An unusual spread-F-like event over Arecibo
dc.authorid | 0000-0003-2209-6966 | en_US |
dc.authorscopusid | 57015151600 | en_US |
dc.contributor.author | Bostan, Salih Mehmed | |
dc.contributor.author | Urbina J.V. | |
dc.contributor.author | Matthews J.D. | |
dc.contributor.author | Breakall J.K. | |
dc.contributor.author | DInsmore R.L. | |
dc.date.accessioned | 2022-04-01T11:48:33Z | |
dc.date.available | 2022-04-01T11:48:33Z | |
dc.date.issued | 2021 | en_US |
dc.department | BTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümü | en_US |
dc.description.abstract | We describe an apparent mid-latitude spread-F-like event identified with the Arecibo Observatory (AO) incoherent scatter radar (ISR) but also observed using a newly introduced software-defined HF radar and via analysis of Global Positioning System-Total Electron Content (GPS-TEC) data. We show that this event was in fact nonlocal and appeared, as seen in delta-vTEC Keogram results to be propagating from west-to-east and back to the west crossing over AO twice. We suggest that this event, while indistinguishable from similar long ISR-observed events, has strong non-local properties. The combination of observations, from multiple instruments of this unique event helps tie its development and progression. The Penn State Ionospheric Radar Imager (PIRI), essentially a single frequency ionosonde, was deployed near AO (18.36° N, 66.75° W, 46.5° dip-angle, and fo = 4.42 MHz), Puerto Rico. The apparent PIRI-observed range spread of the event exceeds 400 km-a likely indication of spread-F viewed with an ionosonde. We also compare PIRI results with ISR and GPS-TEC results. ISR range-time intensity plots show rather a calm ionosphere, with exception of a major upwelling, that seems to include kilometer-scale layered structures, in the F-region. In contrast, the HF radar observations reveal that the ionosphere is disturbed by Perkins-like large scale instability structures. The data set is exceptional, consisting of simultaneous fixed frequency, wide-beam high frequency (HF) radar observations, ISR power intensity maps, and delta-vTEC measurements. These joint data sets characterized the nighttime ionosphere F-region and offer new insights into the ionospheric processes leading to what is observed by the very narrow-beam ISR. | en_US |
dc.identifier.doi | 10.23919/URSIGASS51995.2021.9560326 | en_US |
dc.identifier.isbn | 978-946396802-7 | |
dc.identifier.scopusquality | N/A | en_US |
dc.identifier.uri | https://hdl.handle.net/20.500.12885/1832 | |
dc.indekslendigikaynak | Scopus | en_US |
dc.institutionauthor | Bostan, Salih Mehmed | |
dc.language.iso | en | en_US |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | en_US |
dc.relation.ispartof | 2021 34th General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2021 | en_US |
dc.relation.publicationcategory | Konferans Öğesi - Uluslararası - Kurum Öğretim Elemanı | en_US |
dc.rights | info:eu-repo/semantics/closedAccess | en_US |
dc.title | An unusual spread-F-like event over Arecibo | en_US |
dc.type | Conference Object | en_US |
Dosyalar
Lisans paketi
1 - 1 / 1
Küçük Resim Yok
- İsim:
- license.txt
- Boyut:
- 1.44 KB
- Biçim:
- Item-specific license agreed upon to submission
- Açıklama: