Search Results - "Fayt, C."

Diurnal, seasonal and long-term variations of global formaldehyde columns inferred from combined OMI and GOME-2 observations by De Smedt, I., Stavrakou, T., Hendrick, F., Danckaert, T., Vlemmix, T., Pinardi, G., Theys, N., Lerot, C., Gielen, C., Vigouroux, C., Hermans, C., Fayt, C., Veefkind, P., Müller, J.-F., Van Roozendael, M.

“…We present the new version (v14) of the BIRA-IASB algorithm for the retrieval of formaldehyde (H2CO) columns from spaceborne UV–visible sensors. Applied to OMI…”
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Four years of ground-based MAX-DOAS observations of HONO and NO2 in the Beijing area by Hendrick, F, Müller, J.-F, Clémer, K, Wang, P, De Mazière, M, Fayt, C, Gielen, C, Hermans, C, Ma, J Z, Pinardi, G, Stavrakou, T, Vlemmix, T, Van Roozendael, M

“…Ground-based Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements of nitrous acid (HONO) and its precursor NO2 (nitrogen dioxide) as…”
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MAX-DOAS observations of aerosols, formaldehyde and nitrogen dioxide in the Beijing area: comparison of two profile retrieval approaches by Vlemmix, T, Hendrick, F, Pinardi, G, De Smedt, I, Fayt, C, Hermans, C, Piters, A, Wang, P, Levelt, P, Van Roozendael, M

“…A 4-year data set of MAX-DOAS observations in the Beijing area (2008–2012) is analysed with a focus on NO2, HCHO and aerosols. Two very different retrieval…”
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Multiple wavelength retrieval of tropospheric aerosol optical properties from MAXDOAS measurements in Beijing by Clémer, K., Van Roozendael, M., Fayt, C., Hendrick, F., Hermans, C., Pinardi, G., Spurr, R., Wang, P., De Mazière, M.

“…We report on the retrieval of aerosol extinction profiles at four wavelengths from ground-based multi-axis differential absorption spectroscopy (MAXDOAS)…”
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Evaluation of tropospheric SO2 retrieved from MAX-DOAS measurements in Xianghe, China by T. Wang, F. Hendrick, P. Wang, G. Tang, K. Clémer, H. Yu, C. Fayt, C. Hermans, C. Gielen, J.-F. Müller, G. Pinardi, N. Theys, H. Brenot, M. Van Roozendael

“…Ground-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements of sulfur dioxide (SO2) have been performed at the Xianghe station…”
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A simple and versatile cloud-screening method for MAX-DOAS retrievals by Gielen, C, Van Roozendael, M, Hendrick, F, Pinardi, G, Vlemmix, T, De Bock, V, De Backer, H, Fayt, C, Hermans, C, Gillotay, D, Wang, P

“…We present a cloud-screening method based on differential optical absorption spectroscopy (DOAS) measurements, more specifically using intensity measurements…”
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High-resolution NO2 remote sensing from the Airborne Prism EXperiment (APEX) imaging spectrometer by Popp, C, Brunner, D, Damm, A, Van Roozendael, M, Fayt, C, Buchmann, B

“…We present and evaluate the retrieval of high spatial resolution maps of NO2 vertical column densities (VCD) from the Airborne Prism EXperiment (APEX) imaging…”
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Sixteen years of GOME/ERS-2 total ozone data: The new direct-fitting GOME Data Processor (GDP) version 5-Algorithm description by Van Roozendael, M., Spurr, R., Loyola, D., Lerot, C., Balis, D., Lambert, J.-C., Zimmer, W., van Gent, J., van Geffen, J., Koukouli, M., Granville, J., Doicu, A., Fayt, C., Zehner, C.

“…The Global Ozone Monitoring Instrument (GOME) was launched in April 1995 on ESA's ERS‐2 platform, and the GOME Data Processor (GDP) operational retrieval…”
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Retrievals of formaldehyde from ground-based FTIR and MAX-DOAS observations at the Jungfraujoch station and comparisons with GEOS-Chem and IMAGES model simulations by Franco, B., Hendrick, F., Van Roozendael, M., Müller, J.-F., Stavrakou, T., Marais, E. A., Bovy, B., Bader, W., Fayt, C., Hermans, C., Lejeune, B., Pinardi, G., Servais, C., Mahieu, E.

“…As an ubiquitous product of the oxidation of many volatile organic compounds (VOCs), formaldehyde (HCHO) plays a key role as a short-lived and reactive…”
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The 2005 and 2006 DANDELIONS NO2 and aerosol intercomparison campaigns by Brinksma, E. J., Pinardi, G., Volten, H., Braak, R., Richter, A., Schönhardt, A., van Roozendael, M., Fayt, C., Hermans, C., Dirksen, R. J., Vlemmix, T., Berkhout, A. J. C., Swart, D. P. J., Oetjen, H., Wittrock, F., Wagner, T., Ibrahim, O. W., de Leeuw, G., Moerman, M., Curier, R. L., Celarier, E. A., Cede, A., Knap, W. H., Veefkind, J. P., Eskes, H. J., Allaart, M., Rothe, R., Piters, A. J. M., Levelt, P. F.

“…Dutch Aerosol and Nitrogen Dioxide Experiments for Validation of OMI and SCIAMACHY (DANDELIONS) is a project that encompasses validation of spaceborne…”
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MAX-DOAS formaldehyde slant column measurements during CINDI: intercomparison and analysis improvement by Pinardi, G, Van Roozendael, M, Abuhassan, N, Adams, C, Cede, A, Clémer, K, Fayt, C, Frieß, U, Gil, M, Herman, J, Hermans, C, Hendrick, F, Irie, H, Merlaud, A, Navarro Comas, M, Peters, E, Piters, A. J. M, Puentedura, O, Richter, A, Schönhardt, A, Shaiganfar, R, Spinei, E, Strong, K, Takashima, H, Vrekoussis, M, Wagner, T, Wittrock, F, Yilmaz, S

“…We present intercomparison results for formaldehyde (HCHO) slant column measurements performed during the Cabauw Intercomparison campaign of Nitrogen Dioxide…”
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Ten years of GOME/ERS-2 total ozone data—The new GOME data processor (GDP) version 4: 1. Algorithm description by Van Roozendael, M., Loyola, D., Spurr, R., Balis, D., Lambert, J.-C., Livschitz, Y., Valks, P., Ruppert, T., Kenter, P., Fayt, C., Zehner, C.

“…The Global Ozone Monitoring Instrument (GOME) was launched on European Space Agency's ERS‐2 platform in April 1995. The GOME data processor (GDP) operational…”
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Tropospheric nitrogen dioxide column retrieval from ground-based zenith–sky DOAS observations by Tack, F, Hendrick, F, Goutail, F, Fayt, C, Merlaud, A, Pinardi, G, Hermans, C, Pommereau, J.-P, Van Roozendael, M

“…We present an algorithm for retrieving tropospheric nitrogen dioxide (NO2) vertical column densities (VCDs) from ground-based zenith–sky (ZS) measurements of…”
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Retrieval of stratospheric and tropospheric BrO columns from multi-axis DOAS measurements at Reunion Island (21° S, 56° E) by Theys, N., Van Roozendael, M., Hendrick, F., Fayt, C., Hermans, C., Baray, J.-L., Goutail, F., Pommereau, J.-P., De Mazière, M.

“…Spectral measurements of BrO using zenith-sky and off-axis viewing geometries are combined in a linear multiple regression retrieval algorithm to provide…”
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Intercomparison of slant column measurements of NO2 and O4 by MAX-DOAS and zenith-sky UV and visible spectrometers by Roscoe, H K, Van Roozendael, M, Fayt, C, Piesanie, A du, Abuhassan, N, Adams, C, Akrami, M, Cede, A, Chong, J, Clémer, K, Friess, U, Ojeda, M Gil, Goutail, F, Graves, R, Griesfeller, A, Grossmann, K, Hemerijckx, G, Hendrick, F, Herman, J, Hermans, C, Irie, H, Johnston, P V, Kanaya, Y, Kreher, K, Leigh, R, Merlaud, A, Mount, G H, Navarro, M, Oetjen, H, Pazmino, A, Perez-Camacho, M, Peters, E, Pinardi, G, Puentedura, O, Richter, A, Schönhardt, A, Shaiganfar, R, Spinei, E, Strong, K, Takashima, H, Vlemmix, T, Vrekoussis, M, Wagner, T, Wittrock, F, Yela, M, Yilmaz, S, Boersma, F, Hains, J, Kroon, M, Piters, A, Kim, Y J

“…In June 2009, 22 spectrometers from 14 institutes measured tropospheric and stratospheric NO2 from the ground for more than 11 days during the Cabauw…”
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Analysis of stratospheric NO2 trends above Jungfraujoch using ground-based UV-visible, FTIR, and satellite nadir observations by Hendrick, F, Mahieu, E, Bodeker, G E, Boersma, K F, Chipperfield, M P, De Mazière, M, De Smedt, I, Demoulin, P, Fayt, C, Hermans, C, Kreher, K, Lejeune, B, Pinardi, G, Servais, C, Stübi, R, der A, R van, Vernier, J.-P, Van Roozendael, M

“…The trend in stratospheric NO2 column at the NDACC (Network for the Detection of Atmospheric Composition Change) station of Jungfraujoch (46.5° N, 8.0° E) is…”
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DOAS measurements of NO2 from an ultralight aircraft during the Earth Challenge expedition by Merlaud, A, Van Roozendael, M, van Gent, J, Fayt, C, Maes, J, Toledo-Fuentes, X, Ronveaux, O, De Mazière, M

“…We report on airborne Differential Optical Absorption Spectroscopy (DOAS) measurements of NO2 tropospheric columns above South Asia, the Arabic peninsula,…”
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Airborne DOAS measurements in Arctic: vertical distributions of aerosol extinction coefficient and NO2 concentration by Merlaud, A, Van Roozendael, M, Theys, N, Fayt, C, Hermans, C, Quennehen, B, Schwarzenboeck, A, Ancellet, G, Pommier, M, Pelon, J, Burkhart, J, Stohl, A, De Mazière, M

“…We report on airborne Differential Optical Absorption Spectroscopy (DOAS) measurements of aerosol extinction and NO2 tropospheric profiles performed off the…”
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Evaluation of tropospheric SO 2 retrieved from MAX-DOAS measurements in Xianghe, China by Wang, T., Hendrick, F., Wang, P., Tang, G., Clémer, K., Yu, H., Fayt, C., Hermans, C., Gielen, C., Müller, J.-F., Pinardi, G., Theys, N., Brenot, H., Van Roozendael, M.

“…Ground-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements of sulfur dioxide (SO2) have been performed at the Xianghe station…”
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One-decade trend analysis of stratospheric BrO over Harestua (60°N) and Lauder (45°S) reveals a decline by Hendrick, F., Johnston, P. V., De Mazière, M., Fayt, C., Hermans, C., Kreher, K., Theys, N., Thomas, A., Van Roozendael, M.

“…A trend analysis is performed of stratospheric BrO from ground‐based UV‐visible observations at Harestua (60°N, 11°E) and Lauder (45°S, 170°E) from 1995…”
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