Ionospheric D-region profile data base
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Ionospheric D-region profile data base a collection of computer-accessible experimental profiles of the D and lower E regions by L. F. McNamara

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Published by World Data Center A for Solar-Terrestrial Physics, NOAA, National Geophysical and Solar-Terrestrial Data Center, NOAA [distributor in Boulder, Colo .
Written in English


  • D region.,
  • E region.,
  • Ionospheric electron density.

Book details:

Edition Notes

Statementby L.F. McNamara.
SeriesReport UAG -- 67
ContributionsWorld Data Center A for Solar-Terrestrial Physics.
The Physical Object
Paginationii, 30 p. :
Number of Pages30
ID Numbers
Open LibraryOL22430108M

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The worldwide ionospheric data base is scat-tered over the entire globe. Different data sets are held at different institutions in the United States, the Soviet Union, Australia, Europe, and Asia. The World Data Centers in the dif-ferent continents archive and distribute part of . The Ionospheric Physics Group of NCEI operates the Ionosphere portion of the World Data Service for Geophysics, which seeks out and archives data, data products, and information related to the Ionosphere. Though our focus is ever expanding, much of the current effort at NCEI is in the Ionospheric Vertical Incidence Sounding discipline.   The ionosphere is that part of the Earth's atmosphere that results mainly from the photo ionization of the upper atmosphere. Traditionally, the following ionospheric regions and their approximate height ranges have been designated: D region ( km); E region ( km); F1 region ( km); and F2 region (above km).Publish Year: The ionospheric D-region is located at about 60 to 90 kilometers (km) altitude and is largely responsible for the absorption of radio waves. Historically, the most important ionospheric measurements in this region have utilized remote probing with such waves (Deeks, ; Coyne and Belrose, ; Lee and Ferraro, ). However, in termsFile Size: 1MB.

The Ionosphere is part of Earth’s upper atmosphere, between 80 and about km where Extreme UltraViolet (EUV) and x-ray solar radiation ionizes the atoms and molecules thus creating a layer of electrons. the ionosphere is important because it reflects and modifies radio waves used for communication and navigation.   Abstract. An estimation method for the state of the ionospheric D region and the base of the E region with the use of space-based facilities is suggested on the basis of an analysis of the differential absorption of radiowaves of ordinary and extraordinary polarizations in the lower by: 1. @article{osti_, title = {Ionospheric absorption, typical ionization, conductivity, and possible synoptic heating parameters in the upper atmosphere}, author = {Walker, J K and Bhatnagar, V P}, abstractNote = {Relations for the average energetic particle heating and the typical Hall and Pedersen conductances, as functions of the ground.   Definition of the Ionospheric Regions (Structures) For convenience, we divide the Ionosphere into four broad regions called D, E, F, and topside. These regions may be further divided into several regularly occurring layers, such as F1 or F2. D-Region.

L. F McNamara has written: 'Ionospheric D-region profile data base' -- subject(s): D region, Ionospheric electron density, E region 'A comparative study of methods of electron density profile. ionospheric D region electron density profile sharpness from the Earth‐ionosphere waveguide mode interference pattern in the spectra of radio atmospherics (or sferics for short), which are the high‐power, broadband, very low frequency (VLF, 3–30 kHz). A brief review of the ionospheric D region electron collision freq uency information that is available from rocket observations and laboratory investigations indicates that the equa­ tion um= X P (mm Hg) is accmate 'l'ithin about ± 10 percent in t he portion of the D region above 40 Size: 4MB. This paper presents a numerical model and results for the mid-latitude ionospheric profile below the peak of the F2-layer. The basis of the model is the solving of equations for four ionic species O+, NO+, O+2 and N+2, as well as the meta-stable O+(2D) and O+(2P).