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Could we find any signal of the stratosphere-ionosphere coupling in Antarctica?

TitoloCould we find any signal of the stratosphere-ionosphere coupling in Antarctica?
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2002
AutoriPietrella, M., Kazimirovsky E.S., De Franceschi G., Grigioni P., and Scotto C.
RivistaAnnals of Geophysics
Volume45
Paginazione145-154
ISSN03652556
Parole chiaveatmosphere, coupling, ionosphere
Abstract

An investigation searching for a possible coupling between the lower ionosphere and the middle atmosphere in Antarctica is here performed on the basis of stratospheric vertical temperature profiles and ionospheric absorption data observed at the Antarctic Italian Base of Terra Nova Bay (74.69°S, 164.12°E) during local summer time. The result obtained by applying a multi-regression analysis and a Superimposed Epoch Analysis (SEA) shows a statistically significant ionosphere-stratosphere interaction. In particular, by selecting stratospheric temperature maxima occuring at different heights as the referring epoch (≪zero day≫) for the SEA approach, the ionospheric absorption is found to show a positive and/or negative trend (several days) around it. The tendency for an increasing/decreasing absorption is obtained for temperature maxima occuring below/above the stratospheric level of about 17-19 km, respectively.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0036057780&partnerID=40&md5=0508525a40fc92d3a85aa7bf6a74034a
Citation KeyPietrella2002145