An optical remote sensing technique for determining nighttimeFregion electron density

Autor:	Ronald J. Thomas, Kenneth F. Dymond, Robert P. McCoy, Stefan E. Thonnard
Rok vydání:	1997
Předmět:	Physics Electron density Electron Condensed Matter Physics F region International Reference Ionosphere Physics::Geophysics Earth's magnetic field Local time Physics::Space Physics Range (statistics) General Earth and Planetary Sciences Electrical and Electronic Engineering Ionosphere Remote sensing
Zdroj:	Radio Science. 32:1985-1996
ISSN:	0048-6604
DOI:	10.1029/97rs01887
Popis:	We present a technique for using the measured variations of ultraviolet emissions produced by radiative recombination at 911 and 1356 A to determine the nighttime altitude distribution of F region O+ ions and electrons. The algorithm uses an iterative scheme based on discrete inverse theory to determine the best fit to the data. We present the results of simulations that demonstrate the convergence properties of the algorithm and the fidelity with which it reproduces the input ionosphere. The algorithm was tested against more realistic simulated “data” generated using the international reference ionosphere (IRI-90) [Bilitza, 1990]. The algorithm accurately retrieved the nighttime F region electron density at midlatitudes (±25°–65°N) over a wide range of solar and geomagnetic activity and local time.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7fbcf315624cc9a237922bd9dbb64568 https://doi.org/10.1029/97rs01887 Zobrazit plný text záznamu Plný text