Sentences with phrase «aerosols in the atmosphere»

Besides knowing a lot more about the transport of volcanic aerosols in the atmosphere, modern researchers had communications lines and satellites so that news of an eruption could be relayed quickly and the effects noted as they unfolded.
Water vapor condenses around aerosols in the atmosphere, creating droplets that make up clouds.
EPIC maintains a constant view of the fully illuminated Earth as it rotates, providing scientific observations of ozone, vegetation, cloud height and aerosols in the atmosphere.
Ironically, if the world burns significantly less coal, that would lessen CO2 emissions but also reduce aerosols in the atmosphere that block the sun (such as sulfate particulates), so we would have to limit CO2 to below roughly 405 ppm.
«There is a link between the chemistry that goes on in this type of air motion and the subsequent effects on the trace gases and aerosols in the atmosphere that ultimately impact climate.»
«The trends in Africa of hot summers getting hotter and rainy seasons drying out are linked with factors that include increasing greenhouse gases and aerosols in the atmosphere,» said Ming Cai, a program director in the National Science Foundation's Division of Atmospheric and Geospace Sciences, which funded the research.
In relatively clean environments, clouds can only grow as large as the amount of aerosols in the atmosphere allows: They will be the limiting factor in cloud formation.
Sloan and Wolfendale also discussed the results from an experiment at CERN in Switzerland called CLOUD, where researchers are looking at ways in which cosmic rays can ionize, or charge, aerosols in the atmosphere, influencing how clouds are formed.
The question is: Does the current load of aerosols in the atmosphere already exceed that limit, in which case adding extra particles should not greatly affect cloud formation; or do they continue to be a limiting factor as pollution rises, so that added aerosols would continue to influence the clouds?
Laboratory chamber walls have been stealing vapors, causing researchers to underestimate the formation of secondary organic aerosol in the atmosphere.
And while researchers are still striving to fully understand the health and environmental impact of increased levels of secondary organic aerosols in the atmosphere, studies have linked exposure to outdoor aerosols generally to morbidity and mortality outcomes.
And we now have a gloomier picture of the extent to which smogs and other human - made aerosols in the atmosphere shade us from the worst of global warming.
There is also research that suggests that aerosols in the atmosphere could be
The researchers at PNNL and UCI are continuing to answer questions about the properties of organic aerosols in the atmosphere.
Alexander Mangold from the Royal Meteorological Institute of Belgium explains the resarch he does at the Princess Elisabeth Antarctica station, which focuses on ozone and aerosols in the atmosphere.
Secondary organic aerosols are formed through complex physical and chemical interactions between pre-existing aerosols in the atmosphere and trace organic gases emitted from both human - caused and natural sources.
b) there are many natural aerosols in the atmosphere.
For example, they predicted the expansion of the Hadley cells, the poleward movement of storm tracks, the rising of the tropopause, the rising of the effective radiating altitude, the circulation of aerosols in the atmosphere, the modelling of the transmission of radiation through the atmosphere, the clear sky super greenhouse effect that results from increased water vapor in the tropics, the near constancy of relative humidity, and polar amplification, the cooling of the stratosphere while the troposphere warmed.
The war period and rapid economic growth that followed resulted in very high levels of heat blocking aerosols in the atmosphere.
Aerosols may retard the temperature rise for awhile, but given that CO2 persists on the order of 10x linter than aerosols in the atmosphere, CO2 eventually wins.
I have never seen albedo issues discussed except at geoengineering level with aerosols in the atmosphere, etc..
Researchers say that one of the main contributors to aerosols in the atmosphere are emissions from gas - powered motor vehicles, coal - burning power plants, and forest fires.
«We found that red - to - green ratios measured in the sunsets of paintings by great masters correlate well with the amount of volcanic aerosols in the atmosphere, regardless of the painters and of the school of painting,» Zerefos said.
The researchers examined the artists» use of red and green to capture sunsets on the horizon of each painting, looking for clues to the amount of aerosols in the atmosphere.
If by observational data, you mean the amount of aerosols in the atmosphere, I think that would be a key piece of information that would need to be included in the models as without it the response to volcanic events can not be modeled or predicted.
They are discussing putting aerosols in the atmosphere to shade the planet.
Following its installation in March 2017, SAGE will keep a pulse on ozone, water vapor, and aerosols in our atmosphere.
In climate change, the sun is the constant, and the amount of sulfur dioxide aerosols in the atmosphere is the control knob..
In times when the oceans are warming, there could be several factors that influence this, each with varying contributions based on natural and / or anthropogenic variability: 1) Greater solar output 2) Less aerosols in the atmosphere 3) Less cloudiness (especially of a certain type) 4) Increased greenhouse gases
However, over long time periods, the variation of the global average temperature with CO2 concentration depends on various factors such as the placement of the continents on Earth, the functionality of ocean currents, the past history of the climate, the orientation of the Earth's orbit relative to the Sun, the luminosity of the Sun, the presence of aerosols in the atmosphere, volcanic action, land clearing, biological evolution, etc..
Our analysis shows that, although important in cloud physics the results do not lead to the conclusion that cosmic rays affect atmospheric clouds significantly, at least if H2SO4 is the dominant source of aerosols in the atmosphere.
One idea for fighting global warming is to increase the amount of aerosols in the atmosphere, scattering incoming solar energy away from the Earth's surface.
For instance, researchers still don't completely understand the role of aerosols in the atmosphere, the variable effects of clouds at different heights, and the influence of feedback mechanisms such as the changing reflectivity of the Earth's surface and the release of gases from permafrost or deep seabeds.
It might be that I should have known this, but do you happen to know how the amount of aerosol in the atmosphere has actually been measured?
In the mid-20th century, coal - burning power plants and other sources released huge amounts of sulfur dioxide, which then formed toxic sulfate aerosols in the atmosphere.
Furthermore, while soot on the snow / ice surface will enhance melt, soot and other aerosols in the atmosphere have a cooling effect that would slow melt.
I'll let John Philips dig up the studies but just to add a little more explanation: It is not only that the sulfate aerosol pollution from First World countries started to decrease, it also has to do with the different residence time of CO2 and of sulfate aerosols in the atmosphere.
Scientists observed an increase in these sun - scattering aerosols in the atmosphere from 2000 to 2010.
The results suggested that moderate volcanic eruptions were behind the increases of aerosols in the atmosphere.
At least two «counterfactual» ensembles will be simulated in addition to that: one with the greenhouse gas response removed, representing the «world that might have been» without anthropogenic greenhousre gas forcing and the other one without some key climate relevant aerosols in the atmosphere.
The data and the statistical analysis does not provide the evidence that the so called «pause», a time period with a lower trend estimate than the longer - term trend estimate, was more than just a short - term fluctuation around the median warming trend, mostly due to short - term unforced internal variability in the Earth system (and some contribution from decreasing solar activity and increased reflecting aerosols in the atmosphere, counteracting the increased greenhose gas forcing to some degree), like the «acceleration» over the 16 - year period from 1992 to 2007 (e.g., UAH trend: 0.296 + / - 0.213 (2 sigma) deg.
They are considering putting aerosols in the atmosphere to keep some sun out so they can cool the planet.
I wrote a previous article about the importance of aerosols in the atmosphere.
The largest uncertainty in that comparison comes from the estimated effects of aerosols in the atmosphere, which can variously shade Earth or warm it.
One idea for fighting global warming is to increase the amount of aerosols in the atmosphere, scattering incoming solar energy away from Earth's surface.
«Geoengineering for global warming: Increasing aerosols in atmosphere would make sky whiter.»
The increased CO2 will behave exactly the same regardless of the levels of aerosols in the atmosphere, changing the energy balance and warming the planet.
Although satellites can used for example to obtain spatial distribution of temperature, clouds, water vapour, aerosols in the atmosphere it appears much more difficult to measure the physical characteristics of the oceans for example the distribution of the optical depth of the particles in the oceans.
The research from top scientists studying a decade of atmospheric data has shown how cloud and weather development are affected by aerosols in the atmosphere.

Not exact matches

By analyzing satellite data and other measures, Daniel and his colleagues found that such aerosols have been on the rise in Earth's atmosphere in the past decade, nearly doubling in concentration.
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