Zobrazeno 1 - 10 of 54 pro vyhledávání: '"G. Kervalishvili"'
1
Akademický článek
Lower-thermosphere–ionosphere (LTI) quantities: current status of measuring techniques and models
Autor: M. Palmroth, M. Grandin, T. Sarris, E. Doornbos, S. Tourgaidis, A. Aikio, S. Buchert, M. A. Clilverd, I. Dandouras, R. Heelis, A. Hoffmann, N. Ivchenko, G. Kervalishvili, D. J. Knudsen, A. Kotova, H.-L. Liu, D. M. Malaspina, G. March, A. Marchaudon, O. Marghitu, T. Matsuo, W. J. Miloch, T. Moretto-Jørgensen, D. Mpaloukidis, N. Olsen, K. Papadakis, R. Pfaff, P. Pirnaris, C. Siemes, C. Stolle, J. Suni, J. van den IJssel, P. T. Verronen, P. Visser, M. Yamauchi
Publikováno v: Annales Geophysicae, Vol 39, Pp 189-237 (2021)
The lower-thermosphere–ionosphere (LTI) system consists of the upper atmosphere and the lower part of the ionosphere and as such comprises a complex system coupled to both the atmosphere below and space above. The atmospheric part of the LTI is dom
Externí odkaz: https://doaj.org/article/cfe2c3bae6e04b5097c10b6750012a54
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2
Akademický článek
Daedalus: a low-flying spacecraft for in situ exploration of the lower thermosphere–ionosphere
Autor: T. E. Sarris, E. R. Talaat, M. Palmroth, I. Dandouras, E. Armandillo, G. Kervalishvili, S. Buchert, S. Tourgaidis, D. M. Malaspina, A. N. Jaynes, N. Paschalidis, J. Sample, J. Halekas, E. Doornbos, V. Lappas, T. Moretto Jørgensen, C. Stolle, M. Clilverd, Q. Wu, I. Sandberg, P. Pirnaris, A. Aikio
Publikováno v: Geoscientific Instrumentation, Methods and Data Systems, Vol 9, Pp 153-191 (2020)
The Daedalus mission has been proposed to the European Space Agency (ESA) in response to the call for ideas for the Earth Observation program's 10th Earth Explorer. It was selected in 2018 as one of three candidates for a phase-0 feasibility study. T
Externí odkaz: https://doaj.org/article/aee5b4facb734211b67c7e5ba2a696eb
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3
Akademický článek
Filamentary field-aligned currents at the polar cap region during northward interplanetary magnetic field derived with the Swarm constellation
Autor: H. Lühr, T. Huang, S. Wing, G. Kervalishvili, J. Rauberg, H. Korth
Publikováno v: Annales Geophysicae, Vol 34, Pp 901-915 (2016)
ESA's Swarm constellation mission makes it possible for the first time to determine field-aligned currents (FACs) in the ionosphere uniquely. In particular at high latitudes, the dual-satellite approach can reliably detect some FAC structures whic
Externí odkaz: https://doaj.org/article/7e6c971117954a55a589e5d816c4fd76
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4
Geomagnetic Activity Index Hpo
Autor: Y. Yamazaki, J. Matzka, C. Stolle, G. Kervalishvili, J. Rauberg, O. Bronkalla, A. Morschhauser, S. Bruinsma, Y. Y. Shprits, D. R. Jackson
Publikováno v: Geophysical Research Letters
The geomagnetic activity index Kp is widely used but is restricted by low time resolution (three-hourly) and an upper limit. To address this, new geomagnetic activity indices, Hpo, are introduced. Similar to Kp, Hpo expresses the level of planetary g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aff7aff8e013593710969742a85715d7
https://doi.org/10.1029/2022gl098860
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5
Swarm Utilisation Analysis: LEO satellite observations for the ESA’s SSA Space Weather network
Autor: G. Kervalishvili, Claudia Stolle, Jan Rauberg, N. Olsen, S. Vennerstrøm, M.G. Johnsen, C. Hall
Publikováno v: Geophysical Research Abstracts Vol. 19, EGU2017-5049
General Assembly European Geosciences Union#
ESA’s (European Space Agency) constellation mission Swarm was successfully launched on 22 November 2013. The three satellites achieved their final constellation on 17 April 2014 and since then Swarm-A and Swarm-C orbiting the Earth at about 470 km
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::043f72842859d4b01ad078b674a0378b
https://gfzpublic.gfz-potsdam.de/pubman/item/item_2905907
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7
Evolution of ionosphere-thermosphere (IT) parameters in the cusp region related to ion upflow events
Autor: G. Kervalishvili, H. Lühr
Publikováno v: Geophysical Research Abstracts Vol. 19, EGU2017-2808-1
General Assembly European Geosciences Union#
In this study we investigate the relationships of various IT parameters with the intensity of vertical ion flow. Our study area is the ionospheric cusp region in the northern hemisphere. The approach uses superposed epoch analysis (SEA) method, cente
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2c949abd1abfe9b959c4444eec99f35d
https://gfzpublic.gfz-potsdam.de/pubman/item/item_2898894
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10
Akademický článek
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