Comment on Blagoveshchenskaya et al. Artificial Ducts Created via High-Power HF Radio Waves at EISCAT. Remote Sens. 2023, 15, 2300

The claim that incoherent scatter radar data show electron density enhancements of 50–80% during some ionospheric heating experiments in a recent paper is questioned. The backscatter from the monostatic radar can indeed be enhanced during these experiments, but the conclusion that a large electron d...

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Bibliographic Details
Published in:Remote Sensing
Main Authors: Michael Rietveld, Andrew Senior
Format: Text
Language:English
Published: Multidisciplinary Digital Publishing Institute 2023
Subjects:
incoherent scatter radar
electron density
artificial field-aligned irregularities
duct
EISCAT
Online Access:https://doi.org/10.3390/rs15174294
Description
Summary:The claim that incoherent scatter radar data show electron density enhancements of 50–80% during some ionospheric heating experiments in a recent paper is questioned. The backscatter from the monostatic radar can indeed be enhanced during these experiments, but the conclusion that a large electron density increase is the cause is almost certainly wrong. Some natural plasma line data are presented in support of our claim. Previously published studies of similar events and a possible explanation for the observed increases in backscattered power are pointed out.

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