the different types of sand dunes are ... linear , parabolic & perches
sand dunes
snowdrifts and sandunes are formed different because sand dunes are formed by wind and deposition and snowdrifts are fored by weathering.
Loess blankets a broad area; sand dunes aer mounds or ridges.
Sand Dunes of Jaisalmer in Rajasthan, India
Visit the Great Sand Dunes of Colorado
The Imperial Sand Dunes in San Diego
Sand Dunes Tours in Oman