Seasonal and solar cycle variation of  E ‐region nitric oxide | Zendy

Golshan N. | Zendy; Sechrist C. F. | Zendy

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Seasonal and solar cycle variation of E ‐region nitric oxide

Author(s) -

Golshan N.,

Sechrist C. F.

Publication year - 1975

Publication title -

radio science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.371

H-Index - 84

eISSN - 1944-799X

pISSN - 0048-6604

DOI - 10.1029/rs010i003p00305

Subject(s) - thermosphere , atmospheric sciences , seasonality , nitric oxide , variation (astronomy) , photoelectric effect , electron density , environmental science , ionosphere , physics , electron , astrophysics , chemistry , optics , astronomy , mathematics , statistics , organic chemistry , quantum mechanics

Measured electron density and [NO + ]/[O 2 + ] data are used to deduce the seasonal and solar activity variation of E ‐region nitric oxide concentration. The results imply a strong dependence of [NO] on soft X rays leading to the possibility that dissociation of N 2 by energetic photoelectrons is a major source of N( 2 D ). Seasonal variations of the thermosphere apparently cause enhanced [NO] in summer in agreement with the summer enhancement of experimental [NO + ]/[O 2 + ].

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