Predicted and observed characteristics of small-scale field-aligned irregularities generated in the F-region by low power HF heating

Simultaneous HF scattering from the different regions of the heated volume is used to investigate characteristics of the small-scale field-aligned irregularities in the F-region. Time of growth, decay rate and saturation level for different pump powers are deduced from the observations and are compa...

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Bibliographic Details
Main Authors: E. Kolesnikova, Terence Ronald Robinson, J. A. Davies
Format: Other Non-Article Part of Journal/Newspaper
Language:unknown
Published: 2002
Subjects:
Uncategorized
Science & Technology
Physical Sciences
Astronomy & Astrophysics
Geosciences
Multidisciplinary
Meteorology & Atmospheric Sciences
Geology
ionosphere
ionospheric irregularities
IONOSPHERIC MODIFICATION
CUTLASS
TROMSO
Tromso
Online Access:https://figshare.com/articles/journal_contribution/Predicted_and_observed_characteristics_of_small-scale_field-aligned_irregularities_generated_in_the_F-region_by_low_power_HF_heating/10149407
Description
Summary:Simultaneous HF scattering from the different regions of the heated volume is used to investigate characteristics of the small-scale field-aligned irregularities in the F-region. Time of growth, decay rate and saturation level for different pump powers are deduced from the observations and are compared with their behaviour predicted by the thermal parametric instability model. As a result, the estimates of the density and of the temperature modifications inside of the irregularities are obtained.

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