Effect of the Earth's Albedo on the Ionospheric  D  Layer | Zendy

Gassmann G. J. | Zendy; Wagner R. A. | Zendy

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Effect of the Earth's Albedo on the Ionospheric D Layer

Author(s) -

Gassmann G. J.,

Wagner R. A.

Publication year - 1969

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/rs004i006p00529

Subject(s) - ionosphere , cloud cover , atmospheric sciences , albedo (alchemy) , meteorology , amplitude , environmental science , cover (algebra) , absorption (acoustics) , geology , physics , cloud computing , geophysics , optics , mechanical engineering , engineering , performance art , computer science , art history , operating system , art

An aircraft carrying an ionospheric sounder traversed the boundaries of extended cloud cover near Los Angeles five times on July 18, 1967. Amplitudes of ionospheric E‐layer echoes at 3 MHz were received and recorded on magnetic tape, and median values were determined in 1‐minute intervals. Although these values scattered over ±3 decibels, the average median was lower, by 2.1 decibels, when the aircraft was over cloud cover than when the aircraft was over a cloud‐free area. The results suggest that an enhancement of the flux of visible light due to the reflecting cloud cover (estimated albedo 40%) changed the D‐layer chemistry in such a way that the electron density increased, resulting in a (6±3)% increase of two‐way non‐deviative absorption.

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