Sentences with word «soot»

Reducing emissions of soot from vehicles and methane from pipelines may not help reduce rates of global warming as much as earlier studies have suggested, new research suggests.

Their study reveals as well that emissions of soot from cargo and noncargo vessels are double the most recent estimates and also independent of engine load.

To investigate the possible role of black soot in causing glacial melt, a team of scientists from Chinese research institutes extracted ice cores from five locations on the Tibetan Plateau (Figure 1).

Wildfires are thought to be contributing to the warming process, as soot on glaciers and ice sheets prevents the reflection of incoming solar radiation back out into space.

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Water is darker than snow, but dust as well as soot from wildfires can also be swept up from far off locales and deposited on the ice sheet.

One of the things that makes this show different from others is that we have, for the first time, his films, his Xeroxes, works made with soot on glass, as well as the drawings and objects and photographs.

«Reduced black soot emissions, in addition to reduced greenhouse gases, may be required to avoid demise of Himalayan glaciers and retain the benefits of glaciers for seasonal fresh water supplies,» Hansen said.

And since people won't be banned from driving, it is more appealing to promote clean and efficient technology standards that would reduce soot particles.

A second UNEP report points out that it is much easier to cut short - lived greenhouse gases like methane, and fine atmospheric particles like soot from inefficient stoves.

Earthjustice litigation, on behalf of public health and environmental groups, spurred the Obama administration to set strong new standards for soot pollution — the first significant update since 1997.

Alternative, more indirect, but not for that reason ultimately not effective approaches must be developed, including «demonstration» projects which show that people working together an have a positive effect on certain contributors to warming, including black soot produced by millions of stoves that use dung for fuel.

Given that there is much more soot in the northern hemisphere, thanks to China and other developing world polluters, might this have something to do with the melting?

When they incorporated aerosol soot into the simulations, the resulting haze even more dramatically enhaced solar heating, thereby further increasing temperatures and lowering relative humidities.

My impression is that the warming effect of soot aerosols is underestimated and the negative effect of combined aerosols is overestimated.

During a postdoctoral fellowship at Princeton University, Kopacz studied black carbon soot deposited in the Himalayas and Tibetan plateau.

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Human - generated aerosols can enter the atmosphere directly, as is the case with soot emitted by internal combustion engines in cars and trucks, he explains.

It will probably lead to the end of diesel and it should be noted that electric cars make soot from tire wear too.

A thick cloud of soot covers most of India, produced in part by millions of small cooking stoves, which typically burn wood.

Zender, physicist Mark Flanner and other colleagues built a model to examine how soot impacts temperature in the Arctic and Antarctic regions.

Since that time, hundreds of studies have affirmed that fine soot causes respiratory and cardiovascular disease and death.

Photo: Public domainOther Truck Fleets, Pay AttentionDid you know that replacing a pre-1994 diesel truck (or at least the engine) with a 2004 - 2006 model could cut soot pollution by about 2/3, and reduce smog - forming nitrogen oxides (NOx) emissions by

And when soot falls on snow or ice, as in the Arctic, its ability to trap heat from the sun helps hasten melting.

Conversely, particles of black carbon or soot absorb heat.

Willis matches that well, piling on an extra layer of brokenness, acquired like soot over the years.

Clean the throttle body and remove soot out of the intake manifold.

The rise in soot levels at Zuoqiupu follows a dip that followed the enacting of clean air regulations in Europe in the 1970s.

But another boost of black soot comes from record fires in the Canadian Boreal forest and Arctic this year.

Scientists will also use soot spectroscopy observations to fine - tune their understanding of how heat - producing activities, such as biomass burning and oil and gas production, contribute to Arctic warming.

During the record - setting wildfire season of 2012, Box was anxious to quickly get to Greenland to collect samples of the ice to see if soot from Colorado was landing on the glaciers, but by that time, traditional sources of science research funding were already allocated, so in his unorthodox, punk rock style, Box set out on his own and set up The Dark Snow Project to crowd - fund his research.

When burned, the paraffin is thought to release carcinogenic soot which can aggravate a number of respiratory issues like asthma, as well as heart issues.

Only in the past few years have scientists begun to realize that some of the dark particles on the ice sheet are in fact these ice algae and not soot, Benning says.

Running the computer model in this way not only showed which source sent the most soot over, but also can determine which source would make the biggest impact if emissions are cut.

This intensifies the regional climate impacts as black carbon soot falling on white ice and snow decreases their reflectivity and contributes significantly to melting of land glaciers and sea ice.

That's because soot only stays in the air for days to weeks.

soot Also known as black carbon particles, these are the residues of incompletely burned materials, from plastics, leaves and wood to coal, oil and other fossil fuels.

Given the recent research about soot, it's likely that NGO's or possibly the UNDP would chip in for the solar oven effort.

Even before soot gets far into the air, it has a particularly harmful effect: it makes people sick.

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.

The addition of a petrol particulate filter should reduce the 308's emission of fine soot particles - known to be a contributor to severe respiratory issues - by a significant amount.