Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements
Abstract Measurements of the electron density at the F region peak by the Canadian Advanced Digital Ionosonde (CADI) and the Resolute Incoherent Scatter Radar (RISR) are used to assess the quality of peak electron density estimates made from elevation angle measurements by the Super Dual Auroral Rad...
Published in: | Earth, Planets and Space |
---|---|
Main Authors: | , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
SpringerOpen
2020
|
Subjects: | |
Online Access: | https://doi.org/10.1186/s40623-020-01170-w https://doaj.org/article/e3e4af172750418795d599d527f83dce |
id |
ftdoajarticles:oai:doaj.org/article:e3e4af172750418795d599d527f83dce |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:e3e4af172750418795d599d527f83dce 2023-05-15T18:04:29+02:00 Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements Alexander V. Koustov Sydney Ullrich Pavlo V. Ponomarenko Robert G. Gillies David R. Themens Nozomu Nishitani 2020-03-01T00:00:00Z https://doi.org/10.1186/s40623-020-01170-w https://doaj.org/article/e3e4af172750418795d599d527f83dce EN eng SpringerOpen http://link.springer.com/article/10.1186/s40623-020-01170-w https://doaj.org/toc/1880-5981 doi:10.1186/s40623-020-01170-w 1880-5981 https://doaj.org/article/e3e4af172750418795d599d527f83dce Earth, Planets and Space, Vol 72, Iss 1, Pp 1-14 (2020) F region electron density SuperDARN radars Elevation angles CADI ionosonde RISR incoherent scatter radar Geography. Anthropology. Recreation G Geodesy QB275-343 Geology QE1-996.5 article 2020 ftdoajarticles https://doi.org/10.1186/s40623-020-01170-w 2022-12-31T01:14:56Z Abstract Measurements of the electron density at the F region peak by the Canadian Advanced Digital Ionosonde (CADI) and the Resolute Incoherent Scatter Radar (RISR) are used to assess the quality of peak electron density estimates made from elevation angle measurements by the Super Dual Auroral Radar Network (SuperDARN) high-frequency radar at Rankin Inlet (RKN). All three instruments monitor the ionosphere near Resolute Bay. The CADI-RKN joint dataset comprises measurements between 2008 and 2017 while RISR-RKN dataset covers about 60 daylong events in 2016. Reasonable agreement between the RKN estimates and measurements by CADI and RISR is shown. Two minor discrepancies are discussed: RKN radar daytime peak electron density overestimation by ~ 10% and underestimation by up to 30% in other time sectors. In winter nighttime and dawn, cases were identified in which the RKN radar significantly overestimates the peak electron density. This occurs when the phase in the RKN interferometer measurements is incorrectly shifted by $$ 2\uppi $$ 2 π , and this is most significant when electron densities are low. Statistical fitting to the joint data sets, split into four time sectors of a day, has been done and parameters of the fit have been determined. These allow slight adjustment of measured real-time RKN values to better reflect real peak electron densities in the ionosphere within its field of view. Article in Journal/Newspaper Rankin Inlet Resolute Bay Directory of Open Access Journals: DOAJ Articles Rankin Inlet ENVELOPE(-91.983,-91.983,62.734,62.734) Resolute Bay ENVELOPE(-94.842,-94.842,74.677,74.677) Earth, Planets and Space 72 1 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
F region electron density SuperDARN radars Elevation angles CADI ionosonde RISR incoherent scatter radar Geography. Anthropology. Recreation G Geodesy QB275-343 Geology QE1-996.5 |
spellingShingle |
F region electron density SuperDARN radars Elevation angles CADI ionosonde RISR incoherent scatter radar Geography. Anthropology. Recreation G Geodesy QB275-343 Geology QE1-996.5 Alexander V. Koustov Sydney Ullrich Pavlo V. Ponomarenko Robert G. Gillies David R. Themens Nozomu Nishitani Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements |
topic_facet |
F region electron density SuperDARN radars Elevation angles CADI ionosonde RISR incoherent scatter radar Geography. Anthropology. Recreation G Geodesy QB275-343 Geology QE1-996.5 |
description |
Abstract Measurements of the electron density at the F region peak by the Canadian Advanced Digital Ionosonde (CADI) and the Resolute Incoherent Scatter Radar (RISR) are used to assess the quality of peak electron density estimates made from elevation angle measurements by the Super Dual Auroral Radar Network (SuperDARN) high-frequency radar at Rankin Inlet (RKN). All three instruments monitor the ionosphere near Resolute Bay. The CADI-RKN joint dataset comprises measurements between 2008 and 2017 while RISR-RKN dataset covers about 60 daylong events in 2016. Reasonable agreement between the RKN estimates and measurements by CADI and RISR is shown. Two minor discrepancies are discussed: RKN radar daytime peak electron density overestimation by ~ 10% and underestimation by up to 30% in other time sectors. In winter nighttime and dawn, cases were identified in which the RKN radar significantly overestimates the peak electron density. This occurs when the phase in the RKN interferometer measurements is incorrectly shifted by $$ 2\uppi $$ 2 π , and this is most significant when electron densities are low. Statistical fitting to the joint data sets, split into four time sectors of a day, has been done and parameters of the fit have been determined. These allow slight adjustment of measured real-time RKN values to better reflect real peak electron densities in the ionosphere within its field of view. |
format |
Article in Journal/Newspaper |
author |
Alexander V. Koustov Sydney Ullrich Pavlo V. Ponomarenko Robert G. Gillies David R. Themens Nozomu Nishitani |
author_facet |
Alexander V. Koustov Sydney Ullrich Pavlo V. Ponomarenko Robert G. Gillies David R. Themens Nozomu Nishitani |
author_sort |
Alexander V. Koustov |
title |
Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements |
title_short |
Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements |
title_full |
Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements |
title_fullStr |
Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements |
title_full_unstemmed |
Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements |
title_sort |
comparison of superdarn peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements |
publisher |
SpringerOpen |
publishDate |
2020 |
url |
https://doi.org/10.1186/s40623-020-01170-w https://doaj.org/article/e3e4af172750418795d599d527f83dce |
long_lat |
ENVELOPE(-91.983,-91.983,62.734,62.734) ENVELOPE(-94.842,-94.842,74.677,74.677) |
geographic |
Rankin Inlet Resolute Bay |
geographic_facet |
Rankin Inlet Resolute Bay |
genre |
Rankin Inlet Resolute Bay |
genre_facet |
Rankin Inlet Resolute Bay |
op_source |
Earth, Planets and Space, Vol 72, Iss 1, Pp 1-14 (2020) |
op_relation |
http://link.springer.com/article/10.1186/s40623-020-01170-w https://doaj.org/toc/1880-5981 doi:10.1186/s40623-020-01170-w 1880-5981 https://doaj.org/article/e3e4af172750418795d599d527f83dce |
op_doi |
https://doi.org/10.1186/s40623-020-01170-w |
container_title |
Earth, Planets and Space |
container_volume |
72 |
container_issue |
1 |
_version_ |
1766175879200768000 |