Sentences with phrase «for ozone chemistry»

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.

Not exact matches

Lu developed «SMOG», short for Surface Meteorology and Ozone Generation, as part of a group led by Richard Turco, head of the atmospheric chemistry group at UCLA.

«I'm shocked,» says Paul Crutzen of the Max Planck Institute for Chemistry in Mainz, Germany, who shared the Nobel Prize in chemistry for discovering the ozone threat.

In the field of planetary and atmospheric sensing, linear arrays capable of simultaneously measuring height - resolved spectral features would have a major impact on issues such as climate change and ozone chemistry,» explains Peter de Maagt, ESA's project manager for Star Tiger.

Two of the outdoor experiments on the HTV's first flight are a NASA ionospheric and thermospheric mapping device, and a JAXA system for monitoring the ozone layer's chemistry.

... This brings up the nightmarish thought that if the chemical industry had developed organobromine compounds instead of the CFCs — or alternatively, if chlorine chemistry would have run more like that of bromine — then without any preparedness, we would have been faced with a catastrophic ozone hole everywhere and at all seasons during the 1970s, probably before the atmospheric chemists had developed the necessary knowledge to identify the problem and the appropriate techniques for the necessary critical measurements.

While participating in a November conference connected with the International Year of Chemistry, I spent time talking with Molina of the University of California, San Diego, a 1995 laureate in chemistry for his work (with others) on the atmospheric impact of ozone - destroying refrigerants and related chemicals.

Austin J. and N. Butchart, 2003: Coupled chemistry - climate model simulation for the period 1980 to 2020: ozone depletion and the start of ozone recovery, Q. J. R. Meteorol.

Takigawa, M., M. Takahashi, and H. Akiyoshi, 1999: Simulation of ozone and other chemical species using a Center for Climate Systems Research / National Institute for Environmental Studies atmospheric GCM with coupled stratospheric chemistry, J. Geophys.

Pollutant gas and aerosol emissions levels in the reference scenario were checked for consistency by estimating regional surface particulate and ozone levels using the MOZART atmospheric chemistry model.

Fourth, volcanic aerosols provide surfaces for heterogeneous chemistry affecting global stratospheric ozone distributions (Chipperfield et al., 2003) and perturbing other trace gases for a considerable period following an eruption.

The Dutch climatologist, awarded a 1995 Nobel in chemistry for his work uncovering the threat to Earth's atmospheric ozone layer, suggested that balloons bearing heavy guns be used to carry sulfates high aloft and fire them into the stratosphere.

A number of leading scientists, for instance, Paul Crutzen, who had won a Nobel Prize for his work on atmospheric ozone chemistry, told Jim that he had put together just the sort of comprehensive and convincing presentation that was needed.

Users of chemistry - climate models (CCMs) with particular focus on long - term numerical simulations using CCMs for the detailed investigation of model feedbacks between ozone chemistry, ozone depleting substance (ODS) trends, and climate.

The only one that is simple and cheap enough to be seriously discussed at the moment was put forward by Paul Crutzen, awardee of the Nobel Prize for advancing our understanding of the stratospheric chemistry to the ozone layer.

In 1995, shortly before F. Sherwood Rowland (1927 - March 10, 2012) was awarded the Nobel Prize in Chemistry for collaborative work two decades earlier on the fundamental chemistry of stratospheric ozone depletion, a House Science subcommittee held a hearing, chaired by Rep.... Continue reading →

For the runs with different emission and «climate» years, e.g. Em2000Cl1850, emissions of aerosol and ozone precursors are set to 2000, methane amounts for chemistry are set to 2000, but ozone and methane at 2000 do not affect the radiation (i.e. radiation sees 1850 «climate» conditions for everything but aerosolFor the runs with different emission and «climate» years, e.g. Em2000Cl1850, emissions of aerosol and ozone precursors are set to 2000, methane amounts for chemistry are set to 2000, but ozone and methane at 2000 do not affect the radiation (i.e. radiation sees 1850 «climate» conditions for everything but aerosolfor chemistry are set to 2000, but ozone and methane at 2000 do not affect the radiation (i.e. radiation sees 1850 «climate» conditions for everything but aerosolfor everything but aerosols).

Active atmospheric chemistry has been reported for polar coastal areas: the so - called Atmospheric Mercury Depletion Events (AMDEs), occurring simultaneously with the postsolar sunrise destruction of ozone, can lead to complete depletions of atmospheric GEM during springtime (32).

``... the nightmarish thought that if the chemical industry had developed organobromine compounds instead of the CFCs — or alternatively, if chlorine chemistry would have run more like that of bromine — then without any preparedness, we would have been faced with a catastrophic ozone hole everywhere and at all seasons during the 1970s, probably before the atmospheric chemists had developed the necessary knowledge to identify the problem and the appropriate techniques for the necessary critical measurements.

Although the identity of the ozone is not disclosed, ozone and hydrogen peroxide typically earn recognition as environmentally friendly chemistry, because both ozone and peroxide decay quickly to harmless compounds, leaving no chlorine nor complex molecules that retain their biocidal toxicity for long periods in the environment because they can not be broken down quickly.

In terms of atmospheric chemistry, a strong consensus was reached for the first time that science could predict the changes in tropospheric ozone in response to scenarios for CH4 and the indirect greenhouse gases (CO, NOx, VOC) and that a quantitative GWP for CO could be reported.

Further, within my field, atmospheric chemistry, we are very much focused on the other forcings; aerosol and tropospheric ozone, for instance.

Stratospheric ozone science: To elucidate the geographical extent of, and mechanisms responsible for, ozone depletion in the «ozone hole» region and to study dilution effects and possible heterogeneous chemistry even outside of the polar regions due to sulphate aerosols.

The chemistry - climate models used for the 2006 Ozone Assessment, predict that the Antarctic ozone hole will achieve full recovery in the second half of this century, and that this may have profound impacts on the surface winds and, likely, on other aspects of the Earth's climate, including surface temperatures, locations of storm tracks, extent of dry zones, amount of sea ice, and ocean circulaOzone Assessment, predict that the Antarctic ozone hole will achieve full recovery in the second half of this century, and that this may have profound impacts on the surface winds and, likely, on other aspects of the Earth's climate, including surface temperatures, locations of storm tracks, extent of dry zones, amount of sea ice, and ocean circulaozone hole will achieve full recovery in the second half of this century, and that this may have profound impacts on the surface winds and, likely, on other aspects of the Earth's climate, including surface temperatures, locations of storm tracks, extent of dry zones, amount of sea ice, and ocean circulation.

This is important for the light that it shines on tropospheric ozone chemistry («bad ozone») which is a contributing factor to global warming (albeit one which is about only about 20 % as important as CO2).

The story revolves around a paper that Paul Crutzen (Nobel Prize winner for chemistry related to the CFC / ozone depletion link) has written about deliberately adding sulphate aerosols in the stratosphere to increase the albedo and cool the planet — analogous to the natural effects of volcanoes.