- term in 1881,
working from the
occurrence of
barchans in
Turkestan and in
other inland desert regions.
Barchans "face" the wind,
appearing convex, and are...
- 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...
-
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...
-
unidirectional wind. In the
sheltered troughs between highly developed seif dunes,
barchans may be formed,
because the wind is
constrained to be
unidirectional by...
- the
coexistence of
linear and
barchan dunes in
Hyperboreae Undae. One
paper explains the
change from
linear to
barchan dunes in
adjacent locations, by...
-
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...
-
transverse dunes,
simple barchan dunes, mega-
barchans, and
complex barchanoid ridges. All of
these dune
types occur on
Earth too.
Barchans are isolated, crescent-shaped...
- up to 120
metres (390 ft) high.
Certain crescent-shaped dunes,
known as
barchans, are
actually mobile; the wind can push
these dunes as much as 20 to 30...
-
design of ****ure Mars expeditions. The
dunes of the
Patera field are of the
barchan type and
their study by
HiRISE was the
first one to
establish dune and...
-
highlands (Sultanuizdag, Bukantau). Most of the area is
covered with
dunes (
barchans); in the
northwest large areas are
covered with
takirs (clay coatings);...
