On formulating a simple D-region model

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050 4 ‡aQC807.5 ‡b.U55 no.987
086 0 ‡aD 301.45/39:987
088 ‡aADA 195841
088 ‡aAFGL TR 87-308
100 1 ‡aSwider, William.
245 1 0 ‡aOn formulating a simple D-region model / ‡cWilliam Swider.
264 1 ‡aHanscom AFB, Massachusetts : ‡bAir Force Geophysics Laboratory, Air Force Systems Command, United States Air Force, ‡c1987.
300 ‡av, 14 pages : ‡billustrations ; ‡c28 cm.
336 ‡atext ‡btxt ‡2rdacontent
337 ‡aunmediated ‡bn ‡2rdamedia
338 ‡avolume ‡bnc ‡2rdacarrier
490 0 ‡aAFGL-TR ; ‡v87-0308
490 0 ‡aEnvironmental Research Papers ; ‡vNo. 987
500 ‡aResearch supported by the Air Force Geophysics Laboratory, United States Air Force, Hanscom AFB, Massachusetts.
500 ‡aIonospheric Physics Division Project 4643.
500 ‡a"28 October 1987."
504 ‡aIncludes bibliographical references (pages 13-14).
520 ‡aThis report focuses on a body of work that suggests that the effective recombination coefficients in the daytime D-Region are fairly invariant and thus lead to a rather simple solution for the electron concentrations. In addition, a quadratic expression is available for the estimation of electron concentrations at night. The ionization production rate q must be known and incorporated into the chemistry of the D region to determine electron concentrations (e) as a function of altitude. There is some D region research which supports a simple way to determine (e) once q is known. Thus, the daytime effective recombination coefficient, Psi, appears to be relatively insensitive to q and can provide for the determination of (e), (e) = sq rt(q/Psi) under steady-state conditions. For steady-state conditions at night, an equation exists which yields (e) with reasonable accuracy. Keywords: D Region; Ionosphere; Mesosphere.
538 ‡aMode of access: Internet.
650 7 ‡aMesosphere. ‡2fast ‡0http://id.worldcat.org/fast/1017366
650 7 ‡aLower ionosphere. ‡2fast ‡0http://id.worldcat.org/fast/1003261
650 7 ‡aIonospheric electron density. ‡2fast ‡0http://id.worldcat.org/fast/978689
650 7 ‡aIonization. ‡2fast ‡0http://id.worldcat.org/fast/978621
650 7 ‡aD region. ‡2fast ‡0http://id.worldcat.org/fast/886483
650 7 ‡aAtmospheric chemistry. ‡2fast ‡0http://id.worldcat.org/fast/820380
650 0 ‡aIonization. ‡0http://id.loc.gov/authorities/subjects/sh85067822
650 0 ‡aIonospheric electron density. ‡0http://id.loc.gov/authorities/subjects/sh85067837
650 0 ‡aAtmospheric chemistry. ‡0http://id.loc.gov/authorities/subjects/sh85009280
650 0 ‡aMesosphere. ‡0http://id.loc.gov/authorities/subjects/sh85083962
650 0 ‡aLower ionosphere. ‡0http://id.loc.gov/authorities/subjects/sh85078665
650 0 ‡aD region. ‡0http://id.loc.gov/authorities/subjects/sh85035339
710 2 ‡aU.S. Air Force Geophysics Laboratory. ‡0http://id.loc.gov/authorities/names/n79109638 ‡1http://id.loc.gov/rwo/agents/n79109638
730 0 ‡aTechnical Report Archive & Image Library (TRAIL)
776 0 8 ‡iOnline version: ‡aSwider, William. ‡tFormulating a simple D-region model. ‡dHanscom AFB, Mass. : Air Force Geophysics Laboratory, United States Air Force, 1987 ‡w(OCoLC)645884302
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