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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/3496
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dc.contributor.authorallAlfonsi, Lu.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallDe Franceschi, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallPerrone, L.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.date.accessioned2007-12-19T15:15:43Zen
dc.date.available2007-12-19T15:15:43Zen
dc.date.issued2001en
dc.identifier.urihttp://hdl.handle.net/2122/3496en
dc.description.abstractThe long-term variability of the critical frequency of the F2 ionospheric layer, f0F2, has been investigated as a possible indicator of the increasing greenhouse effect. The prehmmary results obtained by analysing 34 years of data from high latitude ionospheric stations in the Southern Hemisphere have shown a decreasing of the plasma frequency according to what predicted by theoretical model calculations.en
dc.language.isoEnglishen
dc.publisher.namePergamonen
dc.relation.ispartofLong term trend in the high latitude ionosphereen
dc.relation.ispartofseries5/26 (2001)en
dc.subjectlong term trendsen
dc.titleLong term trend in the high latitude ionosphereen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber303-307en
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.04. Plasma Physicsen
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.05. Wave propagationen
dc.subject.INGV05. General::05.07. Space and Planetary sciences::05.07.01. Solar-terrestrial interactionen
dc.relation.referencesBremer J., Ionospheric trends m mid-latitudes as a possible indicator of the atmospheric greenhouse effect, J. Atmos. Terr. Phys., 54, 1505- 1511 (1992). Bremer J., Trends in the ionospheric E and F regions over Europe, Ann. Geophysicae 16, 986-996 (1998) Houghton J T ,G Melra Fdho, B. A. Callander, N Hams, A Kattenberg, and K. Maskell, Chmate Change 1995, Contribution of WGl to the H Assesment Report of the lntergovernmental Panel on Chmate Change, Cambridge Umverslty Press, Cambridge, UK (1996) IRI, International reference ionosphere 1990, ed. by D Bdltza, NSSDC 90- 22, Greenbelt, MA, USA 307 ITU-R, HF propagation prediction method, Recommendation ITU-R P. 313, International Telecommunication Union, Geneva, (1995). Jarvts M. J., B. Jenkms, and G. A. Rodgers, Southern hemisphere observations of long term decrease in F region altitude and thermospheric wind providing possible evidence for global thermospheric cooling, Jr. Geophys Res. 103, 29774-29787 (1998). Makaro~a L N, A V Shtrochkov, The magnetopause positron as an indicator of the ~ontzatlon level m the dayside high laUtude :onosphere, Radto Sctence 33, 1877-1884 (1998) Ma~,aud. P N , Derivation, meaning and use of geomagneuc radices, Geoph) stcal Monograph 22, A GU Washington. DC, 1980 R~shbeth H, A greenhouse effect m the ionosphere ?, Planet Space Sci. 38,945-948 (1990). Rlshbeth H, and R G. Roble, Cooling of the upeer atmosphere by enhanced greenhouse gases- Modelling of the thermospheric and ionospheric effects, Planet. Space Sci. 40, 1011-1026 (1992). Taubenhelm J., Statistische Auswertung geophysikalischer und meteorologlscher Daten, Akad Verlagsgesell. Geest & Portig K -G. Letpzig (1969). Uhch Yh, E Turunen, Evidence for long term coohng of the upper atmosphere, Geophys. Res Lett., 24, 1103-1106 (1997) Wrenn G L, Time-Wlghted Accumulations ap(r) and Kp(T), Journal of Geopt(~stcal Research. 92,125-129 (1987)en
dc.description.obiettivoSpecifico3.9. Fisica della magnetosfera, ionosfera e meteorologia spazialeen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorAlfonsi, Lu.en
dc.contributor.authorDe Franceschi, G.en
dc.contributor.authorPerrone, L.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.orcid0000-0002-1806-9327-
crisitem.author.orcid0000-0002-3943-6798-
crisitem.author.orcid0000-0003-4335-0345-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent05. General-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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