Sentences with phrase «aerosol impacts on»

Aerosol impacts on the magnitude of the temperature response, on clouds and on precipitation remain uncertain.
The forcing aspect of the indirect effect at the top of the atmosphere is discussed in Chapter 2, while the processes that involve feedbacks or interactions, like the «cloud lifetime effect» [6], the «semi-direct effect» and aerosol impacts on the large - scale circulation, convection, the biosphere through nutrient supply and the carbon cycle, are discussed here.
«Aerosol impacts on drizzle properties in warm clouds from ARM Mobile Facility maritime and continental deployments.»
Kimberly Prather and colleagues from the Center for Aerosol Impacts on Climate and the Environment (CAICE) carried out the study, in an effort to understand the earlier inconsistent findings.
Koch, D., S. Menon, A. Del Genio, R. Ruedy, I. Aleinov, and G.A. Schmidt, 2009: Distinguishing aerosol impacts on climate over the past century.
Microphysical effects determine macrophysical response for aerosol impacts on deep convective clouds, Proc Natl Acad Sci U S A, Early Edition online the week of November 11 - 15, 2013, DOI: 10.1073 / pnas.1316830110.
Moving the chemical complexity of the ocean to the laboratory represented a major advance that will enable many new studies to be performed,» said Kimberly Prather, Distinguished Chair in Atmospheric Chemistry at the University of California, San Diego and director of the Center for Aerosol Impacts on Climate and the Environment, who led the team of more than 30 scientists involved in this project.
The National Science Foundation's Center for Chemical Innovation supports the Center for Aerosol Impacts on Climate and the Environment (CHE 1038028).

Not exact matches

Short - term exposure studies of e-cigarette use show a negative impact on lung function and bystanders absorb nicotine from passive exposure to e-cigarette aerosol, the authors report.
«Tiny particles have outsize impact on storm clouds, precipitation: Amazon rainforest provides a unique natural lab to study effects of aerosols
«We've shown that under clean and humid conditions, like those that exist over the ocean and some land in the tropics, tiny aerosols have a big impact on weather and climate and can intensify storms a great deal,» said Fan, an expert on the effects of pollution on storms and weather.
Unfortunately, current simulation models, which combine global climate models with aerosol transport models, consistently underestimate the amount of these aerosols in the Arctic compared to actual measurements during the spring and winter seasons, making it difficult to accurately assess the impact of these substances on the climate.
Computer models suggest that deploying aerosols can have «an appreciable impact on tropical cyclone intensity,» writes William Cotton, an atmospheric scientist at Colorado State University.
«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.»
They conducted nine separate analyses, which spanned 2003 to 2014 and covered all of China, to compare the impact of aerosols compared to clouds on solar power generation with and without technology that tracks the sun as it moves across the sky.
ARO scientists monitor a range of atmospheric phenomena, from the influence of gases and aerosols on Earth's climate to the impact of pollutants in the atmosphere.
In the tug of war, aerosols don't necessarily counter the impacts of climate change on sea ice (or the planet as a whole for that matter).
«Aerosols have quite a substantial impact on Arctic climate.»
Whether these reactions produce condensing vapours that can condense onto the smallest particles or even molecules can have strong impacts on aerosol formation.
In a separate study published Wednesday, researchers at the RIKEN Advanced Institute for Computational Science in Japan, said aerosols in the Arctic have a «profound» impact on the global climate system.
«Huge amounts of aerosols from Asia go as high as six miles up in the atmosphere and these have an unmistakable impact on cloud formations and weather.»
This mission is fulfilled by operating atmospheric observatories around the world that collect massive amounts of atmospheric measurements to provide data products that help scientists study the effects and interactions of clouds and aerosols and their impact on the earth's energy balance.
The ARM Facility has provided the world's atmospheric scientists with continuous observations of cloud and aerosol properties and their impacts on the Earth's energy balance for more than 20 years.
Zhang adds that «we need to do some future research on exactly how these aerosols are transported globally and impact climate.
Hienola, A., Partanen, A. - I., Pietikäinen, J. - P., O'Donnel, D., Korhonen, H., Matthews, D., and Laaksonen, A.: The impact of aerosol emissions on the 1.5 °C pathways, Environ.
Most complete dataset ever collected helps scientists understand aerosols» impacts on clouds
Much of this uncertainty is due to the complexity of aerosols and their interactions with and impacts on cloud processes and properties, as well as the wide range of scales on which these interactions occur.
Because small - scale climate features, such as clouds and atmospheric aerosol particles, have a large impact on global climate, it's important to improve the methods used to represent those climate features in the models.
He is particularly interested in the role of aerosols and clouds in the atmosphere, and has worked on the processes that describe these components of the atmosphere, the computational details that are needed to describe them in computer models, and on their impact on climate.
Delworth, T.L., V. Ramaswamy, and G.L. Stenchikov, 2005: The impact of aerosols on simulated ocean temperature and heat content in the 20th century.
The ARM data will provide more detailed measurements of both aerosols and clouds to assist the research team in quantifying the impacts of aerosols on precipitation under a variety of atmospheric and pollution conditions.
These changes made China a unique region to investigate the impact of aerosols on regional climate and the hydrological cycle.
Analyzing such systems, whether they are on the surface of a catalyst, a microbial community, or atmospheric aerosols, and understanding their impact requires tools that can accurately identify and quantify hundreds of molecules,» said Dr. Julia Laskin, a PNNL chemist, who has been advancing the frontiers of the Nanospray Desorption Electrospray Ionization Mass Spectrometry, nicknamed nano - DESI, for the last 3 years.
From its base in Namibia, the Observations of Clouds above Aerosols and their Interactions (ORACLES) study will use airborne instruments this fall to probe the impact on climate and rainfall of the interaction between clouds over the southeastern Atlantic Ocean and smoke from vegetation burning in southern Africa.
He is leading projects investigating the impacts of snow and ice impurities on climate and water resources, and the aerosol sub-grid progress and parameterizations in climate models.
This prompted him to both produce and direct a two hour documentary film on the global impact of aerosol culture called Get The Message.
From the Physical Science Basis: «Shindell et al. (2009) estimated the impact of reactive species emissions on both gaseous and aerosol forcing species and found that ozone precursors, including methane, had an additional substantial climate effect because they increased or decreased the rate of oxidation of SO2 to sulphate aerosol.
Solar activity impacts on climate are a fascinating topic, and encompass direct radiative processes, indirect effects via atmospheric chemistry and (potentially) aerosol formation effects.
The results presented are of the impact of ionization on the formation rate of aerosols with size ~ 4 nanometers (nm), as shown in the figure below:
Similarly, we have not been able to tell how much of the aerosol is capable of interacting with liquid or ice clouds (which depends on the different aerosols» affinity for water), and that impacts our assessment of the aerosol indirect effect.
And, the massive plumes of China / India aerosols may be having some impact on ocean surface temperatures east of the Date Line.
To make such statements wouldn't we have to know the 3 - D dust field in the LGM and the impact of those aerosols on clouds (and planetary albedo)?
It is conceivable that aerosol effects (which includes «smoke») could also affect the lapse rate, but the aerosols tend to warm where they are located and depending on the composition, cool below — this gives an impact that — if it was a large factor in the tropical mean — would produce changes even larger than predicted from the moist adiabatic theory.
Similarly, the more protracted the state of reduced volcanic activity — > the larger and longer the reduction in aerosol concentrations — > the larger and more persistent the impact on temperatures.
'' Nunn - McCurdy certified NPOESS — Priority placed on continuity of operational weather measurements — Pre Nunn - McCurdy: 3 orbits and 6 spacecraft — Post Nunn - McCurdy: 2 orbits and 4 spacecraft • Impacts to Climate Sensors — Five climate oriented sensors de-manifested • APS (aerosols), TSIS (solar irrad.)
This section only assesses the aspects that are unique to the aviation sector, namely the formation of persistent condensation trails (contrails), their impact on cirrus cloudiness, and the effects of aviation aerosols.
«Impact of interannual variations in sources of insoluble aerosol species on orographic precipitation over California's central Sierra Nevada.»
And second, direct further use of stratospheric aerosol injection (SAI)-- but in the opposite hemisphere, so as to partially stabilise impacts on precipitation (while possibly further forcing down global temperature).
Now, since the cloud / aerosols issue has reared its ugly head, internal ocean dynamics also can have a profound impact on climate.
The long - term impacts of aerosols on the vertical development of clouds and precipitation.
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