Sentences with phrase «as black carbon»

Some aerosols, such as black carbon, absorb sunlight and produce a warming effect that might also inhibit rainfall.
They also release carbon dioxide stored within, as well as black carbon that melts snow and ice.
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.
Now there's some new research showing how man - made pollution, such as black carbon soot, is contributing to this poleward shift.
«There are also other important measures to reduce methane emissions from coal mining, municipal waste treatment and gas distribution, for example, as well as black carbon emission reductions through elimination of high - emitting vehicles, use of cleaner biomass cooking and heating stoves, replacement of kerosene wick lamps with LED lamps and other measures,» adds Zbigniew Klimont of the International Institute for Applied Systems Analysis, Austria, who also took part in the study.
Soot particles, also known as black carbon aerosols, affect climate by absorbing sunlight, which warms the surrounding air and limits the amount of solar radiation that reaches the ground.
The fossils of the Burgess Shale are preserved as black carbon films on black shales.
UNEP is supporting countries and their partners to fast track action on this challenge through the PCFV and other programmes such as the Climate and Clean Air Coalition — which works to reduce short - lived climate pollutants such as black carbon in a number of key sectors, including transport, agriculture, waste, household cooking and heating, and brick production.
Furthermore, it is suggested that aerosols with high absorptivity such as black carbon absorb solar radiation in the lower atmosphere, cool the surface, stabilise the atmosphere and reduce precipitation (Ramanathan et al., 2001).
To get a clear sense of soot — which is known to scientists as black carbon — an international team of 31 atmospheric scientists has worked for the past four years to analyze all the data they could.
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.
Soot, also known as black carbon, is made of fine, carbon - based particles that are given off by car and truck tailpipes and wood stoves.
Scientists are also trying to figure out the role that aerosol particles — including a component of soot known as black carbon — play in influencing the behavior of Himalayan glaciers.
Whereas the greenhouse gases already in the atmosphere will contribute to warming the planet for many decades to come, Ramanathan says, the good news about warming agents such as black carbon is that they don't linger in the atmosphere for more than a few weeks.
Soot, also known as black carbon, is made of particles less than a micron wide resulting from incomplete, inefficient combustion.
Preliminary analyses show that most of the pollution was sulphate aerosols — along with dust and carbonaceous particles such as black carbon.
One high - profile target, he says, should be reducing emissions of tiny soot particles, known as black carbon, that don't last long in the atmosphere but have an outsize impact on warming.
These so - called «short - lived» climate warming pollutants, formally known as black carbon and tropospheric ozone remain in the atmosphere only days to a few months, compared to a 100 years or more for CO2.
Soot, microscopic airborne particles that are also known as black carbon, is the second - leading cause of global warming after carbon dioxide, and it's entirely preventable.
Air pollutants such as black carbon, nitrates and sulphates penetrate into the body's cardiovascular and respiratory systems posing risks to human health.
[ISPM 6.3 c] This is true of most, but certainly not all, of the cited attribution studies, as even the ISPM admits that some studies do take into account forcings such as black carbon and land use.
Reductions in some short - lived human - induced emissions that contribute to warming, such as black carbon (soot) and methane, could reduce some of the projected warming over the next couple of decades, because, unlike carbon dioxide, these gases and particles have relatively short atmospheric lifetimes.The amount of warming projected beyond the next few decades is directly linked to the cumulative global emissions of heat - trapping gases and particles.
Previous studies suggested impurities such as black carbon and dust drive melting of bare ice on the lower part of the ice sheet.
Action on these pollutants is particularly important to Canada's North, a region that is warming faster than the rest of the planet, in part as a result of SLCPs such as black carbon.
Flaring only partially combusts the natural gas, and it releases many other hazardous pollutants such as black carbon, a major component of soot, which poses many adverse health risks and also contributes significantly to climate disruption.
Soot, also known as black carbon, is the second - leading cause of global warming after carbon dioxide, and it's totally preventable.
As black carbon is a leading cause of mortality from air pollution and accelerates the melting of glaciers that provide fresh water for millions, controlling these emissions is critical to promote sustainable development, improve human health and save lives.
Fast action to reduce short - lived climate pollutants, such as black carbon, methane, hydrofluorocarbons and tropospheric ozone, is key to improving air quality and slowing the rate of climate change.
Anthropogenic emissions include many types of GHG's as well as particulates such as black carbon and sulfate aerosols, each of which has a different effect on the atmosphere, and a different atmospheric lifetime.
For more information on the other climate forcers, such as black carbon, please visit the Climate Change Indicators: Climate Forcing page.
For instance, a colleague from the University of Illinois — Tami Bond — has some of the best information on some types of aerosols, such as black carbon.
Light - absorbing impurities such as black carbon, organic carbon, and dust are deposited on the GrIS from the atmosphere.
Theoretically, coatings of essentially non-absorbing components such as organic carbon or sulphate on strongly absorbing core components such as black carbon can increase the absorption of the composite aerosol (e.g., Fuller et al., 1999; Jacobson, 2001a; Stier et al., 2006a), with results backed up by laboratory studies (e.g., Schnaiter et al., 2003).
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