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en.wikipedia.org/wiki/Dune

In physical geography, a dune is a hill of loose sand built by wind or the flow of water. Dunes occur in different shapes and sizes, formed by interaction with the flow of air or water. Most kinds of dunes are longer on the windward side where the sand is .... Parabolic dunes have loose sand and steep slopes only on their outer flanks ...

www.answers.com/Q/What_part_of_a_sand_dune_is_characterized_by_a_gentle_slope

The gentle slope is in the upwind direction. The downwind directionhas a steep slope called a slip face.

www.answers.com/Q/Sand_dune_is_characterized_by_a_gentle_slope

A sand dune is a desert feature that forms as a result of wind orrain action towards one side. The sand dune usually forms towardsthe dominant side of the wind ...

www.answers.com/Q/This_part_of_a_sand_dune_is_characterized_by_a_pronounced_slope

What Part of a sand dune is characterized by a pronounced slope? The upwind direction of a sand dune has a gentle slope. A steep slope is on the downwind ...

mtweb.mtsu.edu/cribb/100oceans.html

Continental Shelf - A shallow, nearly level area of continental crust covered by ... Continental Slope - The relatively steep slope between the continental slope and the ... Are characterized by submarine canyons and abyssal fans (submarine fan) - a .... Others represent sand dune ridges which formed during Pleistocene ...

www.nps.gov/grca/learn/education/upload/geoarticle-2.pdf

If you came to Grand Canyon area 515 million years ago ... grained sandstones rich in iron that create a gentle, red ... be seen in the rock, giving evidence to the sand dunes that once covered the area. Do the cliffs and slopes make this layer.

www.indiana.edu/~geol105/images/gaia_chapter_5/sedimentary_structures.htm

environment is characterized by a different sediment type. ... When cross-bedding forms, sand is transported as sand-dune like bodies (sandwave), in which sediment is moved up and eroded along a gentle upcurrent slope, and redeposited ... After several of these bedforms have migrated over an area, and if there is more ...

www.kgs.ku.edu/Publications/Bulletins/84/03_physiog.html

Nov 13, 2013 ... The Smoky Hill Valley area lies within two major physiographic .... is bordered on the north by sand hills, which form low bluffs with gentle slopes (Pl. 2B). ... This area is characterized by typical sand-dune topography, having ...

www.kgs.ku.edu/General/Geology/Finney/03_geog.html

The slope of the surface is more gentle than the slope of the upland surface ... This area is characterized by typical sand-dune topography having moderate ...

uregina.ca/~sauchyn/geog323/eolian.html

impact of entrained sand grains against rock surfaces and other grains; yardangs ... it develops the dune asymmetry characterized by a gentle windward slope and a ... so the stability of parts of a parabolic dune and the presence of vegetation ...