A semi-empirical, low-latitude ionospheric model /
Since current empirical models specifying low-latitude electron density profiles severely underestimate the daytime plasma density scale-height and total electron content (TEC), a Semi-empirical, Low-latitude, Ionospheric Model (SLIM) was developed which is not only more realistic but is also comput...
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| Main Author: | |
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| Corporate Author: | |
| Other Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Hanscom AFB, Mass. :
Ionospheric Physics Division, Air Force Geophysics Laboratory,
[1985]
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| Series: | AFGL-TR ;
85-0254. Environmental research papers (Hanscom AFB, Mass.) ; no. 933. |
| Subjects: |
MARC
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| 088 | |a AFGL TR 85-254 | ||
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| 090 | |a QC881.2.I6 |b A52 1985 | ||
| 100 | 1 | |a Anderson, David N., |d 1938- | |
| 245 | 1 | 2 | |a A semi-empirical, low-latitude ionospheric model / |c David N. Anderson, Michael Mendillo, Bruce Herniter. |
| 260 | |a Hanscom AFB, Mass. : |b Ionospheric Physics Division, Air Force Geophysics Laboratory, |c [1985] | ||
| 300 | |a vi, 102 pages : |b illustrations ; |c 28 cm. | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a unmediated |b n |2 rdamedia | ||
| 338 | |a volume |b nc |2 rdacarrier | ||
| 490 | 1 | |a AFGL-TR ; |v 85-0254 | |
| 490 | 1 | |a Environmental research papers ; |v no. 933 | |
| 500 | |a Cover title. | ||
| 500 | |a Distributed to depository libraries in microfiche. | ||
| 500 | |a "10 October 1985." | ||
| 504 | |a Includes bibliographical references (pages 101-102). | ||
| 513 | |a Scientific. Interim. | ||
| 520 | |a Since current empirical models specifying low-latitude electron density profiles severely underestimate the daytime plasma density scale-height and total electron content (TEC), a Semi-empirical, Low-latitude, Ionospheric Model (SLIM) was developed which is not only more realistic but is also computationally fast. Electron density profiles (180 to 1800 km) are theoretically calculated as a function of latitude (every 2 deg between 24 N and 24 S dip latitude) and local time (every half-hour over 24 hours LT) by solving the time-dependent plasma continuity equation. Assuming a Chapman-like profile, sets coefficients are then generated which reproduce these individual profiles. The coefficients themselves are easily stored, quickly retrieved and form the basis for a fast, portable, semi-empirical computer code. This report describes briefly the input parameters used to theoretically calculate profiles and the procedures used to generate the coefficients. The SLIM profiles are compared with the Chiu and Bent empirical models for Equinox, solar maximum conditions. Finally electron densities, the coefficients, TEC and 6300 A airglow intensities are listed in tabular form for three seasons (Equinox, June solstice, and December solstice) and two solar cycle periods (solar maximum and solar minimum). | ||
| 536 | |d 61102F, |d 2310, |d G9, |d 01. | ||
| 650 | 0 | |a Ionospheric electron density. | |
| 650 | 0 | |a Ionosphere |x Mathematical models. | |
| 650 | 0 | |a Airglow. | |
| 700 | 1 | |a Mendillo, M. |q (Michael) | |
| 700 | 1 | |a Herniter, Bruce. | |
| 710 | 2 | |a U.S. Air Force Geophysics Laboratory. |b Ionospheric Physics Division. | |
| 830 | 0 | |a AFGL-TR ; |v 85-0254. | |
| 830 | 0 | |a Environmental research papers (Hanscom AFB, Mass.) ; |v no. 933. | |
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