Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/10615
DC Field | Value | Language |
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dc.date.accessioned | 2017-10-09T11:03:25Z | en |
dc.date.available | 2017-10-09T11:03:25Z | en |
dc.date.issued | 2017-09-27 | en |
dc.identifier.uri | http://hdl.handle.net/2122/10615 | en |
dc.description.abstract | A recently proposed self-consistent approach to the analysis of thermospheric and ionospheric long-term trends has been applied to Rome ionosonde summer noontime observations for the (1957–2015) period. This approach includes: (i) a method to extract ionospheric parameter long-term variations; (ii) a method to retrieve from observed foF1 neutral composition (O, O2, N2), exospheric temperature, Tex and the total solar EUV flux with λ<1050 Å; and (iii) a combined analysis of the ionospheric and thermospheric parameter long-term variations using the theory of ionospheric F-layer formation. Atomic oxygen, [O] and [O]/[N2] ratio control foF1 and foF2 while neutral temperature, Tex controls hmF2 long-term variations. Noontime foF2 and foF1 long-term variations demonstrate a negative linear trend estimated over the (1962–2010) period which is mainly due to atomic oxygen decrease after ∼1990. A linear trend in (δhmF2)11y estimated over the (1962–2010) period is very small and insignificant reflecting the absence of any significant trend in neutral temperature. The retrieved neutral gas density, ρ atomic oxygen, [O] and exospheric temperature, Tex long-term variations are controlled by solar and geomagnetic activity, i.e. they have a natural origin. The residual trends estimated over the period of ∼5 solar cycles (1957–2015) are very small (<0.5% per decade) and statistically. | en |
dc.language.iso | English | en |
dc.relation.ispartof | Journal of Space Weather and Space Climate | en |
dc.relation.ispartofseries | /7(2017) | en |
dc.rights | CC0 1.0 Universal | en |
dc.rights.uri | http://creativecommons.org/publicdomain/zero/1.0/ | en |
dc.subject | long-term trend | en |
dc.subject | ionosphere | en |
dc.subject | thermosphere | en |
dc.title | Long-term variations of the upper atmosphere parameters on Rome ionosonde observations and their interpretation | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | A21 | en |
dc.subject.INGV | 01.02. Ionosphere | en |
dc.identifier.doi | 10.1051/swsc/2017021 | en |
dc.description.obiettivoSpecifico | 2A. Fisica dell'alta atmosfera | en |
dc.description.journalType | JCR Journal | en |
dc.contributor.author | Perrone, Loredana | en |
dc.contributor.author | Mikhailov, A. | en |
dc.contributor.author | Cesaroni, Claudio | en |
dc.contributor.author | Alfonsi, Lucilla | en |
dc.contributor.author | De Santis, Angelo | en |
dc.contributor.author | Pezzopane, Michael | en |
dc.contributor.author | Scotto, Carlo | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | en |
dc.contributor.department | Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN) | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.dept | Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN), Troitsk, Moscow Region 142190, Russia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.orcid | 0000-0003-4335-0345 | - |
crisitem.author.orcid | 0000-0003-2268-4389 | - |
crisitem.author.orcid | 0000-0002-1806-9327 | - |
crisitem.author.orcid | 0000-0002-3941-656X | - |
crisitem.author.orcid | 0000-0001-5800-2322 | - |
crisitem.author.orcid | 0000-0002-9437-6775 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 01. Atmosphere | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
Appears in Collections: | Article published / in press |
Files in This Item:
File | Description | Size | Format | |
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2017_JournalSpaceWeatherSpaceClimate_long_term_trend.pdf | full paper | 1.06 MB | Adobe PDF | View/Open |
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