Determination of tropospheric vertical columns of NO 2 and aerosol optical properties in a rural setting using MAX-DOAS

Atmospheric Chemistry and Physics

Volumn 11, Issue 23, 2011, Pages 12475-12498

  Halla, J D ^a   Wagner, T ^b   Beirle, S ^b   Brook, J R ^c   Hayden, K L ^c   O'Brien, J M ^c   Ng, A ^d   Majonis, D ^a,f   Wenig, M O ^e   McLaren, R ^a  

^a YORK UNIVERSITY   (Canada)

^b MAX PLANCK INSTITUTE FOR CHEMISTRY   (Germany)

^c ENVIRONMENT CANADA   (Canada)

^d ONTARIO MINISTRY OF THE ENVIRONMENT   (Canada)

^e School of Energy and Environment   (Hong Kong)

^f UNIVERSITY OF TORONTO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

AEROSOL PROPERTY; AIR MASS; AIR QUALITY; ATOMIC ABSORPTION SPECTROSCOPY; CONVECTIVE BOUNDARY LAYER; NITROGEN DIOXIDE; OPTICAL DEPTH; RADIATIVE TRANSFER; RURAL ATMOSPHERE; SMOG; TROPOSPHERE;

CANADA; ONTARIO [CANADA];

EID: 83755186677     PISSN: 16807316     EISSN: 16807324     Source Type: Journal    
DOI: 10.5194/acp-11-12475-2011     Document Type: Article

References (84)

1. Alicke, B., Geyer, A., Hofzumahaus, A., Holland, F., Kon-rad, S., Patz, H. W., Schafer, J., Stutz, J., Volz-Thomas, A., and Platt, U.: OH formation by HONO photolysis during the BERLIOZ experiment, J. Geophys. Res.-Atmos., 108, 8247, doi:10.1029/2001JD000579, 2003.
2. Beirle, S., Kühl, S., Pukte, J., and Wagner, T.: Retrieval of tropospheric column densities of NO2 from combined SCIA-MACHY nadir/limb measurements, Atmos. Meas. Tech., 3, 283-299, doi:10.5194/amt-3-283-2010,1 2010.
3. Blond, N., Boersma, K. F., Eskes, H. J., van der A, R. J., Roozen-dael, M. V., Smedt, I. D., Bergametti, G., and Vautard, R.: Intercomparison of SCIAMACHY nitrogen dioxide observations, in situ measurements and air quality modeling results over Western Europe, J. Geophys. Res.-Atmos., 112, D10311, doi:10.1029/2006JD007277, 2007. (Pubitemid 47193662)
4. Boersma, K. F., Bucsela, E. J., Brinksma, E. J., and Gleason, J. F.: NO2, OMI-EOS Algorithm, Theoretical Basis Document: Trace Gas Algorithms: NO2, 12-35, 2001.
5. Bogumil, K., Orphal, J., Homann, T., Voigt, S., Spietz, P., Fleis-chmann, O. C., Vogel, A., Hartmann, M., Kromminga, H., Bovensmann, H., Frerick, J., and Burrows, J. P.: Measurements of molecular absorption spectra with the SCIAMACHY pre-flight model: instrument characterization and reference data for atmospheric remote-sensing in the 230-2380nm region, J. Pho-toch. Photobio. A, 157, 167-184, 2003. (Pubitemid 36519084)
6. Bovensmann, H., Burrows, J. P., Buchwitz, M., Frerick, J., Noel, S., Rozanov, V. V., Chance, K. V., and Goede, A. P. H.: SCIA-MACHY: Mission objectives and measurement modes, J. Atmos. Sci., 56, 127-150, 1999.
7. Brinksma, E. J., Pinardi, G., Volten, H., Braak, R., Richter, A., Schoenhardt, 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., and Levelt, P. F.: The 2005 and 2006 DANDELIONS NO2 and aerosol intercomparison campaigns, J. Geophys. Res.-Atmos., 113, D16S46, doi:10.1029/2007JD008808, 2008.
8. Bucsela, E., Celarier, E., Wenig, M., Gleason, J., Veefkind, J., Boersma, K. F., and Brinksma, E.: Algorithm for NO2 vertical column retrieval from the Ozone Monitoring Instrument, IEEE T. Geosci. Remote, 44, 1245-1258, 2006.
9. Burrows, J. P., Richter, A., Dehn, A., Deters, B., Himmelmann, S., and Orphal, J.: Atmospheric remote-sensing reference data from GOME 2. Temperature-dependent absorption cross sections of O3 in the 231-794nm range, J. Quant. Spectrosc. Ra., 61, 509-517, 1999.
10. Celarier, E. A., Brinksma, E. J., Gleason, J. F., Veefkind, J. P., Cede, A., Herman, J. R., Ionov, D., Goutail, F., Pommereau, J. P., Lambert, J. C., Roozendael, M. V., Pinardi, G., Wittrock, F., Schoen-hardt, A., Richter, A., Ibrahim, O. W., Wagner, T., Bojkov, B., Mount, G., Spinei, E., Chen, C. M., Pongetti, T. J., Sander, S. P. Bucsela, E. J., Wenig, M. O., Swart, D. P. J., Volten, H., Kroon, M., and Levelt, P. F.: Validation of ozone monitoring instrument nitrogen dioxide columns, J. Geophys. Res.-Atmos., 113, D15S15, doi:10.1029/2007JD008908, 2008.
11. Chance, K. V. and Spurr, R. J. D.: Ring effect studies: Rayleigh scattering, including molecular parameters for rotational Raman scattering, and the Fraunhofer spectrum, Appl. Optics, 36, 5224-5230, 1997.
12. Chen, D., Zhou, B., Beirle, S., Chen, L. M., and Wagner, T.: Tropospheric NO2 column densities deduced from zenith-sky DOAS measurements in Shanghai, China, and their application to satellite validation, Atmos. Chem. Phys., 9, 3641-3662, doi:10.5194/acp-9-3641-2009, 2009.
13. Chu, D. A., Kaufman, Y. J., Zibordi, G., Chern, J. D., Mao, J., Li, C. C., and Holben, B. N.: Global monitoring of air pollution over land from the Earth Observing System-Terra Moderate Resolution Imaging Spectroradiometer (MODIS), J. Geophys. Res.-Atmos., 108, 4661, doi:10.1029/2002JD003179, 2003.
14. Clémer, K., Van Roozendael, M., Fayt, C., Hendrick, F., Hermans, C., Pinardi, G., Spurr, R., Wang, P., and De Maziére, M.: Multiple wavelength retrieval of tropospheric aerosol optical properties from MAXDOAS measurements in Beijing, Atmos. Meas. Tech., 3, 863-878, doi:10.5194/amt-3-863- 2010, 2010.
15. Dentener, F. J. and Crutzen, P. J.: Reaction of N2O5 on Tropo-spheric Aerosols-Impact on the Global Distributions of NOx, O3, and OH, J. Geophys. Res.-Atmos., 98, 7149-7163, 1993. (Pubitemid 23383027)
16. Deutschmann, T., Beirle, S., Frieß, U., Grzegorski, M., Kern, C., Kritten, L., Platt, U., Prados-Román, C., Pukte, J., Wagner, T., Werner, B., and Pfeilsticker, K.: The Monte carlo Atmospheric radiative transfer model McArtim: Introduction and validation of Jacobians and 3-D features, J. Quant. Spectrosc. Ra., 112, 1119-1137, 2011.
17. Draxler, R. R. and Rolph, G. D.:HYbrid Single-Particle Lagrangian Integrated Trajectory Model, available online at: http://ready.arl. noaa.gov/HYSPLIT.php, last access: 25 November 2011, 2011.
18. Dubovik, O. and King, M. D.: A flexible inversion algorithm for retrieval of aerosol optical properties from Sun and sky radiance measurements, J. Geophys. Res.-Atmos., 105, 20673-20696, 2000.
19. EC: Environment Canada, National Pollutant Release Inventory, available online at: http://www.ec.gc.ca/inrp-npri/default.asp? lang=En&n=4A577BB9-1, 15 March 2011, 2011.
20. Engel-Cox, J. A., Holloman, C. H., Coutant, B. W., and Hoff, R. M.: Qualitative and quantitative evaluation of MODIS satellite sensor data for regional and urban scale air quality, Atmos. Environ., 38, 2495-2509, 2004. (Pubitemid 38490269)
21. Engel-Cox, J. A., Hoff, R. M., Rogers, R., Dimmick, F., Rush, A. C., Szykman, J. J., Al-Saadi, J., Chu, D. A., and Zell, E. R.: Integrating lidar and satellite optical depth with ambient monitoring for 3-dimensional particulate characterization, Atmos. Environ., 40, 8056-8067, 2006. (Pubitemid 44750798)
22. Fayt, C. and Roozendael, M. V.: WinDOAS 2.1-2001, available online at: http://bro.aeronomie.be/WinDOAS-SUM-210b. pdf, 15 March 2011, 2011.
23. Finlayson-Pitts, B. J. and Pitts, J. N.: Chemistry of the Upper and Lower Atmosphere, Academic Press, San Diego, California, USA, 5-6, 1999.
24. Frieß, U., Monks, P. S., Remedios, J. J., Rozanov, A., Sinreich, R., Wagner, T., and Platt, U.: MAX-DOAS O4 measurements: A new technique to derive information on atmospheric aerosols: 2. Modeling studies, J. Geophys. Res.-Atmos., 111, D14203, doi:10.1029/2005JD006618, 2006. (Pubitemid 46055343)
25. Grainger, J. F. and Ring, J.: Anomalous Fraunhofer Line Profiles, Nature, 193, 762, 1962.
26. Greenblatt, G. D., Orlando, J. J., Burkholder, J. B., and Ravis-hankara, A. R.: Absorption-Measurements of Oxygen between 330nm and 1140 nm, J. Geophys. Res.-Atmos., 95, 18577-18582, 1990.
27. Gupta, P. and Christopher, S. A.: Seven year particulate matter air quality assessment from surface and satellite measurements, At-mos. Chem. Phys., 8, 3311-3324, doi:10.5194/acp-8-3311-2008, 2008.
28. Harder, J. W. and Brault, J. W.: Atmospheric measurements of water vapor in the 442-nm region, J. Geophys. Res.-Atmos., 102, 6245-6252, 1997.
29. Hastie, D. R., Narayan, J., Schiller, C., Niki, H., Shepson, P. B., Sills, D. M. L., Taylor, P. A., Moroz, W. J., Drummond, J. W., Reid, N., Taylor, R., Roussel, P. B., and Melo, O. T.: Observational evidence for the impact of the lake breeze circulation on ozone concentrations in Southern Ontario, Atmos. Environ., 33, 323-335, 1999. (Pubitemid 28561866)
30. Hayden, K., Sills, D., Brook, J., Li, S., Makar, P., Markovic, M., Liu, P., Anlauf, K., O'Brien, J., Lin, Q., and McLaren, R.: Aircraft study of the impact of lake-breeze circulations on trace gases and particles during BAQS-Met 2007, Atmos. Chem. Phys., 11, 10173-10192, doi:10.5194/acp-11-10173-2011, 2011.
31. Heckel, A., Richter, A., Tarsu, T., Wittrock, F., Hak, C., Pundt, I., Junkermann, W., and Burrows, J. P.: MAX-DOAS measurements of formaldehyde in the Po-Valley, Atmos. Chem. Phys., 5, 909-918, doi:10.5194/acp-5-909-2005, 2005. (Pubitemid 40560469)
32. Heland, J., Schlager, H., Richter, A., and Burrows, J. P.: First comparison of tropospheric NO2 column densities retrieved from GOME measurements and in situ aircraft profile measurements, Geophy. Res. Lett., 29, 1983, doi:10.1029/2002GL015528, 2002.
33. Hendrick, F., Van Roozendael, M., Kylling, A., Petritoli, A., Rozanov, A., Sanghavi, S., Schofield, R., von Friedeburg, C., Wagner, T., Wittrock, F., Fonteyn, D., and De Maziére, M.: In-tercomparison exercise between different radiative transfer models used for the interpretation of ground-based zenith-sky and multi-axis DOAS observations, Atmos. Chem. Phys., 6, 93-108, doi:10.5194/acp-6-93-2006, 2006. (Pubitemid 43263649)
34. Holben, B. N., Eck, T. F., Slutsker, I., Tanre, D., Buis, J. P., Set-zer, A., Vermote, E., Reagan, J. A., Kaufman, Y. J., Nakajima, T., Lavenu, F., Jankowiak, I., and Smirnov, A.: AERONET-A federated instrument network and data archive for aerosol characterization, Remote Sens. Environ., 66, 1-16, 1998. (Pubitemid 29360424)
35. Holben, B. N., Tanre, D., Smirnov, A., Eck, T. F., Slutsker, I., Abuhassan, N., Newcomb, W. W., Schafer, J. S., Chatenet, B., Lavenu, F., Kaufman, Y. J., Castle, J. V., Setzer, A., Markham, B., Clark, D., Frouin, R., Halthore, R., Karneli, A., O'Neill, N. T., Pietras, C., Pinker, R. T., Voss, K., and Zibordi, G.: An emerging ground-based aerosol climatology: Aerosol optical depth from AERONET, J. Geophys. Res.-Atmos., 106, 12067-12097, 2001.
36. Hönninger, G., von Friedeburg, C., and Platt, U.: Multi axis differential optical absorption spectroscopy (MAX-DOAS), Atmos. Chem. Phys., 4, 231-254, doi:10.5194/acp-4-231-2004, 2004. (Pubitemid 39073759)
37. Irie, H., Kanaya, Y., Akimoto, H., Iwabuchi, H., Shimizu, A., and Aoki, K.: First retrieval of tropospheric aerosol profiles using MAX-DOAS and comparison with lidar and sky radiometer measurements, Atmos. Chem. Phys., 8, 341-350, doi:10.5194/acp-8-341-2008, 2008.
38. Irie, H., Kanaya, Y., Akimoto, H., Iwabuchi, H., Shimizu, A., and Aoki, K.: Dual-wavelength aerosol vertical profile measurements by MAX-DOAS at Tsukuba, Japan, Atmos. Chem. Phys., 9, 2741-2749, doi:10.5194/acp-9-2741-2009, 2009.
39. Jacob, D. J.: Introduction to Atmospheric Chemistry, Princeton University Press, Princeton N.J., 1999.
40. Kacenelenbogen, M., Léon, J.-F., Chiapello, I., and Tanré, D.: Characterization of aerosol pollution events in France using ground-based and POLDER-2 satellite data, Atmos. Chem. Phys., 6, 4843-4849, doi:10.5194/acp-6-4843-2006, 2006. (Pubitemid 44655684)
41. Koelemeijer, R. B. A., Homan, C. D., and Matthijsen, J.: Comparison of spatial and temporal variations of aerosol optical thickness and particulate matter over Europe, Atmos. Environ., 40, 5304-5315, 2006. (Pubitemid 44067516)
42. Kraus, S.: DOASIS, A Framework Design for DOAS, Ph.D. thesis, University of Heidelberg, Germany, 2006.
43. Kurucz, R. L., Furenlid, I. J., and Testerman, L.: Solar Flux Atlas from 296 to 1300 nm, National Solar Observatory, Tech. rep., 1984.
44. Ladstätter-Weißenmayer, A., Heland, J., Kormann, R., von Kuhlmann, R., Lawrence, M. G., Meyer-Arnek, J., Richter, A., Wittrock, F., Ziereis, H., and Burrows, J. P.: Transport and build-up of tropospheric trace gases during the MINOS campaign: comparision of GOME, in situ aircraft measurements and MATCH-MPIC-data, Atmos. Chem. Phys., 3, 1887-1902, doi:10.5194/acp-3-1887-2003, 2003.
45. Lee, H., Irie, H., Kim, Y. J., Noh, Y., Lee, C., Kim, Y., and Chun, K. J.: Retrieval of Aerosol Extinction in the Lower Troposphere Based on UV MAX-DOAS Measurements, Aerosol Sci. Tech-nol., 43, 502-509, 2009.
46. Levelt, P. F., den Oord, G. H. J. V., Dobber, M. R., Malkki, A., Visser, H., de Vries, J., Stammes, P., Lundell, J. O. V., and Saari, H.: The Ozone Monitoring Instrument, IEEE T. Geosci. Remote, 44, 1093-1101, 2006.
47. Levy, R. C., Remer, L. A., and Dubovik, O.: Global aerosol optical properties and application to Moderate Resolution Imaging Spectroradiometer aerosol retrieval over land, J. Geophys. Res.-Atmos., 112, D13210, doi:10.1029/2006JD007815, 2007. (Pubitemid 47408381)
48. Li, X., Brauers, T., Shao, M., Garland, R. M., Wagner, T., Deutschmann, T., and Wahner, A.: MAX-DOAS measurements in southern China: retrieval of aerosol extinctions and validation using ground-based in-situ data, Atmos. Chem. Phys., 10, 2079-2089, doi:10.5194/acp-10-2079-2010, 2010.
49. Lyons, W. A. and Cole, H. S.: Fumigation and Plume Trapping on the Shores of Lake Michigan During Stable Onshore Flow, J. Appl. Meteorol., 12, 494-510, 1973.
50. Martin, R. V., Chance, K., Jacob, D. J., Kurosu, T. P., Spurr, R. J. D., Bucsela, E., Gleason, J. F., Palmer, P. I., Bey, I., Fiore, A. M., Li, Q., Yantosca, R. M., and Koelemeijer, R. B. A.: An improved retrieval of tropospheric nitrogen dioxide from GOME, J. Geophys. Res., 107, 4437, doi:10.1029/2001JD001027, 2002.
51. Martin, R. V., Jacob, D. J., Chance, K., Kurosu, T. P., Palmer, P. I., and Evans, M. J.: Global inventory of nitrogen oxide emissions constrained by space-based observations of NO2 columns, J. Geophys. Res., 108, 4537, doi:10.1029/2003JD003453, 2003.
52. Martin, R. V., Sioris, C. E., Chance, K., Ryerson, T. B., Bertram, T. H., Wooldridge, P. J., Cohen, R. C., Neuman, J. A., Swanson, A., and Flocke, F. M.: Evaluation of space-based constraints on global nitrogen oxide emissions with regional aircraft measurements over and downwind of eastern North America, J. Geophys. Res., 111, D15308, doi:10.1029/2005JD006680, 2006. (Pubitemid 46029013)
53. McGuire, M. L., Jeong, C. H., Slowik, J. G., Chang, R. Y. W., Corbin, J. C., Lu, G., Mihele, C., Rehbein, P. J. G., Sills, D. M. L., Abbatt, J. P. D., Brook, J. R., and Evans, G. J. Elucidating determinants of aerosol composition through particle-type-based receptor modeling, Atmos. Chem. Phys., 11, 8133-8155, doi:10.5194/acp-11-8133-2011, 2011.
54. McLaren, R., Salmon, R. A., Liggio, J., Hayden, K. L., Anlauf, K. G., and Leaitch, W. R.: Nighttime chemistry at a rural site in the Lower Fraser Valley, Atmos. Environ., 43, 5847-5852, 2004.
55. McLaren, R., Wojtal, P., Majonis, D., McCourt, J., Halla, J. D., and Brook, J.: NO3 radical measurements in a polluted marine environment: links to ozone formation, Atmos. Chem. Phys., 10, 4187-4206, doi:10.5194/acp-10-4187- 2010, 2010.
56. MOE: Ministry of the Environment, Ontario (MOE): Air Quality in Ontario 2005 Report and Appendix, available online at: http://www.ene.gov.on.ca/ environment/en/resources/STD01 076445.html, last access: 25 November 2011, 2011.
57. Müller, J. F.: Geographical-Distribution and Seasonal-Variation of Surface Emissions and Deposition Velocities of Atmospheric Trace Gases, J. Geophys. Res.-Atmos., 97, 3787-3804, 1992.
58. NASA: NASA Goddard Space Flight Center LAADS Web-Level 1 and Atmosphere Archive and Distribution System, available online at: http://ladsweb.nascom. nasa.gov/, last access: 25 November 2011, 2010a.
59. NASA: NASA Goddard Space Flight Center Aura Validation Data Center, available online at: http://avdc.gsfc.nasa.gov/, 25 November 2011, 2010b.
60. NASA: NASA Goddard Space Flight Center AERONET-Aerosol Robotic Network, available at: http://aeronet.gsfc.nasa.gov/, last access: 25 November 2011, 2010c.
61. Pelletier, B., Santer, R., and Vidot, J.: Retrieving of par-ticulate matter from optical measurements: A semipara-metric approach, J. Geophys. Res.-Atmos., 112, D06208, doi:10.1029/2005JD006737, 2007. (Pubitemid 46824901)
62. Perliski, L. M. and Solomon, S.: On the Evaluation of Air-Mass Factors for Atmospheric Near-Ultraviolet and Visible Absorption-Spectroscopy, J. Geophys. Res.-Atmos., 98, 10363-10374, 1993.
63. Plane, J. M. C. and Smith, N.: Atmospheric Monitoring By Differential Optical Absorption Spectroscopy, vol. 24 of Spectroscopy in Environmental Science, John Wiley & Sons, Inc., West Sussex, UK, Chapter 5, p. 223, 1995.
64. Platt, U.: Differential Optical Absorption Spectroscopy (DOAS), vol. 127 of Air Monitoring by Spectroscopic Technique, Chemical Analysis Series, John Wiley & Sons, Inc., Hoboken, NJ, USA, p. 27, 1994.
65. Platt, U. and Perner, D.: Direct Measurements of Atmospheric CH2O, HNO2, O3, NO2, and SO2 by Differential Optical Absorption in the Near UV, J. Geophys. Res., 85, 7453-7458, 1980.
66. Platt, U. and Stutz, J.: Differential Optical Absorption Spec-troscopy: Principles and Applications, Springer, Berlin, Heidelberg, Germany, 2008.
67. Reid, N. W., Niki, H., Hastie, D., Shepson, P., Roussel, P., Melo, O., Mackay, G., Drummond, J., Schiff, H., Poissant, L., and Moroz, W.: The southern Ontario oxidant study (SONTOS): Overview and case studies for 1992, Atmos. Environ., 30, 2125-2132, 1996.
68. Schaap, M., Apituley, A., Timmermans, R. M. A., Koelemeijer, R. B. A., and de Leeuw, G.: Exploring the relation between aerosol optical depth and PM2.5 at Cabauw, the Netherlands, Atmos. Chem. Phys., 9, 909-925, doi:10.5194/acp-9-909-2009, 2009.
69. Sills, D. M. L., Brook, J. R., Levy, I., Makar, P. A., Zhang, J., and Taylor, P. A.: Lake breezes in the southern Great Lakes region and their influence during BAQS-Met 2007, Atmos. Chem. Phys., 11, 7955-7973, doi:10.5194/acp-11-7955-2011, 2011.
70. Sinreich, R., Friess, U., Wagner, T., and Platt, U.: Multi axis differential optical absorption spectroscopy (MAX-DOAS) of gas and aerosol distributions, Faraday Discuss., 130, 153-164, 2005. (Pubitemid 41223683)
71. Solomon, S., Schmeltekopf, A. L., and Sanders, R. W.: On the Interpretation of Zenith Sky Absorption Measurements, J. Geophys. Res., 92, 8311-8319, 1987.
72. Strawbridge, K. B., and Synder, B. J.: Planetary boundary layer height determination during Pacific 2001 using the advantage of a scanning lidar instrument, Atmos. Environ., 38, 5861-5871, 2004. (Pubitemid 39277952)
73. Torres, O., Bhartia, P. K., Herman, J. R., Ahmad, Z., and Gleason, J.: Derivation of aerosol properties from satellite measurements of backscattered ultraviolet radiation: Theoretical basis, J. Geo-phys. Res.-Atmos., 103, 17099-17110, 1998.
74. UWYO: University of Wyoming (UWYO), College of Engineering, Department of Atmospheric Science Atmospheric Soundings, available online at: http://weather.uwyo.edu/upperair/sounding. html, last access: 25 November 2011, 2010.
75. Vandaele, A. C., Hermans, C., Simon, P. C., Carleer, M., Colin, R., Fally, S., Merienne, M. F., Jenouvrier, A., and Co-quart, B.: Measurements of the NO2 absorption cross-section from 42 000 cm-1 to 10000 cm-1 (238-1000 nm) at 220 K and 294 K, J. Quant. Spectrosc. Ra., 59, 171-184, 1998. (Pubitemid 128397850)
76. Wagner, T., von Friedeburg, C., Wenig, M., Otten, C., and Platt, U.: UV-visible observations of atmospheric O4 absorptions using direct moonlight and zenith-scattered sunlight for clear-sky and cloudy sky conditions, J. Geophys. Res.-Atmos., 107, 4424, doi:10.1029/2001JD001026, 2002.
77. Wagner, T., Dix, B., von Friedeburg, C., Friess, U., Sanghavi, S., Sinreich, R., and Platt, U.: MAX-DOAS O4 measurements: A new technique to derive information on atmospheric aerosols-Principles and information content, J. Geophys. Res.-Atmos., 109, D22205, doi:10.1029/2004JD004904, 2004. (Pubitemid 40294871)
78. Wagner, T., Burrows, J. P., Deutschmann, T., Dix, B., von Friede-burg, C., Frieß, U., Hendrick, F., Heue, K.-P., Irie, H., Iwabuchi, H., Kanaya, Y., Keller, J., McLinden, C. A., Oetjen, H., Palazzi, E., Petritoli, A., Platt, U., Postylyakov, O., Pukite, J., Richter, A., van Roozendael, M., Rozanov, A., Rozanov, V., Sinreich, R., Sanghavi, S., and Wittrock, F.: Comparison of box-air-mass-factors and radiances for Multiple-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) geometries calculated from different UV/visible radiative transfer models, At-mos. Chem. Phys., 7, 1809-1833, doi:10.5194/acp-7-1809-2007, 2007. (Pubitemid 46615536)
79. Wagner, T., Deutschmann, T., and Platt, U.: Determination of aerosol properties from MAX-DOAS observations of the Ring effect, Atmos. Meas. Tech., 2, 495-512, doi:10.5194/amt-2-495-2009, 2009.
80. Wagner, T., Beirle, S., Brauers, T., Deutschmann, T., Frieß, U., Hak, C., Halla, J.D., Heue, K. P., Junkermann, W., Li, X., Platt, U., and Pundt-Gruber, I.: Inversion of tropospheric profiles of aerosol extinction and HCHO and NO2 concentrations from MAX-DOAS observations in Milano in summer 2003 and comparison with independent data sets, Atmos. Meas. Tech. Discuss., 4, 3891-3964, doi:10.5194/amtd-4-3891-2011, 2011.
81. Wang, J. and Christopher, S. A.: Intercomparison between satellite-derived aerosol optical thickness and PM2.5 mass: Implications for air quality studies, Geophys. Res. Lett., 30, 2095, doi:10.1029/2003GL018174, 2003.
82. Wenig, M. O., Cede, A. M., Bucsela, E. J., Celarier, E. A., Boersma, K. F., Veefkind, J. P., Brinksma, E. J., Gleason, J. F., and Herman, J. R.: Validation of OMI tropospheric NO2 column densities using direct-Sun mode Brewer measurements at NASA Goddard Space Flight Center, J. Geophys. Res.-Atmos., 113, D16S45, doi:10.1029/2007JD008988, 2008.
83. Wittrock, F., Oetjen, H., Richter, A., Fietkau, S., Medeke, T., Rozanov, A., and Burrows, J. P.: MAX-DOAS measurements of atmospheric trace gases in Ny-A? lesund-Radiative transfer studies and their application, Atmos. Chem. Phys., 4, 955-966, doi:10.5194/acp-4-955-2004, 2004. (Pubitemid 39239245)
84. Zieger, P., Weingartner, E., Henzing, J., Moerman, M., de Leeuw, G., Mikkilä, J., Ehn, M., Petäjä, T., Clémer, K., van Roozen-dael, M., Yilmaz, S., Frieß, U., Irie, H., Wagner, T., Shaigan-far, R., Beirle, S., Apituley, A., Wilson, K., and Baltensperger, U.: Comparison of ambient aerosol extinction coefficients obtained from in-situ, MAX-DOAS and LIDAR measurements at Cabauw, Atmos. Chem. Phys., 11, 2603-2624, doi:10.5194/acp-11-2603-2011, 2011.