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3 edition of International Workshop on Stratospheric Aerosols-- Measurements, Properties, and Effects found in the catalog.

International Workshop on Stratospheric Aerosols-- Measurements, Properties, and Effects

International Workshop on Stratospheric Aerosols-- Measurements, Properties, and Effects

proceedings of a workshop sponsored by the IAMAP Radiation Commission and the NASA Upper Atmosphere Research Program at Ames Research Center, March 27-30, 1990

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  • 20 Currently reading

Published by National Aeronautics and Space Administation, Ames Research Center, National Technical Information Service, distributor] in Moffett Field, Calif, [Springfield, VA .
Written in English

    Subjects:
  • Aerosols -- Congresses.,
  • Stratosphere -- Congresses.

  • Edition Notes

    Other titlesProceedings of a workshop
    Statementedited by Rudolf Pueschel.
    GenreCongresses.
    SeriesNASA conference publication -- 3114
    ContributionsPueschel, R. F., International Association of Meteorology and Atmospheric Physics. Radiation Commission, NASA Upper Atmospheric Research Program., Ames Research Center.
    The Physical Object
    FormatMicroform
    Pagination59 p.
    Number of Pages59
    ID Numbers
    Open LibraryOL22229592M

      The first public engagement study on the acceptability of stratospheric aerosol technology and a proposed field trial of an aerosol deployment mechanism shows that almost all participants were Cited by: A new prognostic representation of stratospheric aerosols in CESM Whole Atmosphere Working Group CESM Workshop, Breckenridge effects, the inferred histories include mixing ratios above to in situ stratospheric aerosol measurements over the period – at (left) .

    If the remaining uncertainty in DoLP is kept below %, then one can use multi-angle, multi-spectral measurements of I, Q, and U to retrieve aerosol properties (in real time, using no predefined. Abstract: Stratospheric aerosols significantly influence both the Earth's climate and the chemical composition of the stratosphere. Volcanic aerosols injected into the stratosphere, due to large volcanic eruptions, further enhance the effect on the climate and possibly lead to ozone depletion in the middle latitude stratosphere.

    Aerosols Suspension of particles of condensed matter (liquid, solid, or mixed) in a carrier gas (usually air). Aerosols are important in the atmosphere as nuclei for the condensation of water droplets and ice crystals, as participants in various chemical cycles, and as absorbers and scatterers of solar radiation, thereby influencing the radiation budget of the earth-atmosphere system, which in. A model for studying the composition and chemical effects of stratospheric aerosols Azadeh Tabazadeh, Richard P. Turco and Mark Z. Jacobson Department of Atmospheric Sciences, University of California, Los Angeles effects caused by HNO3 dissolution on the physical and chemical properties of stratospheric aerosols are discussed.


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International Workshop on Stratospheric Aerosols-- Measurements, Properties, and Effects Download PDF EPUB FB2

International Workshop on Stratospheric Aerosols-- Measurements, Properties, and Effects: proceedings of a workshop sponsored by the IAMAP Radiation Commission and the NASA Upper Atmosphere Research Program at Ames Research Center, MarchA summary is presented and Effects book the discussions on formation and evolution, transport and fate, effects on climate, role in heterogeneous chemistry, and validation of lidar and satellite remote sensing of stratospheric aerosols.

Measurements are recommended of the natural (background) and the volcanically enhanced aerosol (sulfuric acid and silica particles), the exhaust of shuttle, civil aviation and supersonic aircraft operations (alumina, soot, and ice particles Author: Rudolf F.

Pueschel. Assessment of Stratospheric Aerosol Properties (ASAP) gniog o an-•Ans iAPS SPARC examination of stratospheric aerosols • Topics include: – Aerosol precursors – Measurements & climatologies • ‘Filled’ data set for present – “Trends” – Modeling Reconstruction of NH aerosol extinction at.

All times are subject to change. At present the measurements are done with a frequency of 1 Hz, but an increase of up to 30 Hz is possible. The lower detection limit of the used White Cell is by 10(exp ) per m.

This is sufficient for measuring the extinction coefficient during most tropospheric and some stratospheric : Gunthard Metzig. Title: Science issues: Publication: In its International Workshop on Stratospheric Aerosols: Measurements, Properties, and Effects p (SEE N ).

Experiments are described in which bulk solutions typical of atmospheric aerosols (nitric acid, sulfuric acid, and hydrates; ammonium sulfate; ammonium bisulfate; sodium International Workshop on Stratospheric Aerosols-- Measurements are supercooled and/or supersaturated and nucleated to initiate crystal : John Hallet.

LITE was used to measure tropospheric and stratospheric aerosols, clouds, and surface reflectance on a global scale. The next step in space-based lidar was the ICESat mission, which obtained measurements of aerosol and cloud properties from to Measurements of backscatter from to nm were obtained (Schutz et al., ).

Stratospheric aerosol has only been integrated in assessments in the context of their effects on ozone chemistry and has not been critically evaluated. The objective of the SPARC Report No.

4 () was to present a systematic analysis of the state of knowledge of stratospheric aerosols. It has been used to study indirect aerosol effects [Lohmann and Ferrachat, ].

In order to simulate GE in terms of stratospheric aerosols 5 Mt of gaseous SO 2 are injected per year in a band around the equator between 10°N and 10°S similar to previous studies [Robock et al., ]. Observational effects of stratospheric aerosol Measurements of intensity and polarization of the twilight sky background are being conducted in Chepelevo, central Russia (°N, °E) using Wide-Angle Polarization Camera (WAPC) described by Ugolnikov and Maslov (ab).

This camera is designed for polarizationCited by: 2. The results of six balloon flights at McMurdo Station, Antarctica, under varying temperature conditions, are used in a study of polar stratospheric clouds during Sept. A particle counter, with size resolution in the micron radius region, indicates that cloud size distributions are always bimodal.

Long-Term Observations by Satellite and Ground-Based Lidar Near-global monitoring of stratospheric aerosols has been accomplished by satellite instruments (Table 1), complemented with ground-based lidar and in situ measurements using various instruments on balloon or aircraft platforms (PuesTable 1 Satellite Limb Extinction Measurements Wavelength (urn) (primary species) Cited by: Optical properties of stratospheric aerosols and cirrus clouds and their radiative effects are currently important subjects of research worldwide.

Those investigations are typical of developed coun Cited by: 5. stratospheric aerosol properties during volcanically quiescent periods. Furthermore, new measurement systems and techniques, both in situ and space-based, have been developed for measuring physical aerosol properties with greater accuracy and for characterizing aerosol.

This experiment aims to improve estimates SRM’s impact by understanding the optical properties of different aerosols and the microphysics properties of introducing particles into the stratosphere.

The plan is to spray water molecules into the stratosphere from a balloon 20 km above the Earth, creating a plume, and then inject different kinds. The models are in agreement with simultaneous aerosol mass measurements made by aircraft filter sampling and by balloon-borne impactor over Laramie, Wyo.

Nominal stratospheric aerosol optical. inferences of stratospheric aerosol properties during volcanically quiescent periods. Furthermore, new measurement systems and techniques, both in situ and space based, have been developed for measuring physical aerosol properties with greater accuracy and for characterizing aerosol composition.

However, theseCited by: Aerosol Workshop — JunePanel D: Agency Plans. Curran, J. Levy, J. Moyers, R. Petty, R.

Ferek. Curran summarized the NASA Strategy to Address the Effects of Aerosols on the Global Environment, which is an appendix to the NASA Science Research already has substantial aerosol research which includes consideration of both climatic and chemical aerosol effects, and.

Mishchenko, M. I., and L. Travis, Satellite retrieval of aerosol properties over the ocean using measurements of reflected sunlight: effect of instrumental errors and aerosol absorption. Geophys. The Stratospheric Aerosol and Gas Experiment (SAGE) II solar occultation instrument has been making measurements on stratospheric aerosols and gases continually since October Observations from the SAGE II instrument provide a valuable long-term data set for study of the aerosol in the stratosphere and aerosol and cloud in the upper.

Stratospheric particles, by absorbing and scattering radiation from the sun and earth, can affect the atmosphere's radiation balance, thereby affecting the climate. Some numerical results concerning the amount of energy lost from an incident light beam as it propagates through a layer of uniformly distributed particles are by:   Abstract.

This chapter discusses the specificities of aerosol processes and aerosol properties in the stratosphere. This includes background material on stratospheric circulation, a discussion of the sulphur budget in the stratosphere, and a description of aerosol size distribution in volcanic and nonvolcanic (background) conditions.stations.

The recent launching of the Stratospheric Aerosol Measurement I1 (SAM 11) and Stratospheric Aerosol and Gas Experiment (SAGE) satellite systems, specifically to monitor the stratospheric aerosol with approximately I-Ian vertical resolution, has greatly enhanced our capability to study volcanic plumes (ref.

3).File Size: 1MB.