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Barchans usually occur as
groups of
isolated dunes and may form
chains that
extend across a
plain in the
direction of the
prevailing wind.
Barchans and...
- The
Barchans is a
group of
small snow-capped
islands marking the west end of the
Argentine Islands, in the
Wilhelm Archipelago.
Charted by the British...
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areas of
bedrock or reg.
Barchans migrate up to 30
meters (98 ft) per year, with the
taller dunes migrating faster.
Barchans first form when some minor...
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unidirectional wind. In the
sheltered troughs between highly developed seif dunes,
barchans may be formed,
because the wind is
constrained to be
unidirectional by...
-
Barchan (Persian: بارچان, also
Romanized as
Bārchān; also
known as Bārchūn) is a
village in
Garkan Rural District, Garkan-e
Jonubi District, Mobarakeh...
-
district have
scattered dunes,
these being mostly parabolic,
longitudinal barchans and
obstructed dunes,
oriented in NNE-SSW to NE-SW directions. Vegetation...
-
beach protected by a
ledge of
exposed beach rock. Dunes,
including some
barchans, are
migrating across the
southern part of the
isthmus towards the Gulf...
-
drift like the sand
grains in
barchan dunes, and the
resulting drifting snow
shapes are also po****rly
referred to as
barchans.
Inuit of
Canada call them...
-
highlands (Sultanuizdag, Bukantau). Most of the area is
covered with
dunes (
barchans); in the
northwest large areas are
covered with
takirs (clay coatings);...
- to a loud low-pitch rumble. It
emanates from crescent-shaped dunes, or
barchans. The
sound emission accompanies a
slumping or
avalanching movement of sand...
