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A new method for deducing the effective collision frequency profile in the D-region

Beharrell, Matthew J. and Honary, Farideh (2008) A new method for deducing the effective collision frequency profile in the D-region. Journal of Geophysical Research, 113 (A05303). pp. 1-9. ISSN 0148-0227

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    Abstract

    A method based on linear regularization is presented for the deduction of the effective collision frequency profile in the D-region using an incoherent scatter radar and a colocated riometer. The deduced collision frequency above EISCAT, Tromsø, for the period 09 November 2004 to 13 November 2004 matches very well with that calculated using neutral densities and temperatures from the NRLMSISe-00 atmospheric model between 68 km and 95 km during active (ap > 50) and quiet (ap < 50) conditions. We also confirm the validity of using the Appleton-Hartree equation with effective collision frequencies when calculating the ionospheric absorption at high frequencies.

    Item Type: Article
    Journal or Publication Title: Journal of Geophysical Research
    Additional Information: Copyright (2008) American Geophysical Union. Further reproduction or electronic distribution is not permitted
    Uncontrolled Keywords: riometer ; eiscat DCS-publications-id ; art-893 ; DCS-publications-credits ; iono-fa ; iris ; DCS-publications-personnel-id ; 83 ; 5
    Subjects: UNSPECIFIED
    Departments: UNSPECIFIED
    ID Code: 9590
    Deposited By: Dr Steve Marple
    Deposited On: 16 Jun 2008 14:30
    Refereed?: Yes
    Published?: Published
    Last Modified: 23 Jul 2014 14:53
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/9590

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