Sentences with phrase «aerosol formation»
"Aerosol formation" refers to the creation of tiny particles or droplets suspended in the air. Full definition
The role of ion - induced aerosol formation in the lower atmosphere.
nature.com
New information from dedicated recent and future field campaigns is expected to shed light on organic aerosol formation processes and how they are altered in the presence of anthropogenic pollution.
«galactic cosmic rays appear to play a minor role for atmospheric aerosol formation events, and so for the connected aerosol - climate effects as well.»
Secondary aerosol formation from atmospheric reactions of aliphatic amines.
Effect of pellet boiler exhaust on secondary organic aerosol formation from α - pinene.
«Climate models will have to be revised, confirms CERN in supporting literature...» [I] t is clear that the treatment of aerosol formation in climate models will need to be substantially revised, since all models assume that nucleation is caused by these vapours [sulphuric acid and ammonia] and water alone.»
Effects of anthropogenic emissions on aerosol formation from isoprene and monoterpenes in the southeastern United States
A reduction of the solar wind during a prolonged solar minimum event would cause more galactic cosmic rays to enter the earth's atmosphere which would promote more aerosol formation thus more cloud nucleation.
The CLOUD team has also presented first global model calculations for aerosol formation caused without the involvement of sulphuric acid and solely through extremely low volatile substances of biological origin (Gordon et al., PNAS).
«Nighttime chemical evolution of aerosol and trace gases in a power plant plume: Implications for secondary organic nitrate and organosulfate aerosol formation, NO3 radical chemistry, and N2O5 heterogeneous hydrolysis.»
Study reveals discrepancy in approach commonly used to model organic aerosol formation at global scales
«Effect of Hydrophilic Organic Seed Aerosols on Secondary Organic Aerosol Formation from Ozonolysis of α - Pinene.»
At EMSL, the GA helps users advance molecular science in areas such as aerosol formation, bioremediation, catalysis, climate change, hydrogen storage, and subsurface science.
As an aerosol scientist, I found the results showing the detailed measurements of the influences of ammonia, organics and ions from galactic cosmic rays on aerosol formation exciting.
A semi-analytical method for calculating rates of new sulfate aerosol formation from the gas phase.
Also, how is aerosol formation affected over cities by high level of ozone and peroxyacetyl nitrate (PAN)?
Nice post, but how does that compare to aerosol formation during the process of fossil fuel combustion (especially diesel and ship bunker fuel)?
The present 3 - D modeling study focuses on aerosol chemical composition change since preindustrial times considering the secondary organic aerosol formation together with all other main aerosol components including nitrate.
Timonen, H., Karjalainen, P., Saukko, E., Saarikoski, S., Aakko - Saksa, P., Simonen, P., Murtonen, T., Dal Maso, M., Kuuluvainen, H., Bloss, M., Ahlberg, E., Svenningsson, B., Pagels, J., Brune, W. H., Keskinen, J., Worsnop, D. R., Hillamo, R., and Rönkkö, T.: Influence of fuel ethanol content on primary emissions and secondary aerosol formation potential for a modern flex - fuel gasoline vehicle, Atmos.
Results of this measurement campaign indicate that alcohol fuels (E85, E100) significantly reduce both primary particulate emissions as well as subsequent secondary aerosol formation in the atmosphere when compared emissions of gasoline fuels.
Advanced measurements of aerosol formation and growth improve our understanding of the climate
«galactic cosmic rays appear to play a minor role for atmospheric aerosol formation events, and so for the connected aerosol - climate effects as well.»
Whether these reactions produce condensing vapours that can condense onto the smallest particles or even molecules can have strong impacts on aerosol formation.
However, it is important to understand the secondary aerosol formation and its influence to air quality, in order to take it into account when new emission limits for vehicles are set and thus improve air quality in tightly populated urban areas.»
Both nitrous and ammoniacal pollutants are continuously and rapidly accumulating in China's environment and contribute to aerosol formation.
They also found that streams of electrons and protons known as the solar wind, affecting Earth's global electric field, lead to changes in aerosol formation, which ultimately impact rainfall.
There they spread globally and can influence the composition of the air for many years — with far - reaching consequences for ozone chemistry, aerosol formation and climate.
Now that the researchers have the structure of alpha - pinene, they are better able to model the first steps of nature's aerosol formation in the atmosphere.
These observed highly oxygenated organics or ELVOC's can support particle growth of the smallest nanoparticles and thus can explain the contribution of organic compounds in aerosol formation.
This includes the role of oxidized volatile organic compounds, such as limonene and alpha - pinene, the typical scents of the citrus fruits and coniferous forests, in aerosol formation.
In the journal «Angewandte Chemie,» Jokinen and co-workers report that auto - oxidation, which can, for example spoil plastics or food, also plays an important role in the atmospheric aerosol formation.
Her current application interests are rare earth and heavy element chemistry, catalysis, aerosol formation, cellulose degradation, and photochemistry.
«We're not clear yet on what components of these emissions are the biggest contributors to ozone formation or aerosol formation,» says Coggon, «so that's what we'll be trying to figure out.»