Atmospheric Aerosol Scattering Background Observations PDF Download
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Author | : Frank W. Gibson |
Publisher | : |
Total Pages | : 42 |
Release | : 1988 |
Genre | : Aerosols |
ISBN | : |
Download Atmospheric Aerosol Scattering Background Observations Book in PDF, ePub and Kindle
Optical scattering, under very clear atmospheric conditions, was measured in situ and analyzed. The experiments were made with a large balloonborne nephelometer launched from Holloman AFB, New Mexico and flown to 26 km altitude. Profiles of angular scattering and polarization properties of atmospheric aerosols show contrast with aerosol particles encountered in the troposphere and stratosphere. The results are compared with those obtained using particle counters under similar atmospheric conditions.
Author | : |
Publisher | : |
Total Pages | : 34 |
Release | : 1988 |
Genre | : Aerosols |
ISBN | : |
Download Atmospheric Aerosol Scattering Background Observations Book in PDF, ePub and Kindle
Optical scattering, under very clear atmospheric conditions, was measured in situ and analyzed. The experiments were made with a large balloonborne nephelometer launched from Holloman AFB, New Mexico and flown to 26 km altitude. Profiles of angular scattering and polarization properties of atmospheric aerosols show contrast with aerosol particles encountered in the troposphere and stratosphere. The results are compared with those obtained using particle counters under similar atmospheric conditions.
Author | : Frank W. Gibson |
Publisher | : |
Total Pages | : 44 |
Release | : 1988 |
Genre | : Aerosols |
ISBN | : |
Download Atmospheric Aerosol Scattering Background Observations Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 348 |
Release | : 1976 |
Genre | : |
ISBN | : |
Download Atmospheric Aerosols: Their Optical Properties and Effects Book in PDF, ePub and Kindle
Author | : Louis Elterman |
Publisher | : |
Total Pages | : 18 |
Release | : 1964 |
Genre | : Aerosols |
ISBN | : |
Download Atmospheric Aerosol Observations with Searchlight Probing Book in PDF, ePub and Kindle
Author | : Keith Eric Grant |
Publisher | : |
Total Pages | : 330 |
Release | : 1981 |
Genre | : |
ISBN | : |
Download An Analysis of the Atmospheric Aerosol Size Distribution Information Retrievable from Near-limb Angular Radiance Measurements Taken on Mauna Loa, Hawaii Book in PDF, ePub and Kindle
Author | : Alexander A. Kokhanovsky |
Publisher | : Springer Science & Business Media |
Total Pages | : 154 |
Release | : 2008-03-18 |
Genre | : Science |
ISBN | : 3540499091 |
Download Aerosol Optics Book in PDF, ePub and Kindle
This new text offers experienced students a comprehensive review of available techniques for the remote sensing of aerosols. These small particles influence both atmospheric visibility and the thermodynamics of the atmosphere. They are also of great importance in any consideration of climate change problems. Aerosols may also be responsible for the loss of harvests, human health problems and ecological disasters. Thus, this detailed study of aerosol properties on a global scale could not be more timely.
Author | : Wiesje Mooiweer |
Publisher | : ProQuest |
Total Pages | : 182 |
Release | : 2008 |
Genre | : Atmospheric aerosols |
ISBN | : 9781109180466 |
Download The Dependence of Aerosol Scattering on Relative Humidity and Particulate Composition Book in PDF, ePub and Kindle
Particulates that form the atmospheric aerosol play a significant role in determining Earth's climate, both directly through scattering and absorption of solar radiation, and indirectly by impacting cloud formation processes. They are present in a large range of sizes, concentrations, chemical compositions, and compositional inhomogeneities, complicating our ability to quantify the aerosol's direct and indirect effects. This work investigates the dependence of aerosol light scattering on relative humidity (RH) and chemical composition, and the effect of organic material on scattering enhancement and implied particle growth characteristics. It utilizes measurements carried out in the Elk Mountain/Laramie Aerosol Characterization Experiment (EMLACE), in which observations were made at both a clean high-altitude mid-continental site (Elk Mountain, WY) in summer (2006), and in a small urban environment (Laramie, WY) during both summer (2005) and winter (2006). High time resolution measurements of scattering extinction from both dry and humidified PM 1 aerosols were obtained together with time resolved measurements of PM 1 volatile aerosol chemical composition and mass loading. Variabilities in particle chemical composition and optical behavior with location and season are documented. Scattering extinction is positively correlated with aerosol mass loading. Enhanced scattering, due to water uptake by the particles at high RH, is described by a scattering enhancement factor (f(RH)), which is found to be smaller with increasing mass fraction of organic material. Observed f(RH) values are interpreted in terms of mass weighted contributions (f(RH high) Inorg and f(RH high) Org) from the particulate inorganic and organic material at high RH. Analyses show that whereas f(RH high) Inorg varies continually, depending on the physical and chemical properties of the aerosol, the experimental data can, in general, be adequately interpreted using a value of 1.0 for f(RH high) Org (though values up to 1.1 are occasionally indicated), suggesting that organic material does not significantly promote increased scattering at high RH. Numerical values of f(RH high) Inorg and f(RH high) Org were used to develop an empirical parameterization of changes in aerosol optical properties with increasing RH, based solely on variations in particulate chemical composition. This parameterization successfully reconstructs variations in f(RH) for the observed ambient aerosols over the entire range of RH values employed in the experiments.
Author | : Kirill Ya. Kondratyev |
Publisher | : Springer Science & Business Media |
Total Pages | : 595 |
Release | : 2006-08-29 |
Genre | : Science |
ISBN | : 3540376984 |
Download Atmospheric Aerosol Properties Book in PDF, ePub and Kindle
This book provides the first comprehensive analysis of how aerosols form in the atmosphere through in situ processes as well as via transport from the surface (dust storms, seas spray, biogenic emissions, forest fires etc.). Such an analysis has been followed by the consideration of both observation data (various field observational experiments) and numerical modeling results to assess climate impacts of aerosols bearing in mind that these impacts are the most significant uncertainty in studying natural and anthropogenic causes of climate change.
Author | : Hayder Abdul-Razzak |
Publisher | : BoD – Books on Demand |
Total Pages | : 494 |
Release | : 2012-09-12 |
Genre | : Science |
ISBN | : 9535107283 |
Download Atmospheric Aerosols Book in PDF, ePub and Kindle
The book is divided into two sections. The first section presents characterization of atmospheric aerosols and their impact on regional climate from East Asia to the Pacific. Ground-based, air-born, and satellite data were collected and analyzed. Detailed information about measurement techniques and atmospheric conditions were provided as well. In the second section, authors provide detailed information about the organic and inorganic constituents of atmospheric aerosols. They discuss the chemical and physical processes, temporal and spatial distribution, emissions, formation, and transportation of aerosol particles. In addition, new measurement techniques are introduced. This book hopes to serve as a useful resource to resolve some of the issues associated with the complex nature of the interaction between atmospheric aerosols and climatology.