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Electron temperature in the E-region of the ionosphere

Technical Report:

Abstract

Various heating and cooling mechanisms which are operative in the lower E-region are discussed and their relative importance in different altitude range is shown. These heating and cooling rates are then used to derive the electron temperature T{sub e}. The calculated values of electron temperature are found to be higher than neutral temperature through out the altitude range 100 {approx} 150 km, with the difference increasing with increase in altitude. However, compared to observed values of T{sub e}, the calculated values are still smaller below about 130 km. Above this altitude, the calculated values become larger. Estimation of T{sub e} for different, suggested values of heating efficiency due to dissociative recombination, show that T{sub e} profile obtained even be assuming a constant value of 1.3 eV is in fairly good agreement with those derived based on variable values of this parameter. (author).
Publication Date:
Jun 01, 1991
Product Type:
Technical Report
Report Number:
ISAS-641
Reference Number:
SCA: 540110; PA: JPN-91:011061; SN: 92000630477
Resource Relation:
Other Information: PBD: Jun 1991
Subject:
54 ENVIRONMENTAL SCIENCES; E REGION; ELECTRON TEMPERATURE; RADIATION HEATING; RADIATIVE COOLING; RECOMBINATION; DISSOCIATION; 540110; BASIC STUDIES
OSTI ID:
10108987
Research Organizations:
Institute of Space and Astronautical Science, Sagamihara, Kanagawa (Japan)
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE92750870; TRN: JP9111061
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
JPN
Size:
19 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Zalpuri, K S, and Oyama, K -I. Electron temperature in the E-region of the ionosphere. Japan: N. p., 1991. Web.
Zalpuri, K S, & Oyama, K -I. Electron temperature in the E-region of the ionosphere. Japan.
Zalpuri, K S, and Oyama, K -I. 1991. "Electron temperature in the E-region of the ionosphere." Japan.
@misc{etde_10108987,
title = {Electron temperature in the E-region of the ionosphere}
author = {Zalpuri, K S, and Oyama, K -I}
abstractNote = {Various heating and cooling mechanisms which are operative in the lower E-region are discussed and their relative importance in different altitude range is shown. These heating and cooling rates are then used to derive the electron temperature T{sub e}. The calculated values of electron temperature are found to be higher than neutral temperature through out the altitude range 100 {approx} 150 km, with the difference increasing with increase in altitude. However, compared to observed values of T{sub e}, the calculated values are still smaller below about 130 km. Above this altitude, the calculated values become larger. Estimation of T{sub e} for different, suggested values of heating efficiency due to dissociative recombination, show that T{sub e} profile obtained even be assuming a constant value of 1.3 eV is in fairly good agreement with those derived based on variable values of this parameter. (author).}
place = {Japan}
year = {1991}
month = {Jun}
}