Sentences with phrase «how soot»

They modeled how soot from diesel engines, power plants and other sources affected snowpacks it landed on.

Ironically, it is unclear how soot would affect the climate.

Alabama Power spokesman Michael Sznajderman said it's unknown at this time how the soot regulations will impact specific plants.

The wild exaggerations of both the direct CO2 warming and the supposedly more serious knock - on warming are rooted in an untruth: the falsehood that scientists know enough about how clouds form, how thunderstorms work, how air and ocean currents flow, how ice sheets behave, how soot in the air behaves.

At the same time, increasing depth and duration of drought, along with warmer temperatures enabling the spread of pine beetles has increased the flammability of this forest region — http://www.nature.com/nclimate/journal/v1/n9/full/nclimate1293.html http://www.vancouversun.com/fires+through+tinder+pine+beetle+killed+forests/10047293/story.html Can climate models give different TCR and ECS with different timing / extent of when or how much boreal forest burns, and how the soot generated alters the date of an ice free Arctic Ocean or the rate of Greenland ice melt and its influence on long term dynamics of the AMOC transport of heat?

The discovery could lead to cleaner fuels, enhanced atmospheric models, and a solution to the enduring mystery of how soot forms.

Not exact matches

It remains too soon to tell exactly how this climate system will work under changed conditions and other environmental factors — such as whether the cooling effect of the soot generated by industry and burning forests outweighs the warming effect of greenhouse gases — which may play large roles.

The model also considered how reducing soot could impact other atmospheric emissions, including sulfur dioxide, nitrous oxide and organic carbon.

To find out how effective they were, Clevenger and his team placed pits of dirt and soot at the ends of the byways to mark animal tracks.

Just how much this soot heats up the atmosphere is still poorly understood.

By simulating how a highly volatile, low - soot fuel behaves in many engine designs, «We hope to retain the performance of diesel fuel with lower particulate matter and nitrogen oxide emissions,» said Roberto Torelli, an Argonne postdoctoral researcher on Som's team.

The problem is that nanotubes exist in a form akin to a pile of soot, and no one knows how to fashion them into an extended rope, braid, cable or ribbon.

In the team's new analysis, Smith and Mizrahi use what they contend are more reasonable projections for emissions reductions, a more conservative timeline for the development and deployment of methane - capture technology, and more realistic estimates for how quickly Earth's climate will respond to reductions in methane and soot.

«It is therefore reasonable to expect that precipitation extremes will continue to intensify,» although how much is still a mystery, largely thanks to an unclear understanding of the atmospheric impact of how tiny flecks of pollution in the atmosphere — known as aerosols to scientists and comprising materials ranging from soot to sulfur dioxide.

Unfortunately, the soot problem extends beyond snow, he says, noting that similar studies are needed to assess how the smut affects the melting of sea ice.

In the quest to head off rising global temperatures, some scientists have argued for steep curbs in how much soot and methane are released into the air.

The team evaluated simulated cloud fields from the multi-scale aerosol - climate model and examined how specific human - caused aerosols, such as sulfate, black carbon (soot), and organic carbon affect those clouds and, in turn, the climate.

I was surprised how important the effect of soot was, although it wasn't completely unexpected.

Wang is a climate modeler focused on atmospheric particles such as soot, and how they travel around the globe and end up in the Arctic.

«Not only where the soot came from, but also how the air moves it, and how much got removed on its path.»

After running the model, the team compared the model's results to actual soot data taken from seven sites in the Tibetan Plateau / Himalayan region and to satellite data of snow cover to see how well it represented soot and snowfall.

The researchers identified where the soot went and also determined how much warming it caused there.

The black ones, in turn, recall how Lee Bontecou and Ed Ruscha have drawn in actual soot and gunpowder.

When there are alternative explanations for arctic ice melt (historical writings that suggest natural periods of very rapid decline, ever - increasing levels of soot that can cause and accelerate melting), how can you be so certain that the cause is CO2 - induced?

But a story I've just written describes how scientists probing lakes, ice and old trees from Alaska to Siberia have found out just how big a poke humans appear to be giving that system through emissions of heat - trapping greenhouse gases (and probably heat - trapping soot, too).

Anyway, I'm wondering how the aerosol - cooling effect balances up against the soot - and - CO2 - warming effect in eastern Asia these days.

«Unfortunately, the soot problem extends beyond snow, he says, noting that similar studies are needed to assess how the smut affects the melting of sea ice.

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.

New research reveals insights into how black carbon aerosols impact cloud formation RENO — It is widely known that black carbon, or soot, aerosol particles emitted... Read more

As Earth Week 2013 draws to a close, I want to draw your attention to a unique effort to learn more about why Greenland is melting so fast — a crowd - funded research project that anyone can contribute to, which aims to answer the «burning question»: How much does wildfire and industrial soot darken the ice, increasing melt?

The Bbc recently did a documentary on the arctic and it was very striking how much soot was around from the top of glaciers to the bottom of the fissures hundreds of feet below.

This also depends on how our aerosol and soot emissions change in the future.

I was surprised how important the effect of soot was, although it wasn't completely unexpected.

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.

So I think there needs to be a more complete explanation — such as how much soot there is «now» as compared with «then».

Scott Covert (10:38:42): «I can see how swirling winds and sea currents might isolate Antarctica from warm water and air, aresols, soot etc... but how does it stop AGW caused by CO2?

«the effect of soot, while it may contribute in some way, can not explain the dramatic rate of warming and melt seen in the Arctic seen over the past 30 years» — apparently Dr. Meier is unaware of a country called «China», which has quite the reputation of not being exactly, how do I say it, «environmentally conscious».

A steel greenhouse also illustrates how low level particulate pollution (especially black soot) has a greenhouse effect.

I was disappointed that they did not go into specifics of monitoring procedures and how they got their numbers, but the message was clear: deforestation is a major source of greenhouse gas emissions (mostly carbon dioxide, but also methane and black soot) and that it needs to be addressed in the Kyoto Protocol.

These researchers reviewed the scientific understanding of how black carbon aerosols (aka soot) warm the earth's climate.

I recall one post on how Earth came out of a snowball, which explanation may be a possibility but then again there may be other explanations (eg., oceanic volcanos splitting in the ice and thereby releasing some water vapour, soot deposits changing albedo, even meteor collision — who knows given the lack of evidence).

How smog, soot, greenhouse gases, and other top air pollutants are affecting the planet — and your health.

One of the hard parts about fighting CO2 emissions, vs. all the other emissions we have tackled in the past (NOx, SOx, soot / particulates, unburned hydrocarbons, etc), is that we simply don't know how to combust fossil fuels without creating CO2 — CO2 is inherent to the base chemical reaction of the combustion.

As Carnegie's grantees, Caldeira and Persad aim to help countries optimize how they meet their commitments under the Paris Agreement by focusing on the short - lived air pollutants, like soot, which are co-emitted by many of the same processes that emit the longer - lived carbon dioxide that is the main focus of most countries» Paris commitments.

Did anyone ever look for example downwind of Tokyo or Dresden to see how far the soot was distributed and how well it could be documented?

Other factors being investigated are the impact of lakes on Greenland's glacial surfaces, the effect of dust and soot on the ice sheet (which have been shown to have a major impact in accelerating melting in Himalayan glaciers), and how surface meltwater affects ice flow into the ocean (previous research has shown that is speeds it and is increased by short term weather extremes).

Using the WRF - chem model, the team first examined how much soot in the form of so - called black carbon would land on snow in the Sierra Nevada, Cascade and Rocky Mountains.

Just how much the soot from this smoke is impacting Greenland's melting can't be gleaned from the satellite data, though.

(the boyfriend who works for a company who installs custom gas fireplaces would shake his head at me because clicking a button for a fire with no soot flying around makes him happy, but oh how i adore a real fire.)