Visualitzant Observatori de l'Ebre per autor/a "Universitat Ramon Llull. Observatori de l’Ebre"

Ara mostrant els elements 1-15 de 15

    • A new approach to the hourly mean computation problem when dealing with missing data 

      Marsal Vinadé, Santiago; Curto, J. J. (Earth Planet Sp (2009) 61: 945, 2009-10-19)
      Geomagnetic observatory records are unavoidably affected by primary data interruptions which, in turn, may have possible effects on the accuracy of the definitive data derived from them. One of the ...

    • An example of operation for a partly manned Antarctic geomagnetic observatory and the development of a radio link for data transmission 

      Torta Margalef, Joan Miquel; Marsal Vinadé, Santiago; Riddick, John C.; Vilella Parra, Carles; Altadill Felip, David; Blanch Llosa, Estefania; Cid, Oscar; Curto, Joan J.; De Santis, Angelo; Gaya-Piqué, Luis R.; Mauricio Ferré, Juan; Pijoan Vidal, Joan Lluís; Solé, Germán J.; Ugalde, Arantza (Annals of Geophysics, 2009. Vol. 52, 1 (Febrer), 2009-02)
      The experience acquired from more than ten years of operation of an Antarctic geomagnetic observatory is described along with the development of data transmission facilities. The observatory was deployed ...

    • Behaviour of the quiet day geomagnetic variation at Livingston Island and variability of the Sq focus position in the South American-Antarctic Peninsula region 

      Torta, J.M.; Marsal Vinadé, Santiago; Curto, J.J.; Gaya-Piqué, L.R (2009-08-24)
      The characteristics of the regular daily variation at the relatively new geomagnetic observatory of Livingston Island have been studied. They include the seasonal and solar cycle variabilities. Studies ...

    • Cent anys de suport a la recerca científica 

      Genescà Sitjes, Maria (2015-05-21)
      Breu presentació del que ha estat l’experiència de suport a la recerca Geofísica a l'Observatori de l'Ebre, institució amb 110 anys d’història i allunyada de la gran ciutat. La funció desenvolupada per ...

    • Conductivities consistent with Birkeland currents in the AMPERE-driven TIE-GCM 

      Marsal Vinadé, Santiago (Marsal,S.(2015),Conductivities consistent with Birkeland currents in the AMPERE-driven TIE-GCM, J. Geophys. Res. Space Physics, 120, 8045–8065, doi:10.1002/ 2015JA021385., 2015-09-26)
      The Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE) satellite mission has offered for the first time global snapshots of the geomagnetic field-aligned currents with ...

    • Fons Monturiol a la Biblioteca de l'Observatori de l'Ebre: anàlisi grafològica de les anotacions i estudi de l'estat de conservació 

      Genescà Sitjes, Maria; Clemente Martínez, Carme; Mauri, Maria; Burgos, Zoraida (2016-10-28)
      L’any 2009, aprofitant els actes de la celebració del 150è aniversari de l’avarament de l’Ictíneu, es va donar a conèixer la troballa dels llibres propietat de Narcís Monturiol amb una exposició. El ...

    • Geomagnetism at Ebro: Present and Future 

      Curto, J.J.; Torta, J.M.; Cardús, J.O.; Sanclement, E.; Alberca, J.F.; Marsal Vinadé, Santiago; Blanch Llosa, Estefania; Gaya-Piqué, Ll. (International Workshop “Challenges for Geomagnetism, Aeronomy and Seismology in the XXI Century". Roquetes (Baix Ebre), 29 Septiembre-1 Octubre 2004], 2004-10-01)
      Activities of research and services are performed at the magnetic section of Ebro Observatory. Most of the scientific projects are related to Solar_terrestrial Physics. Latest projects focused on Antarctic ...

    • Midlatitude F region peak height changes in response to interplanetary magnetic field conditions and modeling results 

      Blanch Llosa, Estefania; Altadill, David (Blanch, E., and D. Altadill (2012), Midlatitude F region peak height changes in response to interplanetary magnetic field conditions and modeling results, J. Geophys. Res., 117, A12311, doi:10.1029/2012JA018009., 2012-12-13)
      The response of the electron density peak height of the F2 region, hmF2, to geomagnetic storms has been investigated and a characteristic behavior of the peak height disturbance in relation to local-time, ...

    • Narrowband and Wideband Channel Sounding of an Antarctica to Spain Ionospheric Radio Link 

      Hervás García, Marcos; Alsina Pagès, Rosa Maria; Orga Vidal, Ferran; Altadill Felip, David; Pijoan Vidal, Joan Lluís; Badia Folguera, David (Remote Sensing. 2015, Vol.7, 2015-09)
      La Salle and Ebro Observatory have been involved in remote sensing projects in Antarctica for the last 11 years (approximately one solar cycle). The Ebro Observatory has been monitoring and analyzing ...

    • Physical Layer Definition for a Long-Haul HF Antarctica to Spain Radio Link 

      Alsina Pagès, Rosa Maria; Hervás García, Marcos; Orga Vidal, Ferran; Pijoan Vidal, Joan Lluís; Badia Folguera, David; Altadill Felip, David (Remote Sensing. 2016. Vol.8 No.5 (Maig), 2016-05)
      La Salle and the Observatori de l’Ebre (OE) have been involved in a remote sensing project in Antarctica for the last 11 years. The OE has been monitoring the geomagnetic activity for more than twenty ...

    • Remote Geophysical Observatory in Antarctica with HF data transmission: a Review 

      Pijoan Vidal, Joan Lluís; Altadill Felip, David; Torta Margalef, Joan Miquel; Alsina Pagès, Rosa Maria; Marsal Vinadé, Santiago; Badia Folguera, David (Remote Sensing. 2014, Vol.6 (Juliol), 2014-07)
      The geophysical observatory in the Antarctic Spanish Station Juan Carlos I (ASJI) in Livingston Island has been monitoring the magnetic field in the Antarctic region for more than fifteen years. In 2004, ...

    • Remote Sensor Data Transmission from Antarctica to Spain with a Long-Haul HF Ionospheric Link 

      Alsina Pagès, Rosa Maria; Badia Folguera, David; Bergadà Caramés, Pau; Hervás García, Marcos; Orga Vidal, Ferran; Pijoan Vidal, Joan Lluís; Regué, Joan Ramon; Salvador Marín, Martí; Altadill Felip, David (2015)
      The geophysical observatory in the Antarctic Spanish Station Juan Carlos I (BAE), on Livingston Island (62.6S, 60.4W), has been monitoring the magnetic field in the Antarctic region for more than fifteen ...

    • SSC detection using wavelet analysis 

      Curto, J.J.; Blanch Llosa, Estefania (International Workshop “Challenges for Geomagnetism, Aeronomy and Seismology in the XXI Century". Roquetes (Baix Ebre), 29 Septiembre-1 Octubre 2004, 2004-10-01)
      For Sudden Storm Commencements, several methods aiming automatic detection of the events have been proposed. Most of them are based in the analysis of digital geomagnetic field data using some morphological ...

    • Vertical and oblique ionospheric soundings over a very long multihop HF radio link from polar to midlatitudes: Results and relationships 

      Vilella Parra, Carles; Miralles Esteban, David; Altadill Felip, David; Acosta Pérez, Francisco; Solé, J.G.; Torta Margalef, Joan Miquel (Radio Science, 2009. Vol. 44, Rs2014, 2009-04)
      A vertical incidence sounder (VIS) was installed at the Spanish Antarctic Base (62.7°S, 299.6°E) during the Antarctic summer survey 2004–2005. In addition, an oblique sounding (OS) system for HF ...

    • Vertical and Oblique ionospheric soundings over the long haul HF link between Antarctica and Spain 

      Ads, Ahmed Gamal; Bergadà Caramés, Pau; Regué, Joan Ramon; Alsina Pagès, Rosa Maria; Pijoan Vidal, Joan Lluís; Altadill Felip, David; Badia Folguera, David; Graells Castellà, Simó (Radio Science. 2015, Vol. 50, No.9 (Setembre), 2015-09)
      This paper presents a comparative study between the oblique sounding results, theInternational Telecommunication Union Rec533 HF prediction model, and the vertical sounding results of atransequatorial ...