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  • 1
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    A cursory examination of the sensitivity of the tropospheric range and Doppler effects to the shape of the refractivity profile (1971)
    In:  CASI
    Details
    Publication Date: 2005-11-27
    Description: Ray tracing techniques for examination of refractivity profile sensitivity in tropospheric range and Doppler effects on profile shape
    Keywords: GEOPHYSICS
    Type: THE DEEP SPACE NETWORK, VOL. 1 15 FEB. 1971; P 22-30
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  • 2
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    Theoretical and experimental design studies for the Atmospheric General Circulation Experiment (1985)
    In:  CASI
    Details
    Publication Date: 2006-02-14
    Description: The major criterion for the Atmospheric General Circulation Experiment (AGCE) design is that it be possible to realize strong baroclinic instability in the spherical configuration chosen. A configuration was selected in which a hemispherical shell of fluid is subjected to latitudinal temperature gradients on its spherical boundaries and the latitudinal boundaries are insulators. Work in the laboratory with a cylindrical version of this configuration revealed more instabilities than baroclinic instability. Since researchers fully expect these additional instabilities to appear in the spherical configuration also, they decided to continue the laboratory cylindrical annulus studies. Four flow regimes were identified: an axisymmetric Hadley circulation, boundary layer convection, baroclinic waves and deep thermal convection. Regime diagrams were prepared.
    Keywords: GEOPHYSICS
    Type: NASA(MSFC FY-85 Atmospheric Processes Research Review; 2 p
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  • 3
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    DE 2 observations of disturbances in the upper atmosphere during a geomagnetic storm (1990)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Results are presented of physical interpretations of a sequence of in situ measurements taken in the midlatitude dusk sector during the geomagnetic storm of November 24, 1982 by instruments on board the DE-2 spacecraft in polar orbit. The results represent the first comparison of nearly simultaneous measurements, obtained at different seasons in a common local time sector, of storm disturbances in dc electric fields, zonal ion convection, zonal winds, gas composition and temperature, and electron density and temperature.
    Keywords: GEOPHYSICS
    Type: Journal of Geophysical Research (ISSN 0148-0227); 95; 21017-21
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  • 4
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    Ozone-temperature relationships in the stratosphere (1985)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Utilizing independent estimates of ozone and temperature fields from the SBUV (Nimbus 7) and NOAA operational satellites, respectively, for the period 1978-1981, the coefficient of variation between the two parameters is determined. This coefficient is defined as A = Delta-O3 x (T)/Delta T x (O3) wehre Delta is an incremental change in either temperature or ozone and the bracket is a mean state. In practice, A is determined on a daily basis by regression of ozone mixing ratio versus temperature around a latitude circle during the winter season and the bracket value is the daily zonal average. This has the advantage of keeping the solar zenith angle fixed for a daily value while allowing it to change during the season. This is done at 30, 10, 5, 2, and 1 mb from 20 deg to 60 deg latitude in both hemispheres. The results are summarized and compared with those determined from a one-dimensional photochemical model applied to different latitudes.
    Keywords: GEOPHYSICS
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  • 5
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    Geothermal infrared anomalies of low intensity, Yellowstone National Park (1968)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Infrared aerial sensing of high temperature geothermal water sources
    Keywords: GEOPHYSICS
    Type: NASA. MANNED SPACECRAFT CENTER EARTH RESOURCES AIRCRAFT PROGRAM STATUS REV., VOL. 1 1968 (SEE N71-16126 06-13)
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  • 6
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    The main electron trough during the rising solar cycle (1970)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Magnetospheric electron density trough measurements by Explorer 22 Langmuir probe during rising solar cycle
    Keywords: GEOPHYSICS
    Type: ; ADEMIE DES SCIENCES
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  • 7
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    A comparison of Arctic lower stratospheric winter temperatures for 1988-89 with temperatures since 1964 (1990)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Lower stratospheric temperatures during the Airborne Arctic Stratospheric Expedition are compared with temperatures available since January, 1964. January, 1989, was the coldest averaged January in the last 26 years at high latitude, lower stratospheric levels. There have been other months with temperatures almost as low as the level of January, 1989, and localized temperatures (e.g., minimum polar vortex temperatures) have been lower than that encountered in January 1989. February, 1989, was warmer than average and March, 1989, had some of the highest polar vortex temperatures in the last 26 years. Conditions were therefore not very favorable for Polar Stratospheric Cloud (PSC) formation into early spring.
    Keywords: GEOPHYSICS
    Type: Geophysical Research Letters, Supplement (ISSN 0094-8276); 17; 333-336
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  • 8
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    The influence of lower stratospheric forcing on the October Antarctic ozone decrease (1987)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: A pattern correlation is found between the 30-mb zonal average ozone and temperature at 70 deg S during the October months and the 100-mb Eliassen-Palm (E-P) fluxes for the seven Septembers of 1979 to 1985, suggesting a dynamical influence on the long term trend of ozone and temperature values in the Southern Hemisphere for this period. For the August E-P fluxes and September values, this relationship is found to hold for temperature while not being strong for ozone. No explanation is found for the anomalously warm temperature values noted for both September and October 1982.
    Keywords: GEOPHYSICS
    Type: Geophysical Research Letters (ISSN 0094-8276); 14; 202-205
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  • 9
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    Band absorption in nonhomogeneous, isotropically-scattering planetary atmospheres - Theory and experiment (1973)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: A computer program is developed which predicts the vertical distribution of an absorbing species in an isotropically-scattering, finite planetary atmosphere from measurements of the upwelling band radiance determined by a vertically traversing 2-channel radiometer. Comparison is made with experiment.
    Keywords: GEOPHYSICS
    Type: Journal of Quantitative Spectroscopy and Radiative Transfer; 13; Dec. 197
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  • 10
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    Calculated stormtime variations in plasmaspheric thermal ion composition (1983)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: Model calculations describing stormtime variations in the earth's dayside plasmasphere are used to examine variations in ion composition. The model storm is initiated by high-latitude thermospheric heating that generates meridional winds that carry neutral species, momentum, and energy equatorward. The thermosphere acts on the plasmasphere through collisional transfer of momentum and through chemical reactions between neutral species and ions. Over latitudes near the region of thermospheric heating, the thermosphere-plasmasphere coupling processes cause enhancement in the density of oxygen ions while protons are being lost. Meanwhile, densities of oxygen ions and protons near the equator are increasing together, almost in phase. The largest enhancements in ion density develop at latitudes near 45 deg invariant for both oxygen and hydrogen.
    Keywords: GEOPHYSICS
    Type: Journal of Geophysical Research (ISSN 0148-0227); 88; 10233-10
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