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Sunday, February 2, 2020 | History

2 edition of air quality patterns of aerosols on the global scale found in the catalog.

air quality patterns of aerosols on the global scale

Vincent J. Schaefer

air quality patterns of aerosols on the global scale

final report

by Vincent J. Schaefer

  • 231 Want to read
  • 7 Currently reading

Published by Atmospheric Sciences Research Center, State University of New York at Albany in Albany, N.Y .
Written in English

    Subjects:
  • Aerosols.,
  • Air -- Pollution -- Measurement.

  • Edition Notes

    Statementby Vincent J. Schaefer.
    SeriesASRC-SUNY publication ; no. 406
    The Physical Object
    Pagination2 v. (262, [6] leaves of plates) :
    Number of Pages262
    ID Numbers
    Open LibraryOL16581379M

    Modeling of aerosols and their radiative forcings are constrained by validating model results with in-situ surface and aircraft observations and remote sensing observations from satellites and lidar. This included the writing of numerous articles and the delivering of many presentations concerning the natural environment of upstate New York and the human impact on it. View Images Greenhouse gases are a key factor in the Earth's changing climate. Photograph by Peter Essick, Nat Geo Image Collection Another pollutant associated with climate change is sulfur dioxide, a component of smog. China is a perfect case in point. During this period Schaefer also continued his consulting work for many companies, government agencies, and universities.

    The number of cars, both in Britain and in most countries around the world, is now steadily increasing, and a speed up in technological development is required to try and combat the pollution problem. During his years at ASRC, in addition to the NSI summer programs, Schaefer led annual research expeditions to Yellowstone National Park for atmospheric scientists to work in the outdoor laboratory it provided each January. Biological material is impacted and deposited onto an agar lined Petri dish, allowing cultures to develop. The final prices may differ from the prices shown due to specifics of VAT rules About this book Atmospheric particles are ubiquitous in the atmosphere: they form the seeds for cloud droplets and they form haze layers, blocking out incoming radiation and contributing to a partial cooling of our climate.

    This metamodel provides a tool to simulate, in a global 3D model, the effects of cities around the world on aerosol chemistry, physics, and radiative effects at the global scale. For example, a PM10 filter lets smaller sizes pass through. The quantification of the effect of aerosols on the radiative balance cooling or heating of the planet has been one of the most urgent tasks to underpin more informed projections of future climate change. This creates a region of high density ions, a corona discharge, which charges incoming aerosol droplets, and the electric field deposits the charges particles onto a collection surface. In any home, people can safeguard against indoor air pollution by increasing ventilation, testing for radon gas, using air purifiers, running kitchen and bathroom exhaust fans, and avoiding smoking. Once airborne they typically remain in the PBL, but in some cases reach the upper troposphere and stratosphere.


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air quality patterns of aerosols on the global scale by Vincent J. Schaefer Download PDF Ebook

Description Thesis Sc. Consequently, keeping the air which we breathe at home clean is of necessary importance, particularly for certain vulnerable members, including babies, children, pregnant women and the unborn babies, the elderly, and those suffering from respiratory or allergic diseases, such as asthma.

Reduction in sulphur air quality patterns of aerosols on the global scale book emissions will reduce particulate air pollution especially in the Eastern Mediterranean area. As part of this project, Schaefer designed and built a 6' diameter window in memory of his parents for the Saint James Church in North Creek in the Adirondacks.

Bioaerosols introduced to the atmosphere can form clouds, which are then blown to other geographic locations and precipitate out as rain, hail, or snow.

Congress passed the Clean Air Act, legislation which has been air quality patterns of aerosols on the global scale book and strengthened in the ensuing decades.

Measuring air pollution around the UK and the historical changes are also reported. Variations such as the 7-day recording volumetric spore trap have been designed for continuous sampling using a slowly rotating drum that deposits impacted material onto a coated plastic tape.

Furthermore, it would take additional turbulence or convection at the upper limits of the PBL to inject bioaerosols into the troposphere where they may transported larger distances as part of tropospheric flow.

In addition to continuing his consulting work, Schaefer was in a position to devote much more of his time to some of his lifelong interests such as environmental issues, natural and local history.

View Images Greenhouse gases are a key factor in the Earth's changing climate. These results were compared with observations of 03, CO, formaldehyde, BC, and PM10 from a few well observed urban areas, and in most of the cases, the output distributions were found to be within ranges of the observations.

On the advice of his maternal uncles, Schaefer joined a four-year apprentice machinist course at General Electric. The reasons for the recent decline in air quality remain unclear, says the agency, but may be related to high numbers of wildfiresa warming climate, and increasing human consumption patterns driven by population growth and a strong economy.

In November he conducted a successful field test seeding a natural cloud by airplane—with dramatic ice and snow effect. Near surface air in remote marine regions like the Southern Ocean where sea spray may be more prevalent than dust transported from continents.

In addition, the successful field test enabled Langmuir to obtain federal funding to support additional research in cloud seeding and weather modification by the GE Research Laboratory. He worked with the American Meteorological Society and Natural Science Foundation on an educational film program and to develop the Natural Sciences Institute summer programs which gave high school students the opportunity to work with scientists and on their own to do field research and experimentation.

Weather A comprehensive set of resources on weather including all types of precipitation, clouds, weather fronts and measurements of weather. The project outcome has been targeted to reinforce European political decision-making to develop new strategies and implementation plans for global air quality monitoring and to take Europe a leading role in developing and applying environmental technologies.

Contact Us. Arthur C. Reduction of organic aerosol concentrations is a lot more challenging and will require reductions of gas and aerosol emissions from transportation and biomass burning. While bioaerosols may travel thousands of kilometers before deposition, their ultimate distance of travel and direction is dependent on meteorological, physical, and chemical factors.

Humans have pumped enough carbon dioxide into the atmosphere over the past years to raise its levels higher than they have been for hundreds of thousands of years.

Acid rain, first discovered in the s, was another problem resulting from coal-powered plants.

Understanding impacts of aerosols and trace gases on climate and air quality

Collected particles are impacted onto a vertical glass slide greased with petroleum.Monitoring spatial and temporal variability of air quality using satellite observation data: A case study of MODIS-observed aerosols in Southern Ontario, Canada 67 MODIS-derived AOD is subject to weather condition and has lower accuracy and lower temporal frequency (once a.

Air quality is determined by atmospheric aerosols and trace gases, which have adverse effects on, e.g., health, visibility and climate.

Vincent Schaefer

In particular, the near-surface concentrations of NO 2, SO 2, O 3, NH 3, Volatile Organic Compounds (VOCs) and aerosol properties, for air quality purposes often expressed as PM or PM10, are important. Aerosols An aerosol is a suspension of small particles in air or another gas.

From the point of view ofair pollution engineering, aerosols are important because unwanted particles are produced in combustion and other industrial processes. In addition, primary gaseous emissions may react in the atmosphere to produce secondary species that.Pdf that respect, one of the most important elements of the atmosphere are aerosols.

They play a fundamental role in physical and chemical processes affecting both air quality and regional and global climate. Aerosols affect the Earth’s radiative balance both in the cloud-free and the cloudy tjarrodbonta.com by: 5.Atmospheric particles are ubiquitous in the atmosphere: they form the seeds for cloud droplets and they form haze layers, blocking out incoming radiation and contributing to a partial cooling of our climate.

They also contribute to poor air quality and health impacts. A large fraction of aerosols.Apr 09,  · Ebook levels of air pollutants in Asia have recently drawn considerable attention, but the ebook of Asian pollution outflows on regional climate and global atmospheric circulation remain to be quantified.

Using a multiscale global aerosol–climate model (GCM), we demonstrate long-range transport of the Asian pollution, large resulting variations in the aerosol optical depth, cloud Cited by: