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dc.contributor.authorJarmolowski, Wojciech
dc.contributor.authorBelehaki, Anna
dc.contributor.authorHernández Pajares, Manuel
dc.contributor.authorSchmidt, Michael
dc.contributor.authorGoss, Andreas
dc.contributor.authorWielgosz, Pawel
dc.contributor.authorYang, Heng
dc.contributor.authorKrypiak-Gregorczyk, Anna
dc.contributor.authorTsagouri, Ioanna
dc.contributor.authorPaouris, Evangelos
dc.contributor.authorMonte Moreno, Enrique
dc.contributor.authorGarcía Rigo, Alberto
dc.contributor.authorMilanowska, Beata
dc.contributor.authorErdogan, Eren
dc.contributor.authorGraffigna, Victoria
dc.contributor.authorHaagmans, Roger
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Matemàtiques
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.date.accessioned2022-03-01T10:02:11Z
dc.date.available2022-03-01T10:02:11Z
dc.date.issued2021-12-08
dc.identifier.citationJarmolowski, W. [et al.]. Combining Swarm Langmuir probe observations, LEO-POD-based and ground-based GNSS receivers and ionosondes for prompt detection of ionospheric earthquake and tsunami signatures: Case study of 2015 Chile-Illapel event. "Journal of Space Weather and Space Climate", 8 Desembre 2021, vol. 11, núm. 58, p. 1-28.
dc.identifier.issn2115-7251
dc.identifier.urihttp://hdl.handle.net/2117/363193
dc.description.abstractThe study investigates ionospheric electric field responses to the earthquake (EQ) of magnitude 8.3, and the related seismic activity and tsunami triggered by the mainshock in Chile-Illapel region, at 22:54 UTC, in the evening of September 16, 2015. The work is a wider review of available ground and satellite data and techniques available to detect seismically induced traveling ionospheric disturbances (TID) and irregularities of smaller scale. The data used in the experiment includes several types of ground and satellite observations from low-Earth orbit (LEO) satellites. The number of techniques applied here is also extended and includes spectral analysis of LEO along-track data and composed analysis of ground GNSS data. The timeframe of the analyses is focused on September 16 and 17, 2015 but also extended to several adjacent days, where an enhanced seismic activity has been recorded. Several examples of seismically triggered TIDs are shown, as detected by combined observations from more than one source and applying different methods, including spectral analysis. These disturbances occur before the mainshock, just after, or in time following this large EQ, and can be found in close neighborhood of Chile-Illapel or far away from the epicenter. The objective of the work was to demonstrate an increasing number of available data and techniques, which can be limited when applied alone, but their combination can provide many advantages in the analysis of seismically disturbed ionosphere. The combination of LEO satellite data reaching all regions of the globe with local but dense ground-based GNSS data and ionospheric HF sounders looks promising, especially in view of the nearby availability of CubeSat constellations equipped with instruments for ionosphere sounding. An important conclusion coming from the study is a need for spectral analysis techniques in the processing of LEO along-track data and the requirement of the validation of LEO observations with separate LEO data or ground-based data. A general but key finding refers to the complementarities of different observations of the ionospheric electric field, which is critically important in the case of analyzing ionospheric irregularities in the extended and composed ionosphere, especially if not every sounding direction can successfully find it.
dc.format.extent28 p.
dc.language.isoeng
dc.rightsAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectÀrees temàtiques de la UPC::Matemàtiques i estadística::Matemàtica aplicada a les ciències
dc.subjectÀrees temàtiques de la UPC::Matemàtiques i estadística::Anàlisi numèrica
dc.subject.lcshGeophysics
dc.subject.lcshNumerical analysis--Simulation methods
dc.subject.otherTraveling Ionospheric Disturbances
dc.subject.otherEarthquake
dc.subject.otherTsunami
dc.subject.otherIonosphere
dc.subject.otherSwarm
dc.subject.otherLEO satellites
dc.titleCombining Swarm Langmuir probe observations, LEO-POD-based and ground-based GNSS receivers and ionosondes for prompt detection of ionospheric earthquake and tsunami signatures: Case study of 2015 Chile-Illapel event
dc.typeArticle
dc.subject.lemacGeofísica
dc.subject.lemacAnàlisi numèrica
dc.contributor.groupUniversitat Politècnica de Catalunya. IonSAT - Grup de determinació Ionosfèrica i navegació per SAtèl·lit i sistemes Terrestres
dc.contributor.groupUniversitat Politècnica de Catalunya. VEU - Grup de Tractament de la Parla
dc.identifier.doi10.1051/swsc/2021042
dc.description.peerreviewedPeer Reviewed
dc.subject.amsClassificació AMS::86 Geophysics
dc.subject.amsClassificació AMS::65 Numerical analysis::65C Probabilistic methods, simulation and stochastic differential equations
dc.relation.publisherversionhttps://www.swsc-journal.org/articles/swsc/full_html/2021/01/swsc210019/swsc210019.html
dc.rights.accessOpen Access
local.identifier.drac32568780
dc.description.versionPostprint (published version)
local.citation.authorJarmolowski, W.; Belehaki, A.; Hernandez, M.; Schmidt, M.; Goss, A.; Wielgosz, P.; Yang, H.; Krypiak-Gregorczyk, A.; Tsagouri, I.; Paouris, E.; Monte, E.; Garcia-Rigo, A.; Milanowska, B.; Erdogan, E.; Graffigna, V.; Haagmans, R.
local.citation.publicationNameJournal of Space Weather and Space Climate
local.citation.volume11
local.citation.number58
local.citation.startingPage1
local.citation.endingPage28


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