Sentences with phrase «where soot»

Smoke from the fires is lofting high into the atmosphere, and is drifting toward the Arctic, where soot can hasten the melting of snow and sea ice.
In developing computer models of nuclear - winter scenarios, researchers use both Hamburg and the Hiroshima firestorms as example cases where soot might have been injected into the stratosphere, [4] as well as modern observations of natural, large - area wildfires.
Other particles such as soot (black carbon) absorb the sunlight and drive temperature rise, leading to local warming of the atmosphere level where the soot particles circulate.
The researchers identified where the soot went and also determined how much warming it caused there.
«Not only where the soot came from, but also how the air moves it, and how much got removed on its path.»
A UCLA research team takes measurements in Greenland, where soot has darkened the ice in some areas, contributing to melting.
The study examined what the future could look like in an idealized world where soot and methane emissions were severely cut by 2035.

Not exact matches

This was because the soot in the atmosphere from the burning of coal darkened the tree trunks where the moths would rest, rendering the white moths easy prey while the black moths remained well camouflaged.
However, some of the newly built roads have sedimentation dams, where the road runoff rest for some weeks while rubber, soot and dust sink to the bottom, protecting the surrounding environment from road contamination.
«In fact,» Manin said, «without such a specific optical arrangement, quantifying soot via light attenuation in high - pressure spray flames, where beam steering is more severe, would not be possible.»
This initial field season focuses on southwest Greenland, at a «dark snow» site where collaborators Jason Box and Marek Stibal of the Geological Survey of Denmark and Greenland have been quantifying the soot and mineral dust that settles onto Greenland.
Propelled by the force of the eruption, gray and black particles of ash, dust, and soot rose high into the atmosphere, some as high as twenty - five miles above the crumbling peak of the mountain, where the winds began to spread them in all directions.
But because of the small soot particles» adverse health effects (their size allows them to enter the lungs, where they can cause respiratory distress), limiting black carbon production will have beneficial effects.
There is also the challenge of sorting out whether soot promotes the formation of clouds and, if so, where?
And the bulk of these deaths would occur in Asian countries such as India and China, the researchers concluded, where households often use soot - emitting stoves and furnaces powered by wood.
Black carbon warms the atmosphere because of its ability to absorb radiation from the sun, but its effect can be especially pernicious in polar regions, where, falling on bright ice, the soot diminishes the regions» ability to reflect away heat.
By pinpointing sources of soot that would make the biggest difference when cut, the study points to areas where cutting pollution could provide a large impact.
Researchers determined which areas around the plateau contributed the most soot - and where.
«Using computer modeling he developed over 20 years, Jacobson has found that carbonaceous fuel soot emissions (which lead to respiratory illness, heart disease and asthma) have resulted in 1.5 million premature deaths each year, mostly in the developing world where wood and animal dung are used for cooking.
RICHLAND, Wash. — Using a climate model that can tag sources of soot from different global regions and can track where it lands on the Tibetan Plateau, researchers have determined which areas around the plateau contribute the most soot — and where.
We track down where you can ride the rails - and taste the soot Britain's top 10 breathtaking views: the best cheap hotels to stay at if you're planning a visit.
We track down where you can ride the rails - and taste the soot
Director G. W. Pabst brings a claustrophobic realism to this ticking - clock scenario, using realistic sets and sound design to create the maze of soot - choked shafts where the miners struggle for survival.
Dvornich mentions one middle school in Washington where a student from each of the seventh - grade classes was asked to come to school early to monitor soot trays that had been baited with food the evening before.
The report described one school that consisted entirely of voucher students that existed in just two classrooms in «a soot - stained storefront» where students used a gymnasium two miles down the road.
Likewise, a special investigation conducted by the Washington Post found serious problems with the voucher schools in DC, including: «One of those schools was run out of a soot - stained storefront on Georgia Avenue; another unaccredited school was supported by the Nation of Islam and was run out of a rowhouse in Deanwood where the bathroom had a floor blackened with dirt, a sink coated in grime and a bathtub filled with paint cans and cleaning supplies.»
My S60 has a developing problem where considerable quantities of soot are emitted from the exhaust.
Where it could go wrong VW's diesel scandal will rear its soot - covered head, and though we don't yet know its full financial implications, expect cost - cutting to affect niche products such as this.
It's good old fashioned black carbon soot — a visible pollutant with measurable effects on human health both in poor places, where it comes from cooking or heating using coal, firewood or dung, and rich countries, where it is produced mainly through the combustion of diesel and similar fuels and from some industries.
To be fair to Hansen, this is one where he was spot on correct — and I well remember one guy telling the dogmatists at realclimate.org that Hansen was actually correct and demonstrating this with satellite pics of soot which almost exactly matched the satellite temperature plots.
It's a good question, though, how far north the soot gets; the main effect will be in lower latitudes, where snow is melting (and expose dark earth) earlier in the spring.
«Before and during the collection period there were no documented fires that could have affected the biosphere where the samples were collected, and no evidence of soot was observed in the samples.
If they are only going from 1950 to 2010 and taking areas that were already urbanized at the initiation of the evaluation, it isn't difficult to imagine scenarios where lighter building materials and a reduction in soot more than counteracted any growing UHI effect.
In Villa Nueva, where a fine layer of soot can coat the skin, the hand - me - down coal plant in many ways represents environmental progress.
There are actual satellite plots available of soot distribution where you can easily see a build up in the Arctic, wherever it comes from.
Make soot - free engine technology available in all 20 targeted cities; where clean fuels are available today, this technology will be available no later than 2018; cities without clean fuels must first make these available
That same black soot floats higher into the air, where it helps to change the way clouds form - and so to warm the climate.
The US government needs to demonstrate that limiting CO2 emission in the US doesn't drive the emission overseas where there is less control for associated emissions like soot, sulfates, and nitrogen compounds which have immediate and well known hazards to health.
In the WGII Report, where they are examining the impact of global warming as it relates to soot and other «pollutants» it is the opposite, with a definition of particulates but none for aerosols.
I put to you that the reversal was volcanic ash and CO2 accumulating to the point where the high albedo of ice was finally overcome by a coating of dark volcanic soot and CO2 level in the 10,000 ppm range.
Now that's where the focus of responsible conservation need be — on soot and particulate matter.
A more certain method of reducing global arming caused by both fossil - fuel soot and carbon dioxide is to convert vehicles from fossil fuels to electric, plug - in hybrid or hydrogen fuel cell vehicles, where the electricity or hydrogen is produced by a renewable energy sources [sic], such as wind, solar geothermal, hydroelectric, wave, or tidal power.»
A lot of folks, including myself, think that the recent melting of Arctic sea ice and rising Arctic temperatures is more attributable to Asian black carbon pollution than to CO2 and greenhouse gas warming (particularly since similar warming and sea ice melting is not seen in the Antarctic, where there is not a problem with soot pollution).
Where does the soot come from?
Exclude cover where there has not been any actual flame damage (such as damage from scorching, melting, heat, smoke, ash or soot).
I was perhaps a little more cautious than others, having experienced in a prior residence, a cracked heat exchanger in a gas furnace, where the net result was a sixty three thousand dollar insurance claim, when a soot like residue permeated every wall, ceiling, and brand new broadloom in the whole house.
They follow the studs on the walls, and also there is soot along the places where the walls and ceilings meet, and around any wall sockets.
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