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Author: Allen J. Kantor
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 24
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Author: Allen J. Kantor
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 24
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Author: Arthur J. Kantor
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 0
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Author: Arthur J. Kantor
Publisher:
ISBN:
Category : Atmosphere, Upper
Languages : en
Pages : 28
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Fluctuations and periodic oscillations of the thermodynamic properties of the atmosphere between 25 and 80 km are analyzed in this paper to better define the structure of the tropical atmosphere. The nature of temperature and density variations at locations between 22 degrees N and 8 degrees S is examined by means of harmonic analysis. Amplitudes and phases of the annual and semiannual components of the temperature and density cycles indicate that the meteorological equator within the stratosphere and lower mesosphere lies south of Ascension Island. The paper is only one part of a larger investigation aimed at providing a set of mean monthly atmospheric models from the surface to 90 km at 15 degrees latitude intervals between equator and pole.
Author: V. S. Whitehead
Publisher:
ISBN:
Category :
Languages : en
Pages : 86
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Synoptic charts of pressure, temperature, and density as determined by the wind field were prepared to 56 km altitude. These charts indicate that synoptic scale perturbations similar in extent to those found in the troposphere and lower stratosphere exist to at least up to that height. Mean monthly meridional cross-sections of density distribution as determined by the wind field are given to 80 km altitude. These cross sections depict well the known lower level features of the density distribution and suggest an orderly change in the mesospheric density pattern as the seasons progress. Diurnal and semidiurnal oscillations of isopycnic surfaces at 20N, 30N, and 40N for summer and for winter are given to 80 km. The amplitude of the diurnal wave appears to increase rapidly above 50 km with the phase shifting eastward with height to 80 km. Three atmospheric models are presented in which absorption of solar radiant energy and the downward conduction of heat are the only heat transfer processes. These models were intended to simulate, to some extent, the atmosphere between 90 and 200 km. Discrepancies between the three models, however, discourage their use for their intended purpose, but do suggest methods for developing improved models. (Author).
Author: Gerald Vann Groves
Publisher:
ISBN:
Category : Atmosphere, Upper
Languages : en
Pages : 130
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Monthly means of zonal mean temperature, pressure, density, number density, pressure scale height, and geostrophic W-E wind are tabulated at heights from 18 to 80 km and latitudes from 80 S to 80 N with a 10 deg latitude interval. Formulae by which these quantities may be computed are present. Monthly mean longitudinal variations of temperature, pressure and density are tabulated at 30 deg longitude intervals for September to April in the N hemisphere and April to November in the S hemisphere at latitudes 20, 30 ..., 80 N (or S) over the same range of heights. Formulae by which the temperature, pressure and density variations may be computed are presented. The zonal means are derived from tabulations of temperature and geopotential height based on Nimbus 5 SCR and Nimbus 6 PMR and a S hemisphere reference atmosphere based on rocketsonde data that were both prepared for the COSPAR Meeting, Graz 1984 and on two earlier N hemisphere rocket-based reference atmospheres. CIRA 1972 and Air Force Reference Atmospheres (1978). The longitudinal variations are derived solely from the satellite-based tabulations. Comparisons are made between the rocket-based reference atmospheres, the satellite-based tabulations and the reference values presented here. Keywords: Reference atmosphere; Temperature; Pressure; Density; Stratosphere; Mesosphere. (Author).
Author: Charles W. Chagnon
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ISBN:
Category : Aerosols, Radioactive
Languages : en
Pages : 18
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Author: Wayne S. Hering
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ISBN:
Category : Atmospheric ozone
Languages : en
Pages : 280
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Author: John H. Conover
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ISBN:
Category : Albedo
Languages : en
Pages : 22
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Author: Robert T. Dodd
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ISBN:
Category : Chondrites (Meteorites)
Languages : en
Pages : 20
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Author: A. T. Stair
Publisher:
ISBN:
Category : Airglow
Languages : en
Pages : 10
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