Search Results - "Vlemmix, T"

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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Impact of aerosols on the OMI tropospheric NO2 retrievals over industrialized regions: how accurate is the aerosol correction of cloud-free scenes via a simple cloud model? by Chimot, J, Vlemmix, T, Veefkind, J P, de Haan, J F, Levelt, P F

“…The Ozone Monitoring Instrument (OMI) has provided daily global measurements of tropospheric NO2 for more than a decade. Numerous studies have drawn attention…”
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MAX-DOAS tropospheric nitrogen dioxide column measurements compared with the Lotos-Euros air quality model by Vlemmix, T, Eskes, H. J, Piters, A. J. M, Schaap, M, Sauter, F. J, Kelder, H, Levelt, P. F

“…A 14-month data set of MAX-DOAS (Multi-Axis Differential Optical Absorption Spectroscopy) tropospheric NO2 column observations in De Bilt, the Netherlands, has…”
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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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Ability of the MAX-DOAS method to derive profile information for NO2: can the boundary layer and free troposphere be separated? by Vlemmix, T, Piters, A J. M, Berkhout, A J. C, Gast, L F. L, Wang, P, Levelt, P F

“…Multiple Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) instruments can measure from the ground the absorption by nitrogen dioxide (NO2 ) of…”
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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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Impact of aerosols on the OMI tropospheric NO 2 retrievals over industrialized regions: how accurate is the aerosol correction of cloud-free scenes via a simple cloud model? by Chimot, J., Vlemmix, T., Veefkind, J. P., de Haan, J. F., Levelt, P. F.

“…The Ozone Monitoring Instrument (OMI) has provided daily global measurements of tropospheric NO2 for more than a decade. Numerous studies have drawn attention…”
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Retrieval of tropospheric NO2 using the MAX-DOAS method combined with relative intensity measurements for aerosol correction by Vlemmix, T, Piters, A J. M, Stammes, P, Wang, P, Levelt, P F

“…Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) is a technique to measure trace gas amounts in the lower troposphere from ground-based…”
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The Cabauw Intercomparison campaign for Nitrogen Dioxide measuring Instruments (CINDI): design, execution, and early results by Piters, A. J. M, Boersma, K. F, Kroon, M, Hains, J. C, Van Roozendael, M, Wittrock, F, Abuhassan, N, Adams, C, Akrami, M, Allaart, M. A. F, Apituley, A, Beirle, S, Bergwerff, J. B, Berkhout, A. J. C, Brunner, D, Cede, A, Chong, J, Clémer, K, Fayt, C, Frieß, U, Gast, L. F. L, Gil-Ojeda, M, Goutail, F, Graves, R, Griesfeller, A, Großmann, K, Hemerijckx, G, Hendrick, F, Henzing, B, Herman, J, Hermans, C, Hoexum, M, van der Hoff, G. R, Irie, H, Johnston, P. V, Kanaya, Y, Kim, Y. J, Klein Baltink, H, Kreher, K, de Leeuw, G, Leigh, R, Merlaud, A, Moerman, M. M, Monks, P. S, Mount, G. H, Navarro-Comas, M, Oetjen, H, Pazmino, A, Perez-Camacho, M, Peters, E, du Piesanie, A, Pinardi, G, Puentedura, O, Richter, A, Roscoe, H. K, Schönhardt, A, Schwarzenbach, B, Shaiganfar, R, Sluis, W, Spinei, E, Stolk, A. P, Strong, K, Swart, D. P. J, Takashima, H, Vlemmix, T, Vrekoussis, M, Wagner, T, Whyte, C, Wilson, K. M, Yela, M, Yilmaz, S, Zieger, P, Zhou, Y

“…From June to July 2009 more than thirty different in-situ and remote sensing instruments from all over the world participated in the Cabauw Intercomparison…”
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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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Validation of tropospheric NO2 column measurements of GOME-2A and OMI using MAX-DOAS and direct sun network observations by Pinardi, Gaia, Michel Van Roozendael, Hendrick, François, Theys, Nicolas, Abuhassan, Nader, Bais, Alkiviadis, Boersma, Folkert, Cede, Alexander, Chong, Jihyo, Donner, Sebastian, Drosoglou, Theano, Dzhola, Anatoly, Eskes, Henk, Frieß, Udo, Granville, José, Herman, Jay R, Holla, Robert, Hovila, Jari, Irie, Hitoshi, Kanaya, Yugo, Karagkiozidis, Dimitris, Kouremeti, Natalia, Jean-Christopher, Lambert, Ma, Jianzhong, Peters, Enno, Piters, Ankie, Postylyakov, Oleg, Richter, Andreas, Remmers, Julia, Takashima, Hisahiro, Tiefengraber, Martin, Valks, Pieter, Vlemmix, Tim, Wagner, Thomas, Wittrock, Folkard

“…Multi-axis differential optical absorption spectroscopy (MAX-DOAS) and direct sun NO2 vertical column network data are used to investigate the accuracy of…”
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Intercomparison of MAX-DOAS vertical profile retrieval algorithms: studies on field data from the CINDI-2 campaign by Tirpitz, Jan-Lukas, Frieß, Udo, Hendrick, François, Alberti, Carlos, Allaart, Marc, Apituley, Arnoud, Bais, Alkis, Beirle, Steffen, Berkhout, Stijn, Bognar, Kristof, Bösch, Tim, Bruchkouski, Ilya, Cede, Alexander, Chan, Ka Lok, den Hoed, Mirjam, Donner, Sebastian, Drosoglou, Theano, Fayt, Caroline, Friedrich, Martina M, Frumau, Arnoud, Gast, Lou, Gielen, Clio, Gomez-Martín, Laura, Hao, Nan, Hensen, Arjan, Henzing, Bas, Hermans, Christian, Jin, Junli, Kreher, Karin, Kuhn, Jonas, Lampel, Johannes, Li, Ang, Liu, Cheng, Liu, Haoran, Ma, Jianzhong, Merlaud, Alexis, Peters, Enno, Pinardi, Gaia, Piters, Ankie, Platt, Ulrich, Puentedura, Olga, Richter, Andreas, Schmitt, Stefan, Spinei, Elena, Stein Zweers, Deborah, Strong, Kimberly, Swart, Daan, Tack, Frederik, Tiefengraber, Martin, van der Hoff, René, van Roozendael, Michel, Vlemmix, Tim, Vonk, Jan, Wagner, Thomas, Wang, Yang, Wang, Zhuoru, Wenig, Mark, Wiegner, Matthias, Wittrock, Folkard, Xie, Pinhua, Xing, Chengzhi, Xu, Jin, Yela, Margarita, Zhang, Chengxin, Zhao, Xiaoyi

“…The second Cabauw Intercomparison of Nitrogen Dioxide measuring Instruments (CINDI-2) took place in Cabauw (the Netherlands) in September 2016 with the aim of…”
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Comparison of tropospheric NO2 columns from MAX-DOAS retrievals and regional air quality model simulations by Anne-Marlene Blechschmidt, Arteta, Joaquim, Coman, Adriana, Curier, Lyana, Eskes, Henk, et, Gilles, Gielen, Clio, Hendrick, Francois, Marécal, Virginie, Meleux, Frédérik, Parmentier, Jonathan, Peters, Enno, Pinardi, Gaia, Piters, Ankie J M, Plu, Matthieu, Richter, Andreas, Segers, Arjo, Sofiev, Mikhail, Valdebenito, Álvaro M, Michel Van Roozendael, Vira, Julius, Vlemmix, Tim, Burrows, John P

“…Multi-axis differential optical absorption spectroscopy (MAX-DOAS) tropospheric NO2 column retrievals from four European measurement stations are compared to…”
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Intercomparison of MAX-DOAS vertical profile retrieval algorithms: studies using synthetic data by Friess, Udo, Beirle, Steffen, Alvarado Bonilla, Leonardo, Bosch, Tim, Friedrich, Martina M, Hendrick, Francois, Piters, Ankie, Richter, Andreas, van Roozendael, Michel, Rozanov, Vladimir V, Spinei, Elena, Tirpitz, Jan-Lukas, Vlemmix, Tim, Wagner, Thomas, Wang, Yang

“…Multi-axis differential optical absorption spectroscopy (MAX-DOAS) is a widely used measurement technique for the detection of a variety of atmospheric trace…”
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Spatial distribution analysis of the OMI aerosol layer height: a pixel-by-pixel comparison to CALIOP observations by Chimot, Julien, Veefkind, J. Pepijn, Vlemmix, Tim, Levelt, Pieternel F

“…A global picture of atmospheric aerosol vertical distribution with a high temporal resolution is of key importance not only for climate, cloud formation, and…”
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Intercomparison of four airborne imaging DOAS systems for tropospheric NO2 mapping – the AROMAPEX campaign by Tack, Frederik, Merlaud, Alexis, Meier, Andreas C, Vlemmix, Tim, Ruhtz, Thomas, Marian-Daniel Iordache, Ge, Xinrui, van der Wal, Len, Schuettemeyer, Dirk, Ardelean, Magdalena, Calcan, Andreea, Constantin, Daniel, Schönhardt, Anja, Meuleman, Koen, Richter, Andreas, Michel Van Roozendael

“…We present an intercomparison study of four airborne imaging DOAS instruments, dedicated to the retrieval and high-resolution mapping of tropospheric nitrogen…”
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Ability of the MAX-DOAS method to derive profile information for NO 2 : can the boundary layer and free troposphere be separated? by Vlemmix, T., Piters, A. J. M., Berkhout, A. J. C., Gast, L. F. L., Wang, P., Levelt, P. F.

“…Multiple Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) instruments can measure from the ground the absorption by nitrogen dioxide (NO2) of…”
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An exploratory study on the aerosol height retrieval from OMI measurements of the 477 nm O2 - O2 spectral band using a neural network approach by Chimot, Julien, Veefkind, J Pepijn, Vlemmix, Tim, de Haan, Johan F, Amiridis, Vassilis, Proestakis, Emmanouil, Marinou, Eleni, Levelt, Pieternel F

“…This paper presents an exploratory study on the aerosol layer height (ALH) retrieval from the OMI 477nm O2 - O2 spectral band. We have developed algorithms…”
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