In inland deserts, parabolic dunes commonly originate and extend downwind from blowouts in sand sheets only partly anchored by vegetation.
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These parabolic dunes form Queensland's most extensive mainland transgressive dune system, slightly larger than those found at Cape Flattery.
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A type of extensive parabolic dune that lacks discernible slipfaces and has mostly coarse grained sand is known as a " zibar ".
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The shifting, parabolic dune system is home to a variety of birds and rare plants and is also a site of significant archeological interest.
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The shifting, parabolic dune system is home to a variety of birds and rare plants; it is also a site of significant archeological interest.
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The stability of the dunes was once attributed to the vegetative cover but recent research has pointed to water as the main source of parabolic dune stability.
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Most of the time, exposures become quickly re-vegetative before they could become blowouts and expand; however, when the opportunities are given, parabolic dunes.
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These high dunes on the west of Eighteen mile swamp provide excellent examples of long parabolic dunes migrating across North Stradbroke island from the south-east to the north-west.
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Additionally, when the wind flows on top of the blowout s lateral walls, sediment transport is at its maximum in the middle axis of the trough depositional lobe, leading to formation of a parabolic dune.
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While the dunes don't change location or size that often, there are still parabolic dunes that start in the sand sheet, the outer area around the dunes, and migrate towards the main dune field.