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Author: Roger A. Van Tassel Publisher: ISBN: Category : Atmosphere, Upper Languages : en Pages : 64
Book Description
The overall objective of the AFGL Auroral-E Program is to develop a system to specify the electron density in the auroral E-layer by remote sensing of optical emissions. The first step in meeting this objective was a careful input-output experiment conducted in Alaska during March 1981. This experiment included satellite measurements of the source particle stream; rocket measurements of the optical emissions, electron and proton fluxes and electron, neutral and ion densities, neutral winds and electromagnetic fields; airborne measurements to provide data to assess the auroral and ionospheric conditions prior to and during launch; and incoherent scatter radar measurements to provide neutral wind, electric field and electron density data. These data will be used to establish a quantitative relationship among the precipitating particles, the resulting electron density profiles and the optical emissions from several species in the continuous or diffuse aurora. This report gives the results of the rocket-borne filter photometer experiment.
Author: Roger A. Van Tassel Publisher: ISBN: Category : Atmosphere, Upper Languages : en Pages : 64
Book Description
The overall objective of the AFGL Auroral-E Program is to develop a system to specify the electron density in the auroral E-layer by remote sensing of optical emissions. The first step in meeting this objective was a careful input-output experiment conducted in Alaska during March 1981. This experiment included satellite measurements of the source particle stream; rocket measurements of the optical emissions, electron and proton fluxes and electron, neutral and ion densities, neutral winds and electromagnetic fields; airborne measurements to provide data to assess the auroral and ionospheric conditions prior to and during launch; and incoherent scatter radar measurements to provide neutral wind, electric field and electron density data. These data will be used to establish a quantitative relationship among the precipitating particles, the resulting electron density profiles and the optical emissions from several species in the continuous or diffuse aurora. This report gives the results of the rocket-borne filter photometer experiment.
Author: Publisher: ISBN: Category : Aeronautics Languages : en Pages : 1126
Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: D. J. Strickland Publisher: ISBN: Category : Ionospheric electron density Languages : en Pages : 74
Book Description
The possible use of satellite ultraviolet measurements to deduce the ionospheric electron density profile (EDP) on a global basis is discussed. A system concept is considered and analyzed which (a) develops and installs a UV sensor on the DMSP satellite and develops an associated automatic data processing (software) system, (b) utilities optical data together with DMSP electron density and temperature data to deduce the near real-time EDP near the satellite orbital plane, and (c) transmits this EDP data to be used together with ground-based ionosonde data and GPS total electron content data to specify the global EDP for systems users. The ionosonde and total electron content data would increase the EDP data base generated by the UV data and refine the UV based EDP where coincident data existed. This report considers (a) the daytime low to midlatitude ionosphere from 90 to 1000 km, (b) the nighttime midlatitude from about 250 km to 1000km, and (c) the auroral E layer from 90 to about 200 km for undisturbed conditions. The spatial resolution for the daytime and nighttime EDP is at least one vertical profile for each square 500 km on a side and for the auroral E layer at least one vertical profile for each square 50km on a side. Other ionospheric regions were not considered because of frequent occurrence of irregularities or highly variable transport conditions.
Author: Roger A. Van Tassel
Author: Roger A. Van Tassel
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Author: D. J. Strickland
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Author: NASA Scientific and Technical Information Facility
Author: U.S. Air Force Geophysics Laboratory