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Author |
Schott J.J. |
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Title |
Progresses and challenges in magnetic observatory operation |
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Conference - International - Communication |
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2007 |
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Communication présentée à XXIV Assembly of IUGG, Pérouges, 2-13 juillet 2007. |
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905 |
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yes |
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4616 |
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Hamoudi M., Lesur V.,Chambodut A.,Thébault E., Quesnel Y. and Mandea M. |
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Title |
Spectral Analysis of the Global Lithospheric Magnetic Anomaly Field derived from Airborne, shipborne, and satellite Data |
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Conference - International - Poster |
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2007 |
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Communication présentée à XXIV Assembly of IUGG, Pérouges, 2-13 juillet 2007. |
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905 |
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yes |
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4618 |
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Author |
Minchev B., Chambodut A., Holschneider M. and Mandea M. |
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Title |
Global magnetic field modelling using local multipolar expansions |
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Conference - International - Poster |
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2007 |
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Abstract |
EGU, April 2007, Vienne (AT). |
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905 |
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4619 |
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Cafarella L., Di Mauro D., Lepidi S., Meloni A., Pietrolungo M., Santarelli L. & Schott J.J. |
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Title |
Daily variation at Concordia station (Antarctica) and its dependence on IMF conditions |
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Journal Article |
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Year |
2007 |
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Annali di Geofisica – Ann Geofisc |
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25 |
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905 |
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Bachelor's thesis |
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1590-1815 |
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yes |
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4620 |
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Yagova, N.V.; Pilipenko, V.A.; Lanzerotti, L.J.; Engebretson, M.J.; Rodger, A.S.; Lepidi, S.; Papitashvili, V.O. |
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Title |
Two-dimensional structure of long-period pulsations at polar latitudes in Antarctica |
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Journal Article |
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Year |
2004 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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109 |
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Keywords |
2776 Magnetospheric Physics: Polar cap phenomena; 2752 Magnetospheric Physics: MHD waves and instabilities; 2744 Magnetospheric Physics: Magnetotail; 2724 Magnetospheric Physics: Magnetopause, cusp, and boundary layers |
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Abstract |
Two-dimensional (2-D) statistical distributions of spectral power and coherence of polar geomagnetic variations with quasi-periods about 10 min are analyzed using data from magnetometer arrays in Antarctica. Examination of the 2-D patterns of spectral power and coherence shows the occurrence of significant variations in geomagnetic power levels but with low spatial coherence near the cusp projection and in the auroral region. At the same time, low-amplitude pulsations, which we coin Pi cap
3 pulsations, are very coherent throughout the polar cap. The region occupied by coherent Pi cap
3 pulsations is shifted toward local MLT night from the geomagnetic pole and is decoupled from the regions of auroral and cusp ULF activity. The spectral power varies with time at polar latitudes in a manner different from that at auroral latitudes. Diurnal variations of power at different stations at the same geomagnetic latitude exhibit different behavior depending on the station's position relative to geomagnetic and geographic poles. This asymmetry is shown to be partly attributed to the variations of the ionospheric conductance. The primary source of polar pulsations is probably related to intermittent magnetosheath turbulence and tail lobe oscillations, though a particular propagation mechanism has not as yet been identified. |
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905 |
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American Geophysical Union |
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0148-0227 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5539 |
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Author |
Chambodut A., Hamoudi M., Thebault E. & Lesur V. |
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Title |
Spectral analysis of the World Digital Magnetic Anomaly Map |
Type |
Conference - International - Poster |
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Year |
2008 |
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Abstract |
EGU,
April 2008, Vienna, Austria. |
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905 |
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yes |
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4954 |
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Author |
Di Mauro D., Chambodut A., Schott J.-J., Cafarella L., Bordais P., Agnoletto P. & Di Felice P. |
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Title |
Looking at the Earth's magnetic field dataset from Concordia base (Dome C/Antarctica). |
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Conference - International - Communication |
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Year |
2008 |
Publication |
XIIIth IAGA workshop |
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Abstract |
XIIIth IAGA workshop, Boulder, USA. |
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905 |
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4955 |
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Chambodut A., Schott J.-J. & Di Mauro D. |
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Title |
More than three years of continuous record of the earth's magnetic field at Concordia Station (Dome C/Antarctica) |
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Conference - International - Communication |
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2008 |
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SCAR/IASC IPY Open Science Conference, July 8th – 11th 2008, St. Petersburg, Russia. |
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905 |
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yes |
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Serial |
4958 |
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Author |
Di Mauro D., Chambodut A., Schott J.-J., Cafarella L., Bordais P., Agnoletto P. & Di Felice P. |
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Title |
Looking at the Earth's magnetic field dataset from Concordia base (DomeC / Antarctica) |
Type |
Conference - International - Poster |
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2008 |
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SCAR/IASC IPY Open Science Conference |
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SCAR/IASC IPY Open Science Conference, July 8th – 11th 2008, St. Petersburg, Russia. |
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905 |
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yes |
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4959 |
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Schott, J.J.; Di Mauro, D.; Pérès, A.; Cafarella, L.; Magno, L.; Zirizzotti, A.; Meloni, A. |
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Title |
Towards the Opening of a Magnetic Observatory at Dome C (Antarctica) |
Type |
Conference - International - Article with Reading Comitee |
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2004 |
Publication |
11th IAGA Workshop on Geomagnetic Observatory Instruments, Data Acquisition and Processing |
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Antarctica; Magnetic observatory; Dome C |
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The opening of a new magnetic observatory is one of the activities aimed at by the creation of a scientific base at DomeC, Antarctica (lat. 75° 06’S, long. 123° 21’E, elev. 3200m). There are many reasons supporting this objective: all Antarctic magnetic observatories providing absolute values are located along the shore and are therefore subject to coast effects and crustal field contamination. DomeC and Vostok will be so far the sole observatories free from these effects. On one hand, high latitude absolute observatories are very useful to global or regional modeling based upon satellite data, because, at high latitudes, only total field measurements can be used due to the strong influence of field aligned currents. On the other hand, the availability of magnetic data from the well distributed observatories of Terra Nova Bay (TNB), Scott Base (SBA), Dumont d’Urville (DRV), Casey (CSY) and Vostok (VOS) will provide strong support to auroral and polar cap ionosphere studies as well as asymmetry analyses between Northern and Southern hemispheres. This paper summarizes the results gathered during three summer campaigns, in 1999-2000, 2001 and 2003-2004. |
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Yumoto, K. |
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IPEV @ Thierry.Lemaire @ |
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5521 |
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