Sentences with phrase «dune fields»
The phrase "dune fields" refers to large areas covered with sand dunes. It means that there are many sand hills or mounds in a particular region, often found in deserts or coastal areas where the wind moves the sand to create these formations. Full definition
• home to the Big 7 • see one of the most dense African elephant populations on earth • home to the flightless dung beetle • the largest coastal dune field in the southern hemisphere • self - drive and horse trail options
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Dune Ridge is an award winning Country House nestled between thick coastal Fynbos teeming with a multitude of bird species and large dune fields to the rear of the property.
The poles are covered with hydrocarbon lakes and boast few craters, while the equator is a vast dune field peppered with impact scars.
The Alexandria Dune field is one of the park's lesser explored highlights, a shifting sand dune that includes ancient midden deposits from original strandlopers along these shores.
This particular eruption surrounds Walvis Bay and stretches north along the Skeleton Coast and south to the orange dune fields of the Namib Desert.
Global Surveyor also returned tantalizing evidence of recent shifting sands in dune fields first seen in Mariner 9 pictures of Mars from the early 1970s.
Scientists are interested in dune fields isolated within large impact craters because their dark color suggests that the dust covering much of the rest of the planet does not accumulate there.
Last September, the orbiter studied the equatorial zone, where large sinuous channels wind near dune fields.
The mission's dune - investigation campaign is designed to increase understanding about how wind moves and sorts grains of sand, in an environment with less gravity and much less atmosphere than well - studied dune fields on Earth.
One hindrance to real - world studies of entire dune fields is the amount of time required to acquire sufficient data: it often takes several decades to compile thorough measurements.
David Thomas of the University of Oxford and his colleagues investigated what might happen to the immense dune fields in southern Africa over the coming years using three global climate models.
On top of the Supai group is the whitish / grayish Coconino Formation — a younger, thick sandstone layer, deposited in the mid-Permian, in giant wind - blown dune fields (such locations are also known as erg, Arabic for sea of sand).
Gale crater, where the Curiosity rover landed in 2012, features extensive dune fields around the base of Mount Sharp, and the rover is now approaching some of them for the first time; their dark color makes them stand out starkly against the surrounding terrain.
Orbital view of the first sand dune that Curiosity will visit, known as «Dune 1,» part of the Bagnold Dunes dune field.
Formed after eons of meteorite impacts, these tiny grains create Mars» famous dune fields and are blown high into the atmosphere, sometimes creating global dust storms.
Start: Woody Cape, Alexandria State Forest Finish: mouth of the Great Fish River Duration: 80 km, 5 days Fitness: moderate to difficult Our tip: highlights include wild and deserted beaches, the largest shifting dune fields in the southern hemisphere, shipwrecks, and the Diaz Cross
Very low biomass (a drop below a 14 % cover threshold) is very likely to make the Kalahari desert dune system in southern Africa susceptible to aeolian erosion (Thomas and Leason, 2005) and, with regional warming of between 2.5 and 3.5 °C, most dune fields could be reactivated by 2100 (Thomas and Leason, 2005).
Vast dune fields that look as if they were lifted from the Sahara sprawl along Titan's equator, yet the dark grains resemble ground asphalt rather than sand.
For extraordinary beauty and solitude you can't beat the Alexandria dune field, often also called a dune sea.
White Sands National Monument, New Mexico This park is one of the largest dune fields the world, made of rare, blinding white gypsum sand.
«You see exactly the same kind of wind tails behind mountains and dune fields in places like Namibia and the Arabian Desert,» explains University of Arizona planetary scientist Ralph Lorenz.
After examining the dune field, Curiosity resumed climbing the lower portion of Mount Sharp.
They appear uncannily alike in size and shape to dune fields in the Sahara, Namibia and Saudi Arabia.
The last time the dune fields moved this much was more than 14,000 years ago, the scientists report in the current issue of the journal Nature.
Dr Orengo said, «It soon became clear that detecting and mapping topographic features such as levees, riverbeds, bluff lines and dune fields could help provide insight into how palaeorivers behaved and eventually disappeared.»
Titan, like Mars, is known for its dune fields — vast undulating landscapes of wind - blown material.
NASA's Cassini spacecraft has taken measurements of Titan's dune fields and revealed that although the prevailing winds blow from east to west, dunes as high as 300 feet (91 meters) seem to build up in the opposite direction, likely formed by gusts of very strong «rogue» winds that occasionally blow in the opposite direction.