Search Results - "Vanhellemont, F."

Global ozone monitoring by occultation of stars: an overview of GOMOS measurements on ENVISAT by Bertaux, J. L., Kyrölä, E., Fussen, D., Hauchecorne, A., Dalaudier, F., Sofieva, V., Tamminen, J., Vanhellemont, F., Fanton d'Andon, O., Barrot, G., Mangin, A., Blanot, L., Lebrun, J. C., Pérot, K., Fehr, T., Saavedra, L., Leppelmeier, G. W., Fraisse, R.

“…GOMOS on ENVISAT (launched in February, 2002) is the first space instrument dedicated to the study of the atmosphere of the Earth by the technique of stellar…”
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Retrieval of atmospheric parameters from GOMOS data by Kyrölä, E., Tamminen, J., Sofieva, V., Bertaux, J. L., Hauchecorne, A., Dalaudier, F., Fussen, D., Vanhellemont, F., Fanton d'Andon, O., Barrot, G., Guirlet, M., Mangin, A., Blanot, L., Fehr, T., Saavedra de Miguel, L., Fraisse, R.

“…The Global Ozone Monitoring by Occultation of Stars (GOMOS) instrument on board the European Space Agency's ENVISAT satellite measures attenuation of stellar…”
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GOMOS O3, NO2, and NO3 observations in 2002-2008 by Kyrölä, E, Tamminen, J, Sofieva, V, Bertaux, J L, Hauchecorne, A, Dalaudier, F, Fussen, D, Vanhellemont, F, d'Andon, O Fanton, Barrot, G, Guirlet, M, Fehr, T, de Miguel, L Saavedra

“…The Global Ozone Monitoring by Occultation of Stars (GOMOS) instrument onboard the European Space Agency's ENVISAT satellite measures ozone, NO2 , NO3 , H2 O,…”
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A global climatology of the mesospheric sodium layer from GOMOS data during the 2002–2008 period by Fussen, D., Vanhellemont, F., Tétard, C., Mateshvili, N., Dekemper, E., Loodts, N., Bingen, C., Kyrölä, E., Tamminen, J., Sofieva, V., Hauchecorne, A., Dalaudier, F., Bertaux, J.-L., Barrot, G., Blanot, L., Fanton d'Andon, O., Fehr, T., Saavedra, L., Yuan, T., She, C.-Y.

“…This paper presents a climatology of the mesospheric sodium layer built from the processing of 7 years of GOMOS data. With respect to preliminary results…”
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Retrieval of vertical profiles of atmospheric refraction angles by inversion of optical dilution measurements by Fussen, D, Tétard, C, Dekemper, E, Pieroux, D, Mateshvili, N, Vanhellemont, F, Franssens, G, Demoulin, P

“…In this paper, we consider occultations of celestial bodies through the atmospheric limb from low Earth orbit satellites and we show how the usual change of…”
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GOMOS data characterisation and error estimation by Tamminen, J., Kyrölä, E., Sofieva, V. F., Laine, M., Bertaux, J.-L., Hauchecorne, A., Dalaudier, F., Fussen, D., Vanhellemont, F., Fanton-d'Andon, O., Barrot, G., Mangin, A., Guirlet, M., Blanot, L., Fehr, T., Saavedra de Miguel, L., Fraisse, R.

“…The Global Ozone Monitoring by Occultation of Stars (GOMOS) instrument uses stellar occultation technique for monitoring ozone, other trace gases and aerosols…”
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Validation of GOMOS ozone precision estimates in the stratosphere by Sofieva, V. F, Tamminen, J, Kyrölä, E, Laeng, A, von Clarmann, T, Dalaudier, F, Hauchecorne, A, Bertaux, J.-L, Barrot, G, Blanot, L, Fussen, D, Vanhellemont, F

“…Accurate information about uncertainties is required in nearly all data analyses, e.g., inter-comparisons, data assimilation, combined use. Validation of…”
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Optical extinction by upper tropospheric/stratospheric aerosols and clouds: GOMOS observations for the period 2002–2008 by Vanhellemont, F., Fussen, D., Mateshvili, N., Tétard, C., Bingen, C., Dekemper, E., Loodts, N., Kyrölä, E., Sofieva, V., Tamminen, J., Hauchecorne, A., Bertaux, J.-L., Dalaudier, F., Blanot, L., Fanton d'Andon, O., Barrot, G., Guirlet, M., Fehr, T., Saavedra, L.

“…Although the retrieval of aerosol extinction coefficients from satellite remote measurements is notoriously difficult (in comparison with gaseous species) due…”
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Nabro volcano aerosol in the stratosphere over Georgia, South Caucasus from ground-based spectrometry of twilight sky brightness by Mateshvili, N, Fussen, D, Mateshvili, G, Mateshvili, I, Vanhellemont, F, Kyrölä, E, Tukiainen, S, Kujanpää, J, Bingen, C, Robert, C, Tétard, C, Dekemper, E

“…Ground-based spectral measurements of twilight sky brightness were carried out between September 2009 and August 2011 in Georgia, South Caucasus. The algorithm…”
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Response of tropical stratospheric O3, NO2 and NO3 to the equatorial Quasi-Biennial Oscillation and to temperature as seen from GOMOS/ENVISAT by Hauchecorne, A, Bertaux, J L, Dalaudier, F, Keckhut, P, Lemennais, P, Bekki, S, Marchand, M, Lebrun, J C, Kyrölä, E, Tamminen, J, Sofieva, V, Fussen, D, Vanhellemont, F, d'Andon, O Fanton, Barrot, G, Blanot, L, Fehr, T, de Miguel, L Saavedra

“…The stellar occultation spectrometer GOMOS (Global Ozone Monitoring by Occultation of Stars) on ESA's Envisat satellite measures vertical profiles O3 , NO2 and…”
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Spatio-temporal observations of the tertiary ozone maximum by Sofieva, V. F., Kyrölä, E., Verronen, P. T., Seppälä, A., Tamminen, J., Marsh, D. R., Smith, A. K., Bertaux, J.-L., Hauchecorne, A., Dalaudier, F., Fussen, D., Vanhellemont, F., Fanton d'Andon, O., Barrot, G., Guirlet, M., Fehr, T., Saavedra, L.

“…We present spatio-temporal distributions of the tertiary ozone maximum (TOM), based on GOMOS (Global Ozone Monitoring by Occultation of Stars) ozone…”
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Zernike polynomials applied to apparent solar disk flattening for pressure profile retrievals by Dekemper, E, Vanhellemont, F, Mateshvili, N, Franssens, G, Pieroux, D, Bingen, C, Robert, C, Fussen, D

“…We present a passive method for the retrieval of atmospheric pressure profiles based on the measurement of the apparent flattening of the solar disk as…”
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Influence of scintillation on quality of ozone monitoring by GOMOS by Sofieva, V. F., Kan, V., Dalaudier, F., Kyrölä, E., Tamminen, J., Bertaux, J.-L., Hauchecorne, A., Fussen, D., Vanhellemont, F.

“…Stellar light passing through the Earth atmosphere is affected by refractive effects, which should be taken into account in retrievals from stellar occultation…”
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Water ice clouds in the Martian atmosphere: Two Martian years of SPICAM nadir UV measurements by Mateshvili, N., Fussen, D., Vanhellemont, F., Bingen, C., Dekemper, E., Loodts, N., Tetard, C.

“…The SPICAM instrument onboard Mars Express has successfully performed two Martian years (MY 27 and MY28) of observations. Water ice cloud optical depths…”
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GOMOS on Envisat: an overview by Kyrölä, E., Tamminen, J., Leppelmeier, G.W., Sofieva, V., Hassinen, S., Bertaux, J.L., Hauchecorne, A., Dalaudier, F., Cot, C., Korablev, O., Fanton d’Andon, O., Barrot, G., Mangin, A., Théodore, B., Guirlet, M., Etanchaud, F., Snoeij, P., Koopman, R., Saavedra, L., Fraisse, R., Fussen, D., Vanhellemont, F.

“…GOMOS (Global Ozone Monitoring by Occultation of Stars) on board Envisat measures O 3, NO 2, NO 3, neutral density, aerosols, H 2O, and O 2, in the…”
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Nighttime ozone profiles in the stratosphere and mesosphere by the Global Ozone Monitoring by Occultation of Stars on Envisat by Kyrölä, E., Tamminen, J., Leppelmeier, G. W., Sofieva, V., Hassinen, S., Seppälä, A., Verronen, P. T., Bertaux, J. L., Hauchecorne, A., Dalaudier, F., Fussen, D., Vanhellemont, F., d'Andon, O. Fanton, Barrot, G., Mangin, A., Theodore, B., Guirlet, M., Koopman, R., de Miguel, L. Saavedra, Snoeij, P., Fehr, T., Meijer, Y., Fraisse, R.

“…The Global Ozone Monitoring by Occultation of Stars (GOMOS) instrument on board the European Space Agency's Envisat satellite measures ozone and a few other…”
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Choosing a suitable analytical model for aerosol extinction spectra in the retrieval of UV/visible satellite occultation measurements by Vanhellemont, F., Fussen, D., Dodion, J., Bingen, C., Mateshvili, N.

“…In the retrieval of satellite occultation experiments the optical extinction by atmospheric gases can be adequately modeled as the product of an extinction…”
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Retrievals from GOMOS stellar occultation measurements using characterization of modeling errors by Sofieva, V. F., Vira, J., Kyrölä, E., Tamminen, J., Kan, V., Dalaudier, F., Hauchecorne, A., Bertaux, J.-L., Fussen, D., Vanhellemont, F., Barrot, G., Fanton d'Andon, O.

“…In this paper, we discuss the development of the inversion algorithm for the GOMOS (Global Ozone Monitoring by Occultation of Star) instrument on board the…”
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Initial intercomparison of ozone and nitrogen dioxide number density profiles retrieved by the ACE-FTS and GOMOS occultation experiments by Fussen, D., Vanhellemont, F., Dodion, J., Bingen, C., Walker, K. A., Boone, C. D., McLeod, S. D., Bernath, P. F.

“…The ozone and nitrogen dioxide vertical number density profiles measured by the solar occultation Fourier transform spectrometer ACE‐FTS and the UV‐Vis stellar…”
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OClO slant column densities derived from GOMOS averaged transmittance measurements by Tétard, C., Fussen, D., Vanhellemont, F., Bingen, C., Dekemper, E., Mateshvili, N., Pieroux, D., Robert, C., Kyrölä, E., Tamminen, J., Sofieva, V., Hauchecorne, A., Dalaudier, F., Bertaux, J.-L., Fanton d'Andon, O., Barrot, G., Blanot, L., Dehn, A., Saavedra de Miguel, L.

“…The Global Ozone Monitoring by Occultation of Stars (GOMOS) instrument on board the European platform ENVISAT (ENVironment SATellite) was dedicated to the…”
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