Sentences with phrase «of wind erosion»

Their action can be taken as an unproductive yet poetic form of wind erosion, directed toward this uniquely uncorrupted material from a time when there were no life witnesses to the planet's geological transformation.
Their findings show that adding camelina or safflower into the crop rotation increased the chances of wind erosion late in the fallow cycle.
Another possibility is that the area was fractured by the impact that created Endeavour Crater, then rock dikes filled the fractures, and we're seeing effects of wind erosion on those filled fractures.»

Not exact matches

In this study, the effects of sea level rise (assumed to continue at present, at the time of the study, rates, which the authors noted was likely conservative), wave fetch, wind speed and direction were examined and the resultant erosion rate was estimated for the Western and Eastern shore of Uppands, Port Isobel and Tangier Island by selecting 10 points along the western and eastern shoreline of all the islands.
Perhaps of all materials that have been used, hard stone is the most enduring, though even this is subject to destructive erosion if exposed to wind and weather.
The causes are manifold including overuse of chemical fertilizers that tend to destroy soil structure, salting from irrigation and wind erosion.
This is done by adding compost on pasture to increase soil health, planting wind breaks and hedge rows to reduce soil erosion, planned rotational grazing of animals to best manage pasture health, and planting perennial grasses to increase underground root systems.
The introduction of trees to form agroforestry systems provided sources of firewood, timber, fruits and shade, but also helped in erosion control, protecting water courses through the stabilization of the soil and as wind breaks, regulating the velocity of the winds.
This erosion experiment from Inspiration Laboratories looks at different types of erosion: wind, water, and glacial.
Unlike natural bridges on Earth, which form largely by erosion from wind and water, these lunar bridges probably formed as a result of an impact in the last billion years, says Mark Robinson, a planetary geologist at Arizona State University in Tempe and principal investigator for LRO's camera.
Also at the meeting, Francis McCubbins, a colleague of Agee's at the University of New Mexico, presented evidence that the rounded appearance of the large faint pebbles suggests erosion by water or wind.
Compressional forces, on the other hand — forces that are delivered vertically, such as the impacts of hooves, tires, and feet — can break up the soil and make it vulnerable to wind erosion.
«But the stellar wind can significantly contribute to the long - term erosion and atmospheric loss of many exoplanets, so the climate models tell only part of the story.»
Balancing boulders on Earth are either deposited by glaciers or carved by wind and water erosion — none of which exist on a comet.
Soil erosion by water accounts for the greatest loss of soil in Europe compared to other erosion processes, such as wind.
Erosion has also increased during winter; shrinking lake ice — a product of climate change — does not protect the dune from winter winds as it has in the past.
«Farmers will need to protect the soil from wind erosion during the fallow phase after harvest of oilseed crops,» says Sharratt.
«You can take the geography of a salt marsh and the estuary around it, and if you understand the wind climate and the wave climate, using historical data, you now can predict the marsh erosion,» says Ganju.
At Oxia Planum, the clays were covered by other material for billions of years and then recently uncovered by wind erosion.
Built up over the ages by wind - blown sands from the nearby Gobi Desert and Qaidam Basin, the plateau has long boasted some of the world's most erosion - prone soils.
Okin, a member of UCLA's Institute of the Environment and Sustainability, usually researches dust bowls, desert landscape dynamics and wind erosion, and how those things can impact individual ecosystems and the global climate.
Forces of erosion, including wind, rain and runoff, slowly wear them down over time.
These columns of windswept sand — which can cause roadway pileups, eat away at buildings and machinery, and drive larger processes such as erosion and dune formation — consisting of many millions of interacting particles propelled by ever - changing winds.
Coastal erosion is common phrase referring to the loss of subaerial landmass into a sea or lake due to natural processes such as waves, winds and tides, or even due to human interference.
«Some of the observed features included ancient river beds, craters, massive extinct volcanoes, canyons, layered polar deposits, evidence of wind - driven deposition and erosion of sediments, weather fronts, ice clouds, localized dust storms, morning fogs and more,» NASA wrote in a summary of the mission.
The soft red sandstone Supai group is easily sculpted by wind and rain erosion; harder sections of the Coconino formation on top of the red sandstone can protect somewhat the underlying the softer rocks, leading to the characteristic columns and spires typical to Sedona.
The dark streaks with bright margins emanating from craters in the Oxie Palus region, upper left of image, are caused by erosion and / or deposition by the wind.
«If the structure is indeed the result of the 2004 impact, we would expect it to have undergone about 10 years of alteration by processes such as snow accumulation, erosion by the wind, and deformation by the flow of the ice shelf itself.»
On a much larger scale, waves, currents, wind, and tides form complex interactions over time to cause erosion along some stretches of shoreline and accretion (growth) in others.
Causes of erosion include wind, water (including rainfall and floods), the scouring action of glaciers, and the repeated cycles of freezing and thawing that often occur in some areas of the world.
Without a magnetic field generated by a rotating molten metallic core, the atmosphere of such a planet would also face progressive erosion by the stellar wind of its host star.
This can cause serious damage to fins, erosion of skin, constant bleeding, and open wounds at risk of infection.
Picture fifth graders gathered around a table where teachers are modeling the effects of sand erosion by wind and water.
With the episodic cycles of droughts, overgrazing and soil - stripping this island has experienced, along with wind and water erosion, the island's vegetation has been severely affected in the past.
An hour later, we make our last stop for seeing the stunning «Castillos de Callalli», which is a sort of castle - shaped rocky formation made by water and wind erosion.
The wind and the erosion gave them their current funny shapes that created a very one of a kind landscape.
Princen has also been known to reference scientific measuring systems, mapping, and amateur anthropology in his work, and his artistic practice has involved plotting ecological changes — water currents, wind patterns, and soil erosion, as well as the impacts of urban developments on the Dutch landscape.
The paintings were not literal renderings of the mountainous and rugged terrain, but instead captured the spartan forms and sculpted surfaces like those shaped by centuries of erosion and movement of wind and water as well as upheavals from tectonic shifts deep within the earth.
During a stop near Sydney, Australia, mainly framed around urging young people to join the Church, Pope Benedict XVI on Friday also spent time describing nature's wonders and wounds — «scars which mark the surface of our earth, erosion, deforestation, the squandering of the world's mineral and ocean resources in order to fuel an insatiable consumption.»
- the later directly by putting dust in the ocean (or erosion and river / wind transport there) or indirectly by taking up CO2 on land) but at least the carbonate dissolution could take the place of carbonate dissolution in the ocean (and be more rapid?)
From a story on «how a donkey inspired a community to save itself» to a family divided on wind power to concerns about coastal erosion through the eyes of a Texas town, the radio series captures the struggles of every - day Americans as they come to terms with change in their communities.
Since coming to PNNL, he has led or been significantly involved in studies of effects of surface heterogeneity on boundary layer structure, of mesoscale atmospheric flows induced or modulated by complex terrain, of the simulation of dust emission by wind erosion, and of the capabilities of a variety of atmospheric instruments — including a mass spectrometer and wind profiling radar — for measuring atmospheric turbulence.
In these events, cold - air usually penned in the Arctic by winds known as the polar vortex, broke out and reached the U.S. and Europe due to an erosion of the vortex, an erosion that may have been driven by an abnormally warm Arctic.6
Erosion - The process of removal and transport of soil and rock by weathering, mass wasting, and the action of streams, glaciers, waves, winds and underground water.
tonyb, Black carbon, regular ash and wind erosion along with other hydro - logical changes from decimating beavers to draining wet lands to fight malaria likely have and will continue to have large impacts on climate, but who is to say that most of that hasn't been a good thing in terms of mankind?
From Australia to the Sahara & Sahel to the deserts of the Middle East & northwest India to the American West, human activity has destroyed fertile grasslands, and exposed the underlying soil to erosion by winds and rivers.
Many local impacts of forest loss are well known: drier soils, stronger winds, increased erosion, loss of shade and habitat.
Soil management to increase soil carbon sequestration may also reduce the amount of wind and water erosion due to an increase in surface cover.
These areas may experience tropical storm conditions with wind gusts to 30 - 60 mph, 1 - 3 inches of rain, and beach erosion.
Black carbon deposits, deforestation (increasing wind - based erosion), lack of precipitation, etc..
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