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6 results on '"Garceran, Katia"'

1. A dynamic upper atmosphere of Venus as revealed by VIRTIS on Venus Express

Author

Drossart, P., Piccioni, G., Gerard, J. C., Lopez-Valverde, M. A., Sanchez-Lavega, A., Zasova, L., Hueso, R., Taylor, F. W., Bezard, B., Adriani, A., Angrilli, F., Arnold, G., Baines, K. H., Bellucci, G., Benkhoff, J., Bibring, J. P., Blanco, A., Blecka, M. I., Carlson, R. W., Coradini, A., Di Lellis, A., Encrenaz, T., Erard, S., Fonti, S., Formisano, V., Fouchet, T., Garcia, R., Haus, R., Helbert, J., Ignatiev, N. I., Irwin, P., Langevin, Y., Lebonnois, S., Luz, D., Marinangeli, L., Orofino, V., Rodin, A. V., Roos-Serote, M. C., Saggin, B., Stam, D. M., Titov, D., Visconti, G., Zambelli, M., Tsang, C., Ammannito, Eleonora, Barbis, Alessandra, Berlin, Rainer, Bettanini, Carlo, Boccaccini, Angelo, Bonnello, Guillaume, Bouye, Marc, Capaccioni, Fabrizio, Cardesin, Alejandro, Carraro, Francesco, Cherubini, Giovanni, Cosi, Massimo, Dami, Michele, De Nino, Maurizio, Del Vento, Davide, Di Giampietro, Marco, Donati, Alessandro, Dupuis, Olivier, Espinasse, Sylvie, Fabbri, Anna, Fave, Agnes, Ficai Veltroni, Iacopo, Filacchione, Gianrico, Garceran, Katia, Ghomchi, Yamina, Giustizi, Maurizio, Gondet, Brigitte, Hello, Yann, Henry, Florence, Hofer, Stefan, Huntzinger, Gerard, Kachlicki, Juergen, Knoll, Rene, Kouach, Driss, Mazzoni, Alessandro, Melchiorri, Riccardo, Mondello, Giuseppe, Monti, Francesco, Neumann, Christian, Nuccilli, Fabrizio, Parisot, Jerome, Pasqui, Claudio, Perferi, Stefano, Peter, Gisbert, Piacentino, Alain, Pompei, Carlo, Reess, Jean-Michel, Rivet, Jean-Pierre, Romano, Antonio, Russ, Natalie, Santoni, Massimo, Scarpelli, Adelmo, Semery, Alain, Soufflot, Alain, Stefanovitch, Douchane, Suetta, Enrico, Tarchi, Fabio, Tonetti, Nazzareno, Tosi, Federico, and Ulmer, Bernd

Subjects
Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Author(s): P. Drossart (corresponding author) [1]; G. Piccioni [2]; J. C. Gérard [4]; M. A. Lopez-Valverde [5]; A. Sanchez-Lavega [6]; L. Zasova [7]; R. Hueso [6]; F. W. Taylor [8]; [...]

Published
2007
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2. South-polar features on Venus similar to those near the north pole

Author

Piccioni, G., Drossart, P., Sanchez-Lavega, A., Hueso, R., Taylor, F. W., Wilson, C. F., Grassi, D., Zasova, L., Moriconi, M., Adriani, A., Lebonnois, S., Coradini, A., Bezard, B., Angrilli, F., Arnold, G., Baines, K. H., Bellucci, G., Benkhoff, J., Bibring, J. P., Blanco, A., Blecka, M. I., Carlson, R. W., Di Lellis, A., Encrenaz, T., Erard, S., Fonti, S., Formisano, V., Fouchet, T., Garcia, R., Haus, R., Helbert, J., Ignatiev, N. I., Irwin, P. G. J., Langevin, Y., Lopez-Valverde, M. A., Luz, D., Marinangeli, L., Orofino, V., Rodin, A. V., Roos-Serote, M. C., Saggin, B., Stam, D. M., Titov, D., Visconti, G., Zambelli, M., Ammannito, Eleonora, Barbis, Alessandra, Berlin, Rainer, Bettanini, Carlo, Boccaccini, Angelo, Bonnello, Guillaume, Bouye, Marc, Capaccioni, Fabrizio, Cardesin Moinelo, Alejandro, Carraro, Francesco, Cherubini, Giovanni, Cosi, Massimo, Dami, Michele, De Nino, Maurizio, Del Vento, Davide, Di Giampietro, Marco, Donati, Alessandro, Dupuis, Olivier, Espinasse, Sylvie, Fabbri, Anna, Fave, Agnes, Veltroni, Iacopo Ficai, Filacchione, Gianrico, Garceran, Katia, Ghomchi, Yamina, Giustini, Maurizio, Gondet, Brigitte, Hello, Yann, Henry, Florence, Hofer, Stefan, Huntzinger, Gerard, Kachlicki, Juergen, Knoll, Rene, Driss, Kouach, Mazzoni, Alessandro, Melchiorri, Riccardo, Mondello, Giuseppe, Monti, Francesco, Neumann, Christian, Nuccilli, Fabrizio, Parisot, Jerome, Pasqui, Claudio, Perferi, Stefano, Peter, Gisbert, Piacentino, Alain, Pompei, Carlo, Reess, Jean-Michel, Rivet, Jean-Pierre, Romano, Antonio, Russ, Natalie, Santoni, Massimo, Scarpelli, Adelmo, Semery, Alain, Soufflot, Alain, Stefanovitch, Douchane, Suetta, Enrico, Tarchi, Fabio, Tonetti, Nazzareno, Tosi, Federico, and Ulmer, Bernd

Subjects
Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Author(s): G. Piccioni (corresponding author) [1]; P. Drossart [4]; A. Sanchez-Lavega [5]; R. Hueso [5]; F. W. Taylor [6]; C. F. Wilson [6]; D. Grassi [4]; L. Zasova [7]; M. [...]

Published
2007
Full Text
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4. South polar features on Venus similar to those near the north pole

Author

Piccioni, Giuseppe, Drossart, Pierre, Sanchez-Lavega, A., Hueso, R., Taylor, F. W., Wilson, C. F., Grassi, D., Zasova, L., Moriconi, M., Adriani, A., Lebonnois, Sébastien, Coradini, A., Bézard, B., Angrilli, F., Virtis Venus Express, T., Arnold, G., Baines, K. H., Bellucci, G., Benkhoff, J., Bibring, J. P., Blecka, M. I., Blanco, A., Carlson, R. W., Di Lellis, A., Encrenaz, T., Erard, S., Fonti, S., Formisano, V., Fouchet, T., Garcia, R., Haus, R., Helbert, J., Ignatiev, N. I., Irwin, P. G. J., Langevin, Y., Lopez-Valverde, M. A., Luz, D., Marinangeli, L., Rodin, A. V., Orofino, V., Roos-Serote, M. C., Saggin, B., Stam, D. M., Titov, D., Visconti, G., Zambelli, M., Ammannito, Eleonora, Barbis, Alessandra, Berlin, Rainer, Luiz, D., Bettanini, Carlo, Boccaccini, Angelo, Bonnello, Guillaume, Bouye, Marc, Capaccioni, Fabrizio, Cardesin Moinelo, Alejandro, Carraro, Francesco, Cherubini, Giovanni, Cosi, Massimo, Dami, Michele, De Nino, Maurizio, Del Vento, Davide, Di Giampietro, Marco, Donati, Alessandro, Dupuis, Olivier, Espinasse, Sylvie, Fabbri, Anna, Veltroni, Iacopo Ficai, Fave, Agnes, Filacchione, Gianrico, Garceran, Katia, Ghomchi, Yamina, Giustini, Maurizio, Gondet, Brigitte, Hello, Yann, Henry, Florence, Hofer, Stefan, Huntzinger, Gerard, Kachlicki, Juergen, Knoll, René, Driss, Kouach, Mazzoni, Alessandro, Melchiorri, Riccardo, Mondello, Giuseppe, Monti, Francesco, Neumann, Christian, Nuccilli, Fabrizio, Parisot, Jerome, Pompei, Carlo, Pasqui, Claudio, Reess, Jean-Michel, Perferi, Stefano, Rivet, Jean-Pierre, Peter, Gisbert, Romano, Antonio, Piacentino, Alain, Russ, Natalie, Santoni, Massimo, Scarpelli, Adelmo, Semery, Alain, Soufflot, Alain, Stefanovitch, Douchane, Suetta, Enrico, Tarchi, Fabio, Tonetti, Nazzareno, Tosi, Federico, Be' Zard, B., Ulmer, Bernd, and A.-L., Et

Subjects
Physics::Atmospheric and Oceanic Physics, Astrophysics::Galaxy Astrophysics
Abstract

Venus has no seasons, slow rotation and a very massive atmosphere, which is mainly carbon dioxide with clouds primarily of sulphuric acid droplets. Infrared observations by previous missions to Venus revealed a bright 'dipole' feature surrounded by a cold 'collar' at its north pole (1–4). The polar dipole is a 'double-eye' feature at the centre of a vast vortex that rotates around the pole, and is possibly associated with rapid downwelling. The polar cold collar is a wide, shallow river of cold air that circulates around the polar vortex. One outstanding question has been whether the global circulation was symmetric, such that a dipole feature existed at the south pole. Here we report observations of Venus' south-polar region, where we have seen clouds with morphology much like those around the north pole, but rotating somewhat faster than the northern dipole. The vortex may extend down to the lower cloud layers that lie at about 50km height and perhaps deeper. The spectroscopic properties of the clouds around the south pole are compatible with a sulphuric acid composition.

Published
2007

6. Adaptive attenuation of surface-wave noise.

Author

Benjamin, Nigel, Twigger, Luke, Garceran, Katia, Delmas, Laurie, Poulain, Guillaume, and Le Meur, David

Subjects
*SURFACE waves (Fluids), *SURVEYING (Engineering), *GEOPHYSICAL surveying services, *SEISMIC wave velocity
Abstract

The article focuses on a novel method which deals with the issue of surface waves that affect land seismic data especially in the Middle East and North Africa. It highlights the development of a flexible approach for adaptive ground roll attenuation (AGORA) that attenuates surface waves and adapts to changing noise characteristics. It also notes that effective noise attenuation enables the use of wider angles leading to more accurate velocity analysis and more focused stacks.

Published
2010

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