Sentences with phrase «focuses on aerosol»

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.

Not exact matches

The research focuses on the power of minute airborne particles known as aerosols, which can come from urban and industrial air pollution, wildfires and other sources.
And by carefully measuring and modeling the resulting changes in atmospheric composition, scientists could improve their estimate of how sensitive Earth's climate is to CO2, said lead author Joyce Penner, a professor of atmospheric science at the University of Michigan whose work focuses on improving global climate models and their ability to model the interplay between clouds and aerosol particles.
Several symposia have a local focus, including sessions on ecology and education in San Diego's Mission Bay Park and the causes and effects of aerosol particles in San Diego's atmosphere.
Previous research focused on ways to limit the ozone - damaging reactions produced by nonreactive aerosols.
Activities will focus on the investigation of the interactions of aerosols and clouds.
However, to make climate models more accurate, we are focused on developing a better understanding of the dynamics of organic aerosols formed from plant - based organic vapors and their interaction with aerosols emitted from human activities,» said Dr. Chen Song, a PNNL atmospheric scientist.
These models focus on small numbers of aerosol properties or processes.
These programs focus on climate, aerosol and cloud physics; global and regional scale modeling; integrated assessment of global change; and complex regional meteorology and chemistry.
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.
Proposed campaigns should focus on research that addresses the ARM mission of improving the understanding and representation of clouds and aerosols in climate and earth system models, as well as their interactions and coupling with Earth's surface.
His current research is mainly focused on the application of efficient computational methods to understand the structure and dynamics of hydrogen - bonded systems ranging from water clusters to atmospheric aerosols.
Those with a focus on quantifying the aerosol absorption are also encouraged.
In addressing the question of the effects of greenhouse gases on Atlantic tropical storms, it might clarify (and even partially defuse) the controversy to lump internal variability together with other forced responses (particularly aerosols), rather than to focus on internal variability vs the total forced response.
Regarding the CERN / CLOUD results suggesting an aerosol nucleation link with cosmic - rays, I was wondering why the focus is always on clouds?
It's pretty ironic, because you repeatedly accuse the mainstream science of creating an «ad hoc explanation» by invoking aerosols, yet it is you who insists on a focus on one variable at a time.
For orographic cumulus clouds, the G - 1 measurements will characterize in - cloud dynamics, microphysics, and aerosols, as well as the environmental variability around the clouds focusing on conditions upstream and downstream of clouds at multiple altitudes in the vicinity of the AMF1 site.
The meeting included focus sessions on computational methods for modeling and handling large amounts of data, characterizing uncertainty, research on dust and aerosols, soils, urban systems and individual topics that are too numerous to list, from science communication and stellar astrophysics to biogeochemistry.
The study focuses on one proposed type of SRM, known as a «stratospheric aerosol injection», which involves sending up substances to the stratosphere that are known to have a cooling effect on the climate.
When Gort first visited in 1951, it spent little effort on climate change issues, focusing on other aspects of our planet instead: Gort returned in 2012 to answer puny human climatologist questions about whether climate change caused particular weather phenomena by making an obvious point: rather than struggle with theoretical analysis, you can simply use your Climate Changeometer to remove all the excess greenhouse gases and aerosols above natural levels and then measure the outcome.
Research is focused on issues internal to AGW, like the carbon cycle, bigger models, and aerosols, instead of natural variability and uncertainty.
For rigor of technical analysis, the study focused the research agenda on one particular SWCE concept — stratospheric aerosol injection — and in doing so developed several conceptual frameworks and methods valuable for assessing any SWCE proposal.
Also you focused on re-radiating meaning emitting long - wave spectrum - which possible, but I was thinking more about emitting the same wavelength, as mentioned in this quote: «However, aerosols (which often contain water and if so can absorb red wavelengths) are usually larger than visible wavelengths and therefore absorb and reflect all wavelengths of light equally (this is not technically scattering, although it is often called that; it technically involves absorption and re-radiation, or reflection).»
The 2007 report focussed on greenhouse gasses, he said, whereas the 2013 report included all «anthropogenic forcings», including «the cooling effect from human aerosol emissions».
Her research in Mexico focused more on aerosol urban pollution, providing a new direction by bringing a physical context to the pollution research.
However, this study focused on the warming effects of black carbon, and did not compare them to the cooling effects of atmospheric aerosols.
Secretary of Commerce Don Evans also announced a $ 103 million two - year federal initiative to accelerate the deployment of new global observation technologies, focused on oceans and atmospheric aerosols and carbon.
In August 2010, Nature published a commentary by Penner et al. which mainly focused on the uncertainty regarding the effect short - lived pollutants (such as aerosols and black carbon) have on the climate.
The current focus of the program is aerosol radiative forcing of climate: aerosol formation and evolution and aerosol properties that affect direct and indirect influences on climate and climate change.»
, climate scientist Mike Hulme focuses on a proposal to cool Earth by injecting aerosols into the stratosphere to reflect solar radiation.
The Aerosol and Cloud Experiments in the Eastern North Atlantic (ACE - ENA) is focused on low clouds and processes that affect cloud properties and their life cycle.
Although we focus on a hypothesized CR - cloud connection, we note that it is difficult to separate changes in the CR flux from accompanying variations in solar irradiance and the solar wind, for which numerous causal links to climate have also been proposed, including: the influence of UV spectral irradiance on stratospheric heating and dynamic stratosphere - troposphere links (Haigh 1996); UV irradiance and radiative damage to phytoplankton influencing the release of volatile precursor compounds which form sulphate aerosols over ocean environments (Kniveton et al. 2003); an amplification of total solar irradiance (TSI) variations by the addition of energy in cloud - free regions enhancing tropospheric circulation features (Meehl et al. 2008; Roy & Haigh 2010); numerous solar - related influences (including solar wind inputs) to the properties of the global electric circuit (GEC) and associated microphysical cloud changes (Tinsley 2008).
The Titan project is being led from the University of Edinburgh and climateprediction.net's role will be to focus on the contribution of different climate drivers (greenhouse gases, aerosols) to extreme weather events of the early 20th century, including the «dust bowl» years in North America and the series of very cold European winters in the 1940s.
Emanuel focuses on anthropogenic factors (CO2, aerosols) as the drivers behind late - 20» th century global warming.
I would like to focus on what James said about sulphate aerosols acting as a cooling agent.
The focus of this physical climate model is on the role of aerosols, aerosol - cloud interactions, and atmospheric chemistry in climate variability and climate change.
We focus here on observed relationships between GCR and aerosol and cloud properties.
This chapter focuses on process understanding and considers observations, theory and models to assess how clouds and aerosols contribute and respond to climate change.
Chamber research is focused on understanding the lifecycle of organic aerosols, including their formation, growth, aging (oxidation), re-volatilization, and effect on cloud formation.
Further, within my field, atmospheric chemistry, we are very much focused on the other forcings; aerosol and tropospheric ozone, for instance.
Aerosol - climate interactions still focused on sulphates, and the assessment of their direct RF for the NH (i.e., a cooling) was now somewhat quantitative as compared to the FAR.
Shindell's paper further focuses on improving our understanding of how airborne particles, called aerosols, drive climate change in the Northern Hemisphere.
Here, in part I, I'll review some of the basic processes that are important in determining the climate effects of aerosols, focusing in particular on their formation.
Many in the anti-geoengineering movement have focused almost exclusively on the horizon - to - horizon trails, but such obvious spraying is only a small fraction of the aerosol operations in our skies.
This paper will focus on SRM via stratospheric aerosol injection, and will describe potential direct human health impacts.
In particular, we evaluate non-sea-salt sulfate (nss - SO4 =), ammonium (NH4 +), nitrate (NO3 --RRB-, black carbon (BC), sea - salt, dust, primary and secondary organics (POA and SOA) with a focus on the importance of secondary organic aerosols.
My research is focused on the climate effects of atmospheric aerosol particles and on broader interconnections within the climate system.
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