Sentences with phrase «study on the ozone»

«EPA acknowledges the newer studies on ozone «do not materially change any of the broad scientific conclusions regarding the health effects of exposure,»» the group said in a statement.

The lead author of the recent study on the ozone layer believes that the reversal of the hole's expansion is in large part a result of the Protocol.

And she happened to point out some very current and needed studies on ozone damage to plants.

Not exact matches

Not to worry though, because what chance is there that our scientific study results could even be related to foreign relations, other than, you know, research on global warming or acid rain or fish populations or avian - flu transmission or mad - cow - disease transmission, or ozone depletion or....

In the study, the researchers used a 3D computer model of the atmosphere to determine the impact of VSLS on ozone and climate.

Some researchers have pinned the blame on indoor air pollution and a study last year showed that when outdoor ozone levels rose, the number of people inside suffering from so - called «sick building syndrome» also increased.

In this study in Timothy grass, researchers led by environmental health scientist Christine Rogers of the UMass Amherst School of Public Health and Health Sciences (SPHHS) determined the interactive effects of CO2 and ozone at projected higher levels on pollen production and concentrations of a Timothy grass pollen protein that is a major human allergen.

Robert Watson, an atmospheric chemist at the University of East Anglia in the United Kindgdom, is being honored for his studies of the ozone hole and work toward an international agreement to ban the use of the chemicals causing ozone depletion; he later chaired the Intergovernmental Panel on Climate Change.

Work then will also focus on studying to what extent chlorine - activated and ozone - depleted air masses will make its way into the densely populated middle latitudes.

The committee's list of suggested projects includes studies of the effects on plankton and krill of the ultraviolet radiation that is streaming through the Antarctic ozone hole.

Experts say the study provides the strongest evidence yet that a degraded stratospheric ozone layer causes more hazardous conditions for life on the planet's surface.

The study finds that titanium dioxide coatings, seen as promising for their role in breaking down airborne pollutants on contact, are likely in real - world conditions to convert abundant ammonia to nitrogen oxide, the key precursor of harmful ozone pollution.

The study on pollution showed that ozone, which tends to form on hotter days, changes the risk profile of heat stress.

For example, Chemistry - Climate models allow the possible effects of climate change on the recovery of the ozone hole to be studied.

The key studies for MARCI center on daily monitoring of dust storms, polar cloud formation, and variations in ozone content of the atmosphere.

The study had also discovered that the largest ozone hole on record, which occurred in 2015, was due to the eruption of Chile's Calbuco volcano.

The gas has been linked to negative effects on pulmonary health, but a new study from Duke University shows ozone may have serious consequences for heart health as well.

The team also studied the effects of TiO on the exoplanet's climate, and found that it likely performs a similar function to Earth's ozone layer, albeit with the opposite effect on the temperature at altitude.

Federoff's team is studying Arabidopsis to find out which genes are turned on or off by different levels of ozone.

NASA, through its Aura mission to study the Earth's ozone layer and climate, is working with LittleBits to develop activities around a new $ 189 space kit, announced on Thursday.

Activities in the study consist of swimming in a ozone - sanitized indoor warm water pool, exercising on a treadmill, and strength, balance and flexibility training using FitPAWS Canine Conditioning Equipment.

Three different ozone databases provide regression fits to the ozone observations, and are available for use in model studies of the influence of ozone changes on stratospheric and tropospheric temperatures.

As if we didn't have enough to worry about with a depleting ozone and buildup of greenhouse gases, now a recent study shows that there is a new ozone - eating gas on the rise.

Another study from University of California Berkeley says a weakened ozone shield 251 million years ago drove the mass extinction of forests, and all life that depended on them.

This is due to the changes in the jets (more «loopy») and the last study I linked plus Qing - Bin Lu's paper on Cosmic Rays and ozone both show effects on the polar jets / pressure.

Drawing on case studies of past environmental debates such as those over acid rain and ozone depletion, science policy experts Roger Pielke Jr. and Daniel Sarewitz argue that once next generation technologies are available that make meaningful action on climate change lower - cost, then much of the argument politically over scientific uncertainty is likely to diminish.26 Similarly, research by Yale University's Dan Kahan and colleagues suggest that building political consensus on climate change will depend heavily on advocates for action calling attention to a diverse mix of options, with some actions such as tax incentives for nuclear energy, government support for clean energy research, or actions to protect cities and communities against climate risks, more likely to gain support from both Democrats and Republicans.

NOAA scientists have a long history of scientific leadership in studies of Antarctic ozone, and NOAA satellite data will be important as new instrumentation (such as OMPS on NPOESS) becomes a cornerstone of the ozone monitoring system.

This bottom - up modeling study, supported by emission inventories and crop production, simulates ozone on local to regional scales.

The study also confirmed that the improvement of the ozone was largely because of the ban on CFCs by most countries in the Montreal Protocol, meaning that the degradation, too, was largely caused by the initial human activity of releasing the CFCs.

Closing the ozone hole actually speeds up the melting of the polar ice caps, according to a 2009 study from Scientific Committee on Antarctic Research.

The above studies indicate effects on the stratospheric ozone layer in the wake of a volcanic eruption and under conditions of enhanced anthropogenic halogen loading.

In 2010, the Yale Project on Climate Change released a study claiming that «less than half of Americans (45 percent) understand that carbon dioxide traps heat near the Earth's surface, and a majority think that the hole in the ozone layer contributes to global warming.»

What studies have been done in the paleo record regarding CO2 effects on ozone in the stratosphere and how it affected life?

Giovanis, Eleftherios (2014): Evaluation of Ozone Smog Alerts on Actual Ozone Concentrations: A Case study in North Carolina.

In this study, we estimate ozone impacts on crop production and subsequent impacts on land use in the 2005 — ...

Our results point to the need for future observational and modeling studies to focus on the regional and seasonal characteristics of Antarctic climate change, the regional response to ozone depletion, the influence of tropical variability and climate change on Antarctic climate, and on the mechanisms that link sea ice and air temperature in Antarctica.

While the results do not show a significant impact on human health, especially considering that most of the ozone loss documented in this study occurs over the northern polar region, they are important scientifically.

Jackman says that prior to his study scientists had good measurements of ozone levels during solar storms, but they didn't have as comprehensive a measurement for the effect that protons have on nitrogen oxides (NO and NO2).

In this study we consider the impact of stratospheric ozone depletion on Antarctic sea ice extent using a climate model forced with observed stratospheric ozone depletion from 1979 to 2005.

For more information on EPA's proposed ozone NAAQS and the MAPI study, see my post today on CEI's Open Market.Org.

As the sole measure to limit ozone depletion, this may be insufficient but it is a start in reducing the pace of change while we continue the detailed study of the problem on which our (the British) Stratospheric Ozone Review Group is about to reozone depletion, this may be insufficient but it is a start in reducing the pace of change while we continue the detailed study of the problem on which our (the British) Stratospheric Ozone Review Group is about to reOzone Review Group is about to report.

UARS is gone, but for NASA the study of ozone goes on.

They had the following interchange, taken from the Congressional Report, «Hearing on Scientific Integrity and the Public Trust: The Science Behind Federal Policies and Mandates: Case Study 1 — Stratospheric Ozone: Myth and Realities», 104th Congress, 1st session, September 20, 1995, Report no. 31 (Gelbspan, 1998):

We've used the NASA Goddard Institute for Space Studies (GISS) climate model to examine the impact of a wetter stratosphere on climate and on ozone over populated areas (this study did not look at polar ozone).

Coupling of atmospheric regions: To study some of the mechanisms that provide coupling between the upper and lower atmosphere, e.g., downward transport of NO with its effects on ozone photochemistry and the vertical exchange of minor species such as odd oxygen, CO, and H2O.

On July 15, 2004, NASA's Aura spacecraft launched from California's Vandenberg Air Force Base on a mission to study Earth's ozone layer, air quality and climatOn July 15, 2004, NASA's Aura spacecraft launched from California's Vandenberg Air Force Base on a mission to study Earth's ozone layer, air quality and climaton a mission to study Earth's ozone layer, air quality and climate.

But this study suggests that repeated exposures to elevated ozone levels over time have cumulative effects on respiratory health.»

Topics that I work on or plan to work in the future include studies of: + missing aerosol species and sources, such as the primary oceanic aerosols and their importance on the remote marine atmosphere, the in - cloud and aerosol water aqueous formation of organic aerosols that can lead to brown carbon formation, the primary terrestrial biological particles, and the organic nitrogen + missing aerosol parameterizations, such as the effect of aerosol mixing on cloud condensation nuclei and aerosol absorption, the semi-volatility of primary organic aerosols, the importance of in - canopy processes on natural terrestrial aerosol and aerosol precursor sources, and the mineral dust iron solubility and bioavailability + the change of aerosol burden and its spatiotemporal distribution, especially with regard to its role and importance on gas - phase chemistry via photolysis rates changes and heterogeneous reactions in the atmosphere, as well as their effect on key gas - phase species like ozone + the physical and optical properties of aerosols, which affect aerosol transport, lifetime, and light scattering and absorption, with the latter being very sensitive to the vertical distribution of absorbing aerosols + aerosol - cloud interactions, which include cloud activation, the aerosol indirect effect and the impact of clouds on aerosol removal + changes on climate and feedbacks related with all these topics In order to understand the climate system as a whole, improve the aerosol representation in the GISS ModelE2 and contribute to future IPCC climate change assessments and CMIP activities, I am also interested in understanding the importance of natural and anthropogenic aerosol changes in the atmosphere on the terrestrial biosphere, the ocean and climate.

Published in the journal Geophysical Research Letters on Thursday, the study uses satellite observations to demonstrate that the decline in atmospheric chlorine that resulted from the implementation of the Montreal Protocol, enacted in 1989, has led to «about 20 percent less ozone depletion during the Antarctic winter than there was in 2005 — the first year that measurements of chlorine and ozone during the Antarctic winter were made by NASA's Aura satellite.»