A large‐scale ionospheric depletion by intense radio wave heating | Zendy

Wright J. W. | Zendy; Kopka H. | Zendy; Stubbe P. | Zendy

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A large‐scale ionospheric depletion by intense radio wave heating

Author(s) -

Wright J. W.,

Kopka H.,

Stubbe P.

Publication year - 1988

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl015i013p01531

Subject(s) - daytime , ionosphere , instability , atmospheric sciences , geophysics , f region , geology , scale (ratio) , radio wave , meteorology , physics , environmental science , mechanics , quantum mechanics

A large (100 km N/S), stable, smoothly‐structured and significant depletion (15% in number density) of the daytime Tromsø F‐region was produced inadvertently during a Heater polarisation and beam‐forming procedure. We show that the depletion coincided with the passage of an atmospheric gravity wave of natural origin which served as a large‐scale ‘seed‘ depletion for the self‐focussing instability.

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