Search Results - "Shaiganfar, R."

Tropospheric NO2 vertical column densities over Beijing: results of the first three years of ground-based MAX-DOAS measurements (2008-2011) and satellite validation by Ma, J Z, Beirle, S, Jin, J L, Shaiganfar, R, Yan, P, Wagner, T

“…Ground-based measurements of scattered sunlight by the Multi Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) have been carried out at an urban…”
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Estimation of NOx emissions from Delhi using Car MAX-DOAS observations and comparison with OMI satellite data by Shaiganfar, R, Beirle, S, Sharma, M, Chauhan, A, Singh, R P, Wagner, T

“…We present the first Multi-Axis-(MAX-) DOAS observations in India performed during April 2010 and January 2011 in Delhi and nearby regions. The MAX-DOAS…”
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Intercomparison of aerosol extinction profiles retrieved from MAX-DOAS measurements by Frieß, U, Klein Baltink, H, Beirle, S, Clémer, K, Hendrick, F, Henzing, B, Irie, H, de Leeuw, G, Li, A, Moerman, M. M, van Roozendael, M, Shaiganfar, R, Wagner, T, Wang, Y, Xie, P, Yilmaz, S, Zieger, P

“…A first direct intercomparison of aerosol vertical profiles from Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) observations, performed…”
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Comparison of ambient aerosol extinction coefficients obtained from in-situ, MAX-DOAS and LIDAR measurements at Cabauw by Zieger, P., Weingartner, E., Henzing, J., Moerman, M., de Leeuw, G., Mikkilä, J., Ehn, M., Petäjä, T., Clémer, K., van Roozendael, M., Yilmaz, S., Frieß, U., Irie, H., Wagner, T., Shaiganfar, R., Beirle, S., Apituley, A., Wilson, K., Baltensperger, U.

“…In the field, aerosol in-situ measurements are often performed under dry conditions (relative humidity RH<30–40%). Since ambient aerosol particles experience…”
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Cloud detection and classification based on MAX-DOAS observations by Wagner, T, Apituley, A, Beirle, S, Dörner, S, Friess, U, Remmers, J, Shaiganfar, R

“…Multi-axis differential optical absorption spectroscopy (MAX-DOAS) observations of aerosols and trace gases can be strongly influenced by clouds. Thus, it is…”
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New concepts for the comparison of tropospheric NO2 column densities derived from car-MAX-DOAS observations, OMI satellite observations and the regional model CHIMERE during two MEGAPOLI campaigns in Paris 2009/10 by Shaiganfar, R, Beirle, S, Petetin, H, Zhang, Q, Beekmann, M, Wagner, T

“…We compare tropospheric column densities (vertically integrated concentrations) of NO2 from three data sets for the metropolitan area of Paris during two…”
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Mobile MAX-DOAS observations of tropospheric trace gases by Wagner, T., Ibrahim, O., Shaiganfar, R., Platt, U.

“…From Multi-Axis- (MAX-) DOAS observations, information on tropospheric trace gases close to the surface and up to the free troposphere can be obtained. Usually…”
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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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Car MAX-DOAS measurements around entire cities: quantification of NOx emissions from the cities of Mannheim and Ludwigshafen (Germany) by Ibrahim, O, Shaiganfar, R, Sinreich, R, Stein, T, Platt, U, Wagner, T

“…We present car Multi-Axis (MAX-) DOAS observations of tropospheric NO2 carried out on circles around the cities of Mannheim and Ludwigshafen (Germany) on 24…”
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A new method for the absolute radiance calibration for UV–vis measurements of scattered sunlight by Wagner, T, Beirle, S, Dörner, S, Penning de Vries, M, Remmers, J, Rozanov, A, Shaiganfar, R

“…Absolute radiometric calibrations are important for measurements of the atmospheric spectral radiance. Such measurements can be used to determine actinic…”
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MAX-DOAS observations of the total atmospheric water vapour column and comparison with independent observations by Wagner, T, Andreae, M. O, Beirle, S, Dörner, S, Mies, K, Shaiganfar, R

“…We developed an algorithm for the retrieval of the atmospheric water vapour column from Multi-AXis Differential Optical Absorption Spectroscopy (MAX-DOAS)…”
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Corrigendum to "MAX-DOAS formaldehyde slant column measurements during CINDI: intercomparison and analysis improvement" published in Atmos. Meas. Tech., 6, 167–185, 2013 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

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Estimation of the Paris NOx emissions from mobile MAX-DOAS observations and CHIMERE model simulations during the MEGAPOLI campaign using the closed integral method by Shaiganfar, Reza, Beirle, Steffen, Hugo Denier van der Gon, Jonkers, Sander, Kuenen, Jeroen, Petetin, Herve, Zhang, Qijie, Beekmann, Matthias, Wagner, Thomas

“…We determined NOx emissions from Paris in summer 2009 and winter 2009/2010 by applying the closed integral method (CIM) to a large set of car multi-axis…”
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Absolute calibration of the colour index and O4 absorption derived from Multi AXis (MAX-)DOAS measurements and their application to a standardised cloud classification algorithm by Wagner, Thomas, Beirle, Steffen, Remmers, Julia, Shaiganfar, Reza, Wang, Yang

“…A method is developed for the calibration of the colour index (CI) and the O4 absorption derived from differential optical absorption spectroscopy (DOAS)…”
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Is a scaling factor required to obtain closure between measured and modelled atmospheric O4 absorptions? An assessment of uncertainties of measurements and radiative transfer simulations for 2 selected days during the MAD-CAT campaign by Wagner, Thomas, Beirle, Steffen, Benavent, Nuria, Bösch, Tim, Chan, Ka Lok, Donner, Sebastian, Dörner, Steffen, Fayt, Caroline, Frieß, Udo, García-Nieto, David, Gielen, Clio, González-Bartolome, David, Gomez, Laura, Hendrick, François, Henzing, Bas, Jun Li Jin, Lampel, Johannes, Ma, Jianzhong, Mies, Kornelia, Navarro, Mónica, Peters, Enno, Pinardi, Gaia, Puentedura, Olga, Puķīte, Janis, Remmers, Julia, Richter, Andreas, Saiz-Lopez, Alfonso, Shaiganfar, Reza, Sihler, Holger, Michel Van Roozendael, Wang, Yang, Yela, Margarita

“…In this study the consistency between MAX-DOAS measurements and radiative transfer simulations of the atmospheric O4 absorption is investigated on 2 mainly…”
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Satellite validation strategy assessments based on the AROMAT campaigns by Merlaud, Alexis, Belegante, Livio, Constantin, Daniel-Eduard, Den Hoed, Mirjam, Meier, Andreas Carlos, Allaart, Marc, Ardelean, Magdalena, Arseni, Maxim, Bösch, Tim, Brenot, Hugues, Calcan, Andreea, Dekemper, Emmanuel, Donner, Sebastian, Dörner, Steffen, Balanica Dragomir, Mariana Carmelia, Georgescu, Lucian, Nemuc, Anca, Nicolae, Doina, Pinardi, Gaia, Richter, Andreas, Rosu, Adrian, Ruhtz, Thomas, Schönhardt, Anja, Schuettemeyer, Dirk, Shaiganfar, Reza, Stebel, Kerstin, Tack, Frederik, Nicolae Vâjâiac, Sorin, Vasilescu, Jeni, Vanhamel, Jurgen, Wagner, Thomas, Van Roozendael, Michel

“…The Airborne ROmanian Measurements of Aerosols and Trace gases (AROMAT) campaigns took place in Romania in September 2014 and August 2015. They focused on two…”
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Corrigendum to "Tropospheric NO 2 vertical column densities over Beijing: results of the first three years of ground-based MAX-DOAS measurements (2008–2011) and satellite validation" published in Atmos. Chem. Phys., 13, 1547–1567, 2013 by Ma, J. Z., Beirle, S., Jin, J. L., Shaiganfar, R., Yan, P., Wagner, T.

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Corrigendum to "Tropospheric NO.sub.2 vertical column densities over Beijing: results of the first three years of ground-based MAX-DOAS measurements and satellite validation" published in Atmos. Chem. Phys., 13, 1547--1567, 2013 by Ma, J. Z, Beirle, S, Jin, J. L, Shaiganfar, R, Yan, P, Wagner, T

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Corrigendum to "Tropospheric NO2 vertical column densities over Beijing: results of the first three years of ground-based MAX-DOAS measurements (2008–2011) and satellite validation" published in Atmos. Chem. Phys., 13, 1547-1567, 2013 by J. Z. Ma, S. Beirle, J. L. Jin, R. Shaiganfar, P. Yan, T. Wagner

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High-resolution airborne imaging DOAS measurements of NO2 above Bucharest during AROMAT by Meier, Andreas Carlos, Schönhardt, Anja, Bösch, Tim, Richter, Andreas, Seyler, André, Ruhtz, Thomas, Daniel-Eduard Constantin, Shaiganfar, Reza, Wagner, Thomas, Merlaud, Alexis, Michel Van Roozendael, Belegante, Livio, Nicolae, Doina, Georgescu, Lucian, Burrows, John Philip

“…In this study we report on airborne imaging DOAS measurements of NO2 from two flights performed in Bucharest during the AROMAT campaign (Airborne ROmanian…”
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