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Topic: Dust storm

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	Dust storm: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-11-06)
		Dust storms are also known to occur on a massive scale on the planet Mars Mars quick summary:
		The dust bowl, also known as the "dirty thirties", was a series of dust storms caused by a massive drought that began in 1930 and lasted until 1941....
		Storm of the century is a term usually applied to a particularly damaging or notable weather event (such as a blizzard or hurricane) during a specific century....
	www.absoluteastronomy.com /encyclopedia/d/du/dust_storm.htm (1302 words)

	Department of Public Safety Safety Tips-Dust Storms
		Dust storms are caused when high winds sweep across unplanted agricultural fields or dry desert terrain, causing dust to engulf nearby highways.
		Dust storms are generally brief, but must be taken seriously because of blinding conditions on the highways.
		Dust storms are more common between the May and September on Interstate 10 between Phoenix and Tucson, Interstate 10 between Benson and the New Mexico State line, and on Interstate 8 between Casa Grande and Yuma.
	www.dps.state.az.us /safety/safetytips/duststorms (228 words)

	Dust Storm in Opposition :: Astrobiology Magazine ::
		The dust storm, which is nearly in the middle of the planet in this Hubble view is about 930 miles (1500 km) long measured diagonally, which is about the size of the states of Texas, Oklahoma, and New Mexico combined.
		The large regional dust storm appears as the brighter, redder cloudy region in the middle of the planet's disk.
		This storm has been churning in the planet's equatorial regions for several weeks now, and it is likely responsible for the reddish, dusty haze and other dust clouds seen across this hemisphere of the planet in views from Hubble, ground-based telescopes, and the NASA and ESA spacecraft studying Mars from orbit.
	www.astrobio.net /news/modules.php?op=modload&name=News&file=article&sid=1767 (599 words)

	Dust Storms \| Weather \| Desert \| Sand \| Wind Storms (Site not responding. Last check: 2007-11-06)
		Dust storms usually arrive without warning and advance in the form of a big wall of dust and debris.
		During the 1960s there were eight dust storms that caused some serious damage; 13 more in the 1970s; 14 in the 80s and more than 20 in the 1990s.
		Researchers said the storms cost Australia about $20 million a year in medical bills because of asthma and respiratory disease which is thought to be caused by dust storms.
	www.kidzworld.com /site/p707.htm (430 words)

	Geoindicator: Dust storm magnitude, duration, and frequency (Site not responding. Last check: 2007-11-06)
		BRIEF DESCRIPTION: The frequency, duration and magnitude (intensity) of dust storms are gauges of the transport of dust and other fine sediments from arid and semi-arid regions [see wind erosion].
		Dust storms remove large quantities of surface sediments and topsoil with nutrients and seeds: in the 1930s, drought and dust storms created the 'Dust Bowl', greatly reducing agricultural production on the North American prairies at that time.
		Dust storms are also an important source of nutrients for soils in desert margin areas.
	www.gcrio.org /geo/dust.html (488 words)

	Marine Corps News -> Dust in the wind: A wall of sand moves through Al Asad (Site not responding. Last check: 2007-11-06)
		The storm was spawned near the border of Syria and Jordan.
		According to weather officials a dust storm this strong is extremely rare for this region of Iraq.
		As the storm moved closer the sky changed to a shade of orange until total darkness blanketed the ground.
	www.marines.mil /marinelink/mcn2000.nsf/lookupstoryref/2005426134811 (722 words)

	Dust Storm Safety (Site not responding. Last check: 2007-11-06)
		A dust storm usually arrives suddenly in the form of an advancing wall of dust and debris which may be miles long and several thousand feet high.
		Dust storms usually last only a few minutes, but the actions a motorist takes during the storm may be the most important of his or her life.
		If dense dust is observed blowing across or approaching a roadway, pull your vehicle off the pavement as far as possible, stop, turn off lights, set the emergency brake, take your foot off of the brake pedal to be sure the tail lights are not illuminated.
	www.nws.noaa.gov /om/brochures/duststrm.htm (291 words)

	The Independent Florida Alligator (Site not responding. Last check: 2007-11-06)
		Dust clouds, especially at this time of year, are not uncommon.
		Dust outbreaks start when tropical waves lift sand from the Sahara a couple miles into the sky, reducing it to even smaller particles.
		The dust drifts west on a dry tropical wave.
	www.alligator.org /pt2/050726ap4.php (209 words)

	ipedia.com: Dust storm Article (Site not responding. Last check: 2007-11-06)
		A dust storm is a meteorological phenomenon common on the Great Plains of North America, Arabia, in the Gobi Desert of Mongolia, the Taklamakan Desert of northwest China, the Sahara Desert of northern...
		A dust storm is a meteorological phenomenon common on the Great Plains of North America, Arabia, in the Gobi Desert of Mongolia, the Taklamakan Desert of northwest China, the Sahara Desert of northern Africa, and other arid and semi-arid regions.
		Dust storms on Mars last longer, and cover larger areas, than on Earth: some of these storms cover the entire planet and last for hundreds of days.
	www.ipedia.com /dust_storm.html (238 words)

	SPACE.com -- Major Dust Storm on Mars Visible with Backyard Telescopes
		Mars on Oct. 27 and 28, 2005 as the dust storm emerged.
		The dust storm was no more than a small bright dot Thursday yet it was large and obvious Friday, as seen in images taken by Clay Sherrod at the Arkansas Sky Observatories.
		Small storms have been known to swell and engulf the entire planet, as occurred in 2001.
	www.space.com /scienceastronomy/051028_mars_storm.html (968 words)

	TES Dust Storm Movie (Site not responding. Last check: 2007-11-06)
		The warming in the southern hemisphere is due to direct heating of the dust as it absorbs sunlight.
		As a result, the martian atmosphere is warming in the northern hemisphere in advance of the expanding dust storm.
		Dust storms are an important part of the martian climate, with major differences from one year to the next in the number, size, and intensity of these storms.
	tes.asu.edu /webdata/dust_mov/dust_mov_sm.html (636 words)

	New Page 1
		Northerly winds are removing topsoil and then the clouds of dust were raised as high as 16,000 feet by colliding southerly winds.
		Dust is too much for this farmer's son in Cimarron County, Oklahoma.
		The Dust Bowl and drought devastated some farm families in the early 1930's, such as this 32 year old mother of seven.
	www.weru.ksu.edu /new_weru/multimedia/dustbowl/dustbowlpics.html (289 words)

	4x4s whip up a worldwide dust storm : Mail & Guardian Online
		Dust storms emanating from the Sahara have increased tenfold in 50 years, contributing to climate change as well as threatening human health and destroying coral reefs thousands of kilometres away.
		Dust storms were now common in the US and could lead to a disease, Valley Fever, an allergic reaction to pesticides in the dust which caused inflammation of the nose and throat, killing several people a year.
		Dust storms are typically 200km wide and carry 20 to 30-million tons of dust.
	www.mg.co.za /Content/l3.asp?ao=120699 (1077 words)

	NASA - Iraq Dust Storms
		A number of Iraqis were quoted as saying that this dust storm is the worst they have seen in years.
		The storm swept southeast through Iraq toward the Persian Gulf with the city of Baghdad in the middle of its path.
		Dust storms such as the ones pictured here are driven by a northwest wind called the shamal (or shumal, or shimal) that can rip through the Tigris and Euphrates River valleys of central and southern Iraq at any time of the year, but which blows almost constantly through June and July.
	www.nasa.gov /vision/earth/lookingatearth/iraq_dust_storm.html (372 words)

	New Scientist Breaking News - Mars dust storm 'no big deal' for landers
		The dust storm (green) was imaged by the thermal emission spectrometer on Mars Global Surveyor on 14 December
		Dust storms usually occur from spring to early summer, but it is now late summer to early autumn in Mars' southern hemisphere.
		Plentiful dust would cause the planet's atmosphere to be heated and expanded, but such a change can be accounted for in the last-minute adjustments that will be made to the crafts' approach.
	www.newscientist.com /article.ns?id=dn4490 (495 words)

	BBC NEWS \| Science/Nature \| Dust storm rages on Mars
		The dust storm began in the Hellas basin, one of the lowest regions of Mars, and a frequent breeding ground for such events.
		Dust storms occur during most Martian southern hemisphere summers, because at that time of year sunlight is strong enough to heat the ground and alter atmospheric circulation.
		Over the course of the next few days, it became clear that a major dust storm had erupted on the planet and was growing rapidly.
	news.bbc.co.uk /1/hi/sci/tech/3051548.stm (340 words)

	Mars Exploration: Multimedia
		Sometimes, though rarely, dust storms on Mars can be fierce enough to blanket the whole planet in a dusty haze for weeks, as the Mariner 9 spacecraft found out.
		Dust devils are spinning columns of wind that move across the landscape, pick up dust, and look somewhat like miniature tornadoes.
		Dust devils are a common occurrence in dry and desert landscapes on Earth, as well as Mars.
	mars.jpl.nasa.gov /gallery/duststorms (430 words)

	BBC NEWS \| Science/Nature \| Dust storms threaten Mars landers
		Mars on 13 December as the dust storm was spreading
		The scientists say some small storms are combining to obscure a large part of the planet's northern hemisphere.
		Dust in the atmosphere could be deposited on their solar panels, reducing the amount of energy they generate throughout their missions.
	news.bbc.co.uk /1/hi/sci/tech/3323095.stm (322 words)

	2001 News Releases - Dust Storm Swallows Half of Mars
		The largest dust storm to be seen on Mars since NASA's Mars Global Surveyor spacecraft arrived in 1997 is currently raging across about half the planet.
		Scientists first noticed the onset of the storm June 15, 2001 when a region of dust began to appear in the Hellas Basin in the southern hemisphere.
		The storm should not have a major impact on the planned arrival of another spacecraft, the 2001 Mars Odyssey, in October, Christensen said.
	www.jpl.nasa.gov /releases/2001/duststorm_010709.html (463 words)

	May 23, 2001: Dust Bowl Threatening China‘s Future
		These dust storms, coupled with those of last year, were among the worst in memory, signaling a widespread deterioration of the rangeland and cropland in the country’s vast northwest.
		News reports typically attribute the dust storms to the drought of the last three years, but the drought is simply bringing a fast-deteriorating situation into focus.
		It means converting highly erodible cropland back to grassland or woodland, reducing the livestock population, and planting tree shelter belts across the windswept areas of cropland, as U.S. farmers did to end dust storms in the 1930s.
	www.earth-policy.org /Alerts/Alert13.htm (1252 words)

	Wired News: Mars Engulfed by Massive Storm
		Because of the storm, NASA engineers are considering slight changes in the flight path of a spacecraft scheduled to land on Mars in less than two weeks.
		In June, the storm apparently grew from a smaller duster that appeared in a plain in the Hellas basin.
		The storm is now calming a bit, Christensen said, but as the planet comes closest to the sun in upcoming months, more storms might occur.
	www.wired.com /news/technology/0,1282,47511,00.html (741 words)

	Planet Gobbling Dust Storms
		An enormous dust storm exploded on Mars three weeks ago, shrouding the planet in haze and raising the temperature of its atmosphere a whopping 30 degrees C. Listen to this story
		A modest dust storm brewing in Hellas Basin (the large impact ring near the lower left of each hemisphere) suddenly exploded on June 27th and quickly enveloped the whole planet.
		Before the ongoing dust storm began, a modest 8 or 10 inch telescope trained on Mars would reveal dark markings and polar caps.
	science.nasa.gov /headlines/y2001/ast16jul_1.htm (1613 words)

	2001 News Releases - Scientists Track "Perfect Storm" on Mars
		The Martian dust storm, larger by far than any seen on Earth, has raised a cloud of dust that has engulfed the entire planet for the past three months.
		This storm is being closely watched by the team operating NASA's 2001 Mars Odyssey spacecraft, which is heading toward a rendezvous with the Red Planet later this month.
		Both Hubble and Global Surveyor caught the storm erupting in late June, which was unusually early in the spring of the Martian northern hemisphere compared to previous large storms.
	www.jpl.nasa.gov /releases/2001/release_2001_199.html (692 words)

	Mars Exploration Rover Mission: Press Release Images: Spirit
		In the mid-afternoons as the summer solstice approached, dust devils were a very common occurrence on the floor of Gusev crater.
		The early-spring dust devils tended to move southwest-to-northeast, across the dust devil streaks in Gusev seen from orbit.
		Increasingly as the season progresses, the dust devils are seen moving northwest-to-southeast, in the same direction as the streaks.
	marsrovers.jpl.nasa.gov /gallery/press/spirit/20050819a.html (1209 words)

	Dust Storm on Mars
		One of the characteristics of the present dust storm is its expansion deep to the northern hemisphere.
		The thermal signature of the storm in the Mars Global Surveyor horizon sensor data (15 micrometers wavelength in the infrared; this is a bulk measurement of the atmospheric temperature, which rises as sunlight heat the dust) appears to develop along with the visual evidence of bright yellow clouds.
		As I have written, the dust storm has already been global (in the scale), and on 4 July we witnessed that the dust reached the north polar region and the morning side of the nph clearly showed an off-white tint, thought the evening cloud patch was still whitish bright.
	elvis.rowan.edu /marswatch/2001/duststorm.html (7495 words)

	Erosion Control -- Dust: Invisible, Dangerous, Avoidable
		They have respiratory problems or asthma or are allergic to dust or dust mites, which there are a lot of.
		If I were a developer putting in 300 homes with a dust control plan and up against two developers who have no such plans, I’d advertise that we were ‘proper stewards of the landcome live here,’ resulting in increased customers, neighborhood loyalty, and improved employee morale.
		Observes dust control’s godfather, Vitale, "I would say that we were one of the first companies organized to specifically address the need for dust control.
	www.forester.net /ec_0003_dust.html (3890 words)

	APOD: 2000 October 9 - A Polar Martian Dust Storm (Site not responding. Last check: 2007-11-06)
		Explanation: On August 29, a large dust storm was photographed erupting out from the north polar cap of Mars.
		dust storms are not uncommon as summer advances in the north.
		As the north polar cap region begins to thaw, a temperature difference occurs between the cold frost region and recently thawed surface, resulting in swirling winds between the adjacent regions.
	antwrp.gsfc.nasa.gov /apod/ap001009.html (152 words)

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