42:56.0 [tbs1979] insert Definition (id: null text: Elongate parallel to the prevailing wind, possibly caused by a larger dune having its smaller sides blown away. Seif dunes are sharp-crested and are common in the Sahara. They range up to 300 m (980 ft) in height and 300 km (190 mi) in length. language code: en);
change note: 2013-08-05 14:07:12.0 [tbs1979] Insert Concept add broader relation (LONGITUDINAL/LINEAR DUNE [b5ee3496-6910-4971-8539-5aa084bfa9e1,105431] - DUNES [416221ec-04e1-4913-aacb-9045551949c4,105421]);
definition: Elongate parallel to the prevailing wind, possibly caused by a larger dune having its smaller sides blown away. Seif dunes are sharp-crested and are common in the Sahara. They range up to 300 m (980 ft) in height and 300 km (190 mi) in length.
in scheme: sciencekeywords