Conference Proceedings, Talks and Poster contributions

    2013

  1. S. Coburn, B. Dix, L. Gonzalez, I. Ortega, R. Sinreich, R. Thalman, E. Waxman, R. Volkamer. Eddy Covariance Flux Measurements of Glyoxal Over the Tropical Pacific Ocean during TORERO 2012, (Talk) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA
  2. R. Volkamer, S. Wang, B. Dix, S. Coburn, B. Pierce, R. Hornbrook, E. Apel, M. Evans, R.-S. Gao and Team TORERO. BrO Detection in the Tropical Troposphere, (Talk) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA
  3. I. Ortega, S. Coburn, E. Kassianov, J. Barnard, L. Berg, C. Hostetler, J. Hair, R. Ferrare, G. Hodges K. Lantz, R. Volkamer. Retrieval of Aerosol Microphysical Properties by 2D-MAX-DOAS, (Talk) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA
  4. B. Dix, R. Thalman, and R. Volkamer. O4 Band Shape Effects Near the Tropical Tropopause: Comparison with new O4 Cross Section Spectra and Predicted O4 SCDs, (Talk) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA
  5. E. Waxman, N. Goss, T. Koenig, R. Thalman, R. Volkamer. Separation of 12C and 13C Glyoxal by In-situ CE-DOAS Measurements Under Simulated Atmospheric Conditions, (Talk) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA
  6. R. Sinreich, I. Ortega, R. Volkamer. Sensitivity Study of Glyoxal Retrievals at Different Wavelength Ranges, (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  7. S. Coburn, S. Baidar, I. Ortega, R. Sinreich, R.M. Volkamer. Increasing the Degrees of Freedom of Ground Based MAX-DOAS, (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  8. B. Dix and R. Volkamer. Parameterization Approach to Convert AMAX-DOAS dSCDs into Volume Mixing Ratios Along TORERO Flight Tracks, (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  9. S. Baidar, H. Oetjen, C. Senff, R. Alvarez, M. Hardesty, A. Langford, S.-W. Kim, M. Trainer, and R. Volkamer. Observation of a Reverse Ozone Weekend Effect in the South Coast Air Basin (SoCAB) During Summer 2010, (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  10. S. Baidar, R. Volkamer, R. Alvarez, A. Brewer, F. Davies, A. Langford, H. Oetjen, G. Person, C. Senff, and M. Hardesty. Combining Active and Passive Airborne Remote Sensing to Quantify NO2 and Ox Production near Bakersfield, CA, (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  11. H. Oetjen, S. Baidar, M. Lechner, N.A. Krotkov, L.N. Lamsal, R.J. Alvarez II, S.-W. Kim, C.J. Senff, R. Volkamer. Airborne MAX-DOAS Measurements Over California: Testing the NASA OMI Tropospheric NO2 Product. , (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA
  12. R. Sinreich, S. Baidar, S. Coburn, B. Dix, I. Ortega, and R. Volkamer. Intercomparison of AMAX-, SMAX-, and CE-DOAS Measurements During TORERO (Research Flight 17) , (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  13. I. Ortega, R. Sinreich, T. Wagner, R. Volkamer. 2D-MAX-DOAS Measurement of 3-Dimensional Trace Gas Distributions and Aerosol Profiles During MAD-CAT , (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA
  14. C. Kampf, E. Waxman, J. Slowik, J. Dommen, A. Prevot, T. Hoffmann, R. Volkamer. Effective Henry's Law Constant Measurements for Glyoxal in Model Aerosols Containing Sulfate , (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  15. R. Thalman and R. Volkamer. Temperature Dependent Absorption Cross-Sections of O2-O2 Collision Pairs Between 340 and 630 nm and at Atmospherically Relevant Pressure , (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  16. R. Thalman, S. Ball, M.T. Baeza-Romero, E. Borras, M. Daniels, I. Goodall, S. Henry, T. Karl, F. Keutsch, S. Kim, J. Mak, P. Monks, A. Munoz, J. Orlando, S. Peppe, A. Rickard, M. Rodenas, P. Sanchez, R. Seco, L. Su, G. Tyndall, M. Vazquez, E. Waxman, and R.M. Volkamer. Inter-comparison of Glyoxal and Methyl Glyoxal Measurement Techniques Under Simulated Atmospheric Conditions , (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  17. N.R. Goss, R. Thalman, G.S. Tyndall, J.W. Hannigan, R. Volkamer. High Resolution Absorption Spectra of Disubstituted 12C and 13C Glyoxal at UV-Visible Wavelengths , (Poster) International DOAS Workshop August 12-14, 2013 Boulder, CO, USA (.ppt)
  18. 2007

  19. Barnard, J.C., R. Volkamer, E.I. Kassianov, Estimation of the Mass Absorption Cross Section of the Organic Carbon Component of Aerosols in the Mexico City Metropolitan Area (MCMA), Session A32 (ORAL). Americal Geophysical Uunion Annual Fall Meeting. December 10-14, 2007 San Francisco, CA, USA.
  20. Dusanter, S., D. Vimal, P.S. Stevens, R. Volkamer, L.T. Molina, Hydroxyl and Hydroperoxy Radical Chemistry during the MCMA-2006 Field Campaign: Measurement and Model Comparison, Session A22 (ORAL). Americal Geophysical Uunion Annual Fall Meeting. December 10-14, 2007 San Francisco, CA, USA.
  21. Lei, W., M. Zavala, B. de Foy, R Volkamer, M J Molina, L T Molina, Impacts of primary formaldehyde on the photochemistry in Mexico City, Session A21 (ORAL). Americal Geophysical Uunion Annual Fall Meeting. December 10-14, 2007 San Francisco, CA, USA.
  22. Volkamer, R., P.M. Sheehy, L Molina, M J Molina, Radical production as a controlling factor for oxidant fields and secondary organic aerosol production in the polluted atmosphere, Session A21 (ORAL). Americal Geophysical Uunion Annual Fall Meeting. December 10-14, 2007 San Francisco, CA, USA.
  23. Dzepina, K., J.L. Jimenez, R. Volkamer, A. Aiken, J.A. Huffman, Evaluation of New Secondary Organic Aerosol Formation Models Based on Mexico City Field Measurements (ORAL), Americal Geophysical Uunion Annual Fall Meeting. December 10-14, 2007 San Francisco, CA, USA.
  24. Dzepina, K., P. Tulet, R. J. Griffin, R. Volkamer, J. L. Taylor, S. Madronich, B. Aumont, M. Camredon, I. Ulbrich, Q. Zhang, and J. L. Jimenez, Comparison of Several Secondary Organic Aerosol (SOA) Models for a Mexico City case study of April 9, 2003, American Association for Aerosol Research 26th Annual Conference. September 24-28, 2007, Reno, NV, USA.
  25. Volkamer, R., P. Ziemann, M.J. Molina, J.L. Jimenez, K. Gaeggeler, Field and Laboratory Evidence for Glyoxal Uptake to Aerosols: Atmospheric Relevance as SOA source, Gordon Research Conference “Atmospheric Chemistry”, 26-31 Aug 2007, Big Sky, MT, USA.
  26. Beirle, S., R. Volkamer, U. Platt, T. Wagner, Satellite Observations of Glyoxal, “Atmospheric Composition Change” ACCENT 2nd Symposium, July 23-27, 2007, Urbino, Italy.
  27. Volkamer, R.; Sheehy, P.M.; L.T. Molina, R. Sinreich, A. Merten, U. Platt, T. Wagner, J. Barnard, Radical production in the near field chemical regime during MILAGRO, Eos Trans. AGU, 88(23), Jt. Assem. Suppl., Abstract A23C-05, May 22-25, 2007, Acapulco, Mexico.
  28. Sheehy, P.M.; R. Volkamer; A. Merten; A. Baker; D.R. Blake; E. Fortner; J. Zheng; R. Zhang; L.T. Molina; Spatial Variability and a Quality Assurance Check of VOC Measurements During MILAGRO, Eos Trans. AGU, 88(23), Jt. Assem. Suppl., Abstract A32A-04, May 22-25, 2007, Acapulco, Mexico.
  29. Garcia, A.R.; Grutter, M.; Volkamer, R.; Risk Assessment for Criteria Pollutants and Air Toxics in two Sites of Mexico City During 2003 Field Campaign, Eos Trans. AGU, 88(23), Jt. Assem. Suppl., Abstract A33A-09, May 22-25, 2007, Acapulco, Mexico.
  30. Lei, W.; deFoy, B.; Zavala, M.; Volkamer, R.; Molina, L.T.; Characterizing Ozone Production in Mexico City Using a Chemical Transport Model, Eos Trans. AGU, 88(23), Jt. Assem. Suppl., Abstract A43A-03, May 22-25, 2007, Acapulco, Mexico.
  31. Volkamer, R.; R. Sinreich, A. Merten, U. Platt, S. Beirle, T. Wagner, P. Sheehy, L.T. Molina, J. Barnard, D. McCabe, P. Wennberg; Vertical column observations of HONO, NO2, HCHO and Glyoxal during MCMA-2006: linking ground-, aircraft- and satellite-based observations. 2nd MILAGRO Science Meeting, Secretaria Relaciones Exteriores, May 15-18, 2007, Mexico City, Mexico.
  32. Chance, K., T. P. Kurosu, R. Volkamer, Measurements of HCHO, CHOCHO, and BrO from the Ozone Monitoring Instrument on EOS Aura. 2007 Envisat Symposium, April 25, 2007, Montreaux, Switzerland.
  33. Kurosu, T.P., K. Chance, X. Liu, R. Volkamer, T.M. Fu, D. Millet, D.J. Jacob, P. Levelt; Seasonally resolved global distributions of glyoxal and formaldehyde observed from the Ozone Monitoring Instrument on EOS Aura. XIII Simposio Brasileiro de sensoriamento remoto. April 21-26, 2007, Florianopolis, Brazil.
  34. Gaeggeler, K.; Dommen, J.; Prevot, A.S.H; Baltensperger, U.; Merten, A.; Platt, U.; Molina, L.T.; Volkamer, R., Online IC-MS measurements of organic acids in aerosols and gas phase in Mexico City. AS3.12-1TH2P-0186, General Assembly of the European Geophysical Union, April 15-20, 2007, Vienna, Austria.
  35. Sinreich, R.; Wagner, T.; Merten, A.; Platt, U.; Sheehy, P.; Molina, L.; Volkamer, R., MAX-DOAS Measurements of HONO during MCMA-2006, AS3.12-1WE5O-001 , General Assembly of the European Geophysical Union, April 15-20, 2007, Vienna, Austria.
  36. Merten, A.M.; Platt, U.; Sheehy, P.; Volkamer, R.; Molina, L.T.; Long-Path-DOAS measurements of aromatics,polyaromatics and HOx precursors in Mexico City, AS3.12-1TH2P-0177, General Assembly of the European Geophysical Union, April 15-20, 2007, Vienna, Austria.
  37. Noda, J; Volkamer, R; Molina, M.J., BTX dealkylation: a novel pathway in the OH initiated oxidation of aromatics, AS3.01-1FR2O-005, General Assembly of the European Geophysical Union, April 15-20, 2007, Vienna, Austria.
  38. Sinreich, R.; Wagner, T.; Merten, A.; Platt, U.; Sheehy, P.; Molina, L.; Volkamer, R., MAX-DOAS Measurements of HONO during MCMA-2006, 71. Jahrestagung der Deutschen Physikalischen Gesellschaft, March 26-30, 2007, Regensburg, Germany.
  39. 2006

  40. Kurosu, T.P.; Fu, T.M.; Volkamer, R.; Millet, D.B.; Chance, K.; Global and Seasonal Distributions of CHOCHO and HCHO Observed by the Ozone Monitoring Instrument on EOS Aura. Session A16 (ORAL). December 11-15, 2006 San Francisco, CA, USA.
  41. Volkamer, R. Kurosu, T.P.; Chance, K.; Li, Z.; Zhang, Y.; Brauers, T.; Wahner, A.; Spatial Variability of Glyoxal and Formaldehyde during PRD-2006: Comparison of mobile Mini-MAX-DOAS and OMI satellite data in the Pearl River Delta, China. Session A16 (POSTER). December 11-15, 2006 San Francisco, CA, USA.
  42. Sheehy, P.; Volkamer, R.; Velasco, E.; Alexander, M.L.; Jobson, T.; Lamb, B.; Molina, L.T.; Assessing the Oxidative Capacity of the Atmosphere: MCMA-2003 as a Case Study. Session A18 (POSTER). December 11-15, 2006 San Francisco, CA, USA.
  43. Volkamer, R.; San Martini, F.; Dzepina, K.; Zhang, Q.; Ulbrich, I.; Salcedo, D.; Worsnop, D.; Molina, L.T.; Jiménez, J.L.; Ziemann, P.; Secondary Organic Aerosol Formation from Anthropogenic Air Pollution: Rapid and Higher than Expected. Session A18 (ORAL). December 11-15, 2006 San Francisco, CA, USA.
  44. Beirle, S.; Volkamer, R.; Wittrock, W.; Richter, A.; Burrows, J.P.; Platt, U.; Wagner, T.; Global Emissions Inventory Activity (GEIA) 2006 Open Conference, Nov. 29 - Dec. 1, Paris, France.
  45. Volkamer, R.; K. Docherty; J.L. Jimenez; K. Prather; P. Zieman; M.J. Molina. The role of volatile carbonyls like glyoxal in the formation of Secondary Organic Aerosol. 7th International Aerosol Conference. September 10-15 2006, St. Paul, Minnesota.
  46. D. Salcedo, A.C. Aiken, T. B. Onasch, K. Dzepina, J.A. Huffman, K. Docherty, I. Ulbrich, M. Cubison, D. Worsnop, M. R. Canagaratna, Q. Zhang, P. F. DeCarlo, J. T. Jayne, P. Mortimer, C. E. Kolb, R. Volkamer, L. T. Molina, M. J. Molina, W. Brune, R. Lesher, T. Shirley, and J.L. Jiménez. Ambient aerosol measurements in Mexico City during the MCMA-2003 and MILAGRO field campaigns using Aerosol Mass Spectrometry. 7th International Aerosol Conference. September 10-15 2006, St. Paul, Minnesota.
  47. Dzepina K., Q. Zhang, D. Salcedo, M.J. Dunn, J.L. Jimenez, J.S. Gaffney, N.A. Marley, T.B. Onasch, M.R. Canagaratna, D.R. Worsnop, R. Volkamer, B. de Foy, L.T. Molina, M.J. Molina, J. Smith. Size, time and composition-resolved aerosol measurements in Mexico City during the MCMA-2003 field campaign: The organic component. 7th International Aerosol Conference. September 10-15 2006, St. Paul, Minnesota.
  48. Kurosu, T.P.; Chance, K.; Volkamer, R.; Global Measurements of Formaldehyde and Glyoxal from the Ozone Monitoring Instrument. Air Quality session. AURA Validation Workshop, 2006.
  49. Chance, K.; Kurosu, T.P.; Volkamer, R.; Global measurements of OClO, BrO, HCHO, and CHO-CHO from the Ozone Monitoring Instrument on EOS Aura. Poster presentation; 36th COSPAR Scientific Assembly, Beijing, China, 16 - 23 July 2006.
  50. Volkamer, R.; Is Secondary Organic Aerosol Formation from Anthropogenic Pollution controlled by physical or chemical processes? AAAS Pacific Division session on Organic Chemistry (Invited speaker). University of San Diego, June 19, 2006, San Diego, CA, USA.
  51. Beirle, S.; R. Volkamer; U. Platt; T. Wagner. DOAS retrieval of Glyoxal from space. Atmospheric Science Conference, May 8 – 12 2006, Frascati, Italy.
  52. Kurosu, T.; K. Chance; S. Carn; R. Volkamer. Measurement of Tropospheric BrO, HCHO, and Glyoxal from the Ozone Monitoring Instrument on Board of EOS Aura. Atmospheric Science Conference, May 8 – 12 2006, Frascati, Italy.
  53. Sinreich, R..; R. Volkamer; U. Platt; T. Wagner. MAX-DOAS retrieval of vertical profiles during the ICARTT-2004 campagin. General Assembly of the European Geophysical Union, April 2006, Vienna, Austria.
  54. Beirle, S.; R. Volkamer; U. Platt; T. Wagner. DOAS retrieval of Glyoxal from space. General Assembly of the European Geophysical Union, April 2006, Vienna, Austria.
  55. Volkamer, R.; P. Zieman; J.L. Jimenez; K. Docherty; K. Prather; K. Denkenberger; M.J. Molina. Anthropogenic Air Pollution enhanced formation of Secondary Organic Aerosol. 23rd Informal Symposium on Kinetics and Photochemical Processes in the Atmosphere, February 15, 2006, CALTECH, Pasadena, CA, USA.
  56. 2005

  57. Kurosu, T.P.; Chance, K.; Volkamer, R.; Global Measurements of OClO, BrO, HCHO, and CHO-CHO from the Ozone Monitoring Instruments on EOS Aura. Eos Trans. AGU, Fall Meet. Suppl., Abstract A54B-01 (ORAL). December 5-9, 2005 San Francisco, CA, USA.
  58. Prather, K.A.; K. Denkenberger; X. Qin; M. Spencer; J. Holecek; R. Moffet; G. Poon; L. Shields; R. Volkamer, Direct measurements of the mixing state of ambient aerosols using single particle mass spectrometry. 24th Annual AAAR Conference, October 17-21, 2005, Austin, TX, USA.
  59. Volkamer,R.; San Martini, F.; Molina, M.J.; Molina, L.T.; Worsnop, D.; Salcedo, D.; Dzepina, K.; Zhang, Q.; Jimenez, J.L.; Anthropogenic Air Pollution Enhanced formation of SOA during MCMA-2003, Poster presentation at Gordon Research Conference “Atmospheric Chemistry” September 4-9, 2005, Bozeman, MT, USA.
  60. Volkamer, R., Molina, L. T., Molina, M. J., Flores, E., Grutter, M., Galle, B., Mellqvist, J., Samuelsson, J., Knighton, B. and Jobson, B. T., Open-path emission factors derived from DOAS and FTIR Measurements in the Mexico City Metropolitan Area, Proc. of "Air Pollution as a Climate Forcing: A Second Workshop", April 4-6, 2005, Honolulu, Hawaii, USA Agenda
  61. 2004

  62. Volkamer, R.; Barnes, I.; Platt, U.; Molina, L.T.; Molina, M.J.; Remote Sensing of Glyoxal by Differential Optical Absorption Spectroscopy (DOAS): Advancements in Simulation Chamber and Field Experiments, NATO Sciences Series, IV. Earth and Environmental Sciences, Vol. 62 “Environmental Simulation Chambers: Application to Atmospheric Chemical Processes”, Rudzinski, K.; Barnes, I. (Eds.), Kluwer Academic Publishers, Dordrecht, The Netherlands.
  63. Lamb, B K; Velasco, E; Allwine, E; Pressley, S; Westberg, H; Knighton, B; Rogers, T; Grimsrud, E; Jobson, T; Alexander, M; Prazeller, P; Volkamer, R; de Foy, B; Molina, L; Molina, M; Grutter, M; Bueno, E; Blanco, S; Wohrnschimmel, H; Cardenas, B; Arriaga, J L; Limon, M T; Escalona, S; Iglesias, G S; Doskey, P; Gaffney, J; Ambient VOC Concentration and Emission Measurements during the MCMA 2002 and 2003 Field Campaigns. AGU, 85(47), Fall Meet. Suppl., Abstract A13E-01 (INVITED TALK). December 13-17, 2004 San Francisco, CA, USA.
  64. Brune, W; Shirley, T; Lesher, R; Mao, J; Volkamer, R; Molina, L; Molina, M; Velasco, E; Westberg, H; Lamb, B; Jobson, T; Alexander, M; Gonzalez, B C; Mexico City's active photochemistry: conclusions from the MCMA-2003 study. AGU, 85(47), Fall Meet. Suppl., Abstract A13E-02 (INVITED TALK). December 13-17, 2004 San Francisco, CA, USA.
  65. Jimenez, J L; Dzepina, K; Zhang, Q; Dunn, M; DeCarlo, P; Huffman, J; Salcedo, D; Onasch, T; Worsnop, D R; Kolb, C E; Mortimer, P; Jayne, J T; Canagaratna, M R; Volkamer, R; Johnsson, K; Zuberi, B; de Foy, B ; Frey, S; Molina, M; Molina, L T; Marr, L; Arey, J; Cardenas, B; Brune, W H; Smith, J; McMurry, P; Gaffney, J; Marley, N; Laskin, A; Cowin, J; Bernabe, R; Blanco, S; Marquez, C; Angeles, F; Overview of Measurements of Particle Emissions and Ambient Concentrations in Mexico City during the MCMA-2003 Field Campaign. AGU, 85(47), Fall Meet. Suppl., Abstract A13E-03 (INVITED TALK). December 13-17, 2004 San Francisco, CA, USA.
  66. Barnard, J; Kassianov, E; Volkamer, R; Molina, L.T; Molina, M.J; Evidence of NO2 Contamination of Aerosol Single Scattering Albedo Retrievals Made During the MCMA Field Campaign of 2003, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A24A-03 (TALK). December 13-17, 2004 San Francisco, CA, USA.
  67. Volkamer, R; Molina, L T; Molina, M J; Shirley, T; Lesher, R; Brune, W; Dzepina, K; Jimenez, J; Remote Sensing of Glyoxal as a New Atmospheric Tracer for VOC Chemistry and Secondary Organic Aerosol Formation in the Mexico City Metropolitan Area, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A14A-07 (TALK). December 13-17, 2004 San Francisco, CA, USA.
  68. Garcia, A.R.; Volkamer, R.; Galle, B.; Samuelsson, J.; Mellqvist, J.; Molina, L.T. Molina, M.J.; Herndon, S; Kolb, C E; Separation of Emitted and Photochemical Formaldehyde in the Mexico City Metropolitan Area using a Statistical Analysis and a New Pair of Gas-phase Tracers. Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A14A-08 (TALK). December 13-17, 2004 San Francisco, CA, USA.
  69. Salcedo, D; Dzepina, K; Huffman, A; De Carlo, P; Onasch, T B; Mortimer, P; Jayne, J T; Canagaratna, M; Worsnop, D R; Marr, L; Molina, L T; Molina, M J; Cardenas, B; Bernabe, R M; Marquez, C; Gaffney, J S; Marley, N; Volkamer, R; Zuberi, B; Brune, W; Lesher, R; Shirley, T; Jimenez, J L; Characterization of Ambient Aerosols in Mexico City during the MCMA-2003 Campaign using an Aerosol Mass Spectrometer: Overall Trends and the Inorganic Component. AGU, 85(47), Fall Meet. Suppl., Abstract A23D-08 (TALK). December 13-17, 2004 San Francisco, CA, USA.
  70. Jobson, B T; Alexander, M L; Prazeller, P; Berkowitz, C M; Volkamer, R; Molina, L T; Westberg, H; Lamb, B; Velasco, E; Allwine, E; Hydrocarbon Measurements during the MCMA2003 Field Experiment: Intercomparison and Analysis. AGU, 85(47), Fall Meet. Suppl., Abstract A11A-0001 (POSTER). December 13-17, 2004 San Francisco, CA, USA.
  71. Flores, E; Grutter, M; Galle, B; Mellqvist, J; Samuelsson, J; Knighton, B; Jobson, B T; Volkamer, R; Molina, L T; Molina, M J; Open-path Emission Factors Derived from DOAS and FTIR Measurements in the Mexico City Metropolitan Area, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A11A-0003 (POSTER). December 13-17, 2004 San Francisco, CA, USA.
  72. Dunlea, E; Volkamer, R; Johnson, K S; Zavala, M; Molina, L T; Molina, M J; Lamb, B; Allwine, E; Rogers, T; Knighton, B; Grutter, M; Gaffney, J S; Marley, N A; Herndon, S C; Zahniser, M S; Jayne, J; Shorter, J H; Wormhoudt, J C; Kolb, C E; Nitrogen Oxides (NOy) in the Mexico City Metropolitan Area, Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A14A-05 (POSTER). December 13-17, 2004 San Francisco, CA, USA.
  73. Molina, M.J; Dunlea, E J; Molina, L T; Volkamer, R; Lamb, B; Allwine, E; Herndon, S C; Zahniser, M S; Shorter, J H; Wormhoudt, J C; Kolb, C E; Marley, N; Gaffney, J; Evaluation of Standard Measurement Techniques for Gas Phase Ozone and Nitrogen Dioxide in a Polluted Urban Environment, Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A11A-0006 (POSTER). December 13-17, 2004 San Francisco, CA, USA.
  74. Samuelsson, J; Mellqvist, J; Galle, B; de Foy, B; Garcia, A; Molina, L T; Molina, M J; Volkamer, R; Flores, E; Grutter, M; Mobile IR- and UV-Spectroscopic Measurements of CO, SO2 and VOC in Megacities. AGU, 85(47), Fall Meet. Suppl., Abstract A14A-09 (POSTER). December 13-17, 2004 San Francisco, CA, USA.
  75. Wagner, T; Filsinger, F; Kern, C; Platt, U; Sebastian, O; Sinreich, R; Volkamer, R. MAX-DOAS measurement of Glyoxal at the MIT in Cambridge during the NEAQS-ITCT 2004 Campaign. Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A11A-0011 (POSTER). December 13-17, 2004 San Francisco, CA, USA.
  76. Dzepina, K; Zhang, Q; Dunn, M; DeCarlo, P; Huffman, A; Jimenez, J; Onasch, T; Mortimer, P; Jayne, J; Canagaratna, M; Worsnop, D; Gaffney, J; Marley, N; Volkamer, R; de Foy, B; Frey, S; Johnson, K; Zuberi, B; Molina, L T; Molina, M J; Bernabe, R; Marquez, C; Blanco, S; Angeles, F; Cardenas, B; Shirley, T; Lesher, R; Brune, W; Smith, J; Size, Time, and Composition-Resolved Aerosol Measurements in Mexico City During the MCMA-2003 Field Campaign: The Organic Component. AGU, 85(47), Fall Meet. Suppl., Abstract A11A-0018 (POSTER). December 13-17, 2004 San Francisco, CA, USA.
  77. Frey, S; Garcia, A; Volkamer, R; de Foy, B; Molina, L T; Molina, M J; Mellqvist, J; Galle, B; The Structure of the Planetary Boundary Layer in the Mexico City Metropolitan Area during the MCMA-2003 Field Campaign, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A11A-0028 (POSTER). December 13-17, 2004 San Francisco, CA, USA.
  78. Lei, W; de Foy, B; Volkamer, R; Frey, S; Molina, L T; Molina, M J; Impacts of Aerosols on UV Radiation and Ozone Formation and Analysis of Chemical Processes using a 3-D Chemical Transport Model in the Mexico City Metropolitan Area. Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A11A-0031 (POSTER). December 13-17, 2004 San Francisco, CA, USA.
  79. Hak, C.; Bäuerle, A.; Mettendorf, K.U.; Trick, S.; Volkamer, R.; Platt, U.; Pundt, I.; Active groundbased DOAS-Measurements of HCHO, NO2, and O3 during FORMAT-Campaigns I and II (summer 2002/03), Milan (Italy). 2004, Geophysical Research Abstracts.
  80. Jimenenz, J.L.; Kzepina, K.; Dunn, M.; DeCarlo, P.; Zhang, Q.; Huffman, A.; Salcedo, D.; Onasch, T.; Worsnop, D.R.; Mortimer, P.; Jayne, J.T.; Canagaratna, M.R.; Cardenas, B.; Volkamer, R.; de Foy, B.; Johnson, K.; Zuberi, B.; Molina, M.J.; Molina, L.T.; Smith, J.; McMurry, P.; Gaffney, J. and Marley; Fast Size-Resolved Aerosol Composition Measurements in Mexico City with an AMS, Poster presentation at “23 Annual AAAR Conference” October 4-8, 2004 Hyatt Regency Atlanta, GA, USA.
  81. 2003

  82. Jimenenz, J.L.; Kzepina, K.; DeCarlo, Pl; Huffman, A.; Zhang, Q.; Salcedo, D.; Jayne, J.T.; Worsnop, D.R.; Canagaratna, M.R.; Onasch, T.; Mortimer, P.; Marr, L.; Volkamer, R.; Molina, L.T.; Molina, M.J.; Gaffney, J. and Marley, N., Size, Time and Composition-Resolved Aerosol Measurements in Mexico City during the MCMA-2003 Field Campaign, Poster presentation at “Gordon Research Conference on Atmospheric Chemistry”, September 7th-12th 2003, Big Sky, Montana, USA.
  83. Volkamer, R.; Spietz, P.; Burrows, J.; Platt, U.; Molina, L.T. and Molina M.J.; High resolution UV/vis absorption cross section of Glyoxal. 2nd Workshop on “Differential Optical Absorption Spectroscopy (DOAS)” by T. Brauers and U. Platt (Eds.), September 17th-19th 2003, Heidelberg, Germany.
  84. 2002

  85. Volkamer, R.; Platt, U.; Rodenas, M.; Wirtz, K.; Junkermann, W.; Comparison of calibration standards for the measurement of HCHO via UV-, IR absorption spectroscopy and the Hantzsch technique. EUPHORE annual report 2002. Fachbereich 9, BUGH Wuppertal: http://www.physchem.uni-wuppertal.de.
  86. Thiault, G.; Mellouki, A.; Le Bras, G.; Chakir, A.; Sokolowski-Gomez, N.; Daumont, D.; Volkamer, R. and Wirtz, K.; The UV-visible Spectra and Atmospheric Photolysis of Aromatic Aldehydes, Proceedings of the EC/EUROTRAC II Joint Workshop “Shaping the Future of Atmosheric Chemistry Research in Europe“, Schurath, U. (Coord.), September 9th-11th 2002, Paris, France.
  87. Volkamer, R.; Junkermann, W.; Wirtz, K. and Platt, U.; Formation of Formaldehyde, Glyoxal and Methylglyoxal from the Toluene + OH reaction in the presence of NOx, Poster presentation at “EGS XXVII General Assembly”, Atmospheric Ozone: Tropospheric ozone and urban plumes by A. Volz-Thomas, April 21th–26th 2002, Nice, France.
  88. Xie, P.; Volkamer, R.; Platt, U.; Yu, Y.; Chen, L.; Galle, B. and Geyer, A.; An Analysis of the Contribution of Aromatics and HONO to photo-oxidation processes in the Chinese Mega City Shanghai, Talk at “EGS XXVII General Assembly”, Atmospheric Ozone by A. Volz-Thomas, April 21th–26th 2002, Nice, France.
  89. Volkamer, R.; Ackermann, R.; Trick, S.; Veitel, H.; Xie, P. and Platt, U.; Differentielle Optische Absorptionsspektroskopie (DOAS) zur Überwachung von Luftqualität, Proceedings VDI Bericht 1656 “Neuere Entwicklungen bei der Messung und Beurteilung der Luftqualität”, 11.-13. Juni 2002, Schwäbisch Gmund, Germany
  90. Volkamer, R.; Wirtz, K. and Platt, U.; Differential Optical Absorption Spectrsocopy (DOAS) in Large-volume Simulation Chambers, Poster Presentation ”Frühjahrstagung der Deutschen Physikalischen Gesellschaft”, Fachverband Umweltphysik, 18.-22. März 2002, Bremen, Germany.
  91. Volkamer, R.; Uecker, J.; Wirtz, K. and Platt, U.; OH-Radical initiated Oxidation of BTXM: Formation and Atmospheric Fate of Phenol-type compounds in the Presence of NOx, Proceedings from the EUROTRAC-2 Symposium 2002 “Transport and Chemical Transformation in the Troposphere”, P.M. Midgley and M. Reuther (Eds.), 2002, Margraf Verlag, Weikersheim.
  92. 2001

  93. Volkamer, R.; Platt, U.; Wirtz, K.; Martin, M. and Rodenas, M; UV-Absorption Cross-Section Spectra of a Series of Aromatic Aldehydes in the Spectral Range between 250nm and 390nm. EUPHORE annual report 2001, pp. 23-28. Fachbereich 9, BUGH Wuppertal: http://www.physchem.uni-wuppertal.de.
  94. Volkamer, R.; Uecker, J. and Platt, U.; Atmospheric DOAS Measurements of Absolute Concentrations of Aromatic Hydrocarbons. Workshop in honor of D. Perner on “Differential Optical Absorption Spectroscopy (DOAS)” by J. Burrows, J.M.C. Plane and U. Platt (Eds.), September 13th-14th, 2001, Heidelberg, Germany.
  95. Volkamer, R. and Platt, U.; Application of DOAS in Simulation Chambers. Workshop in honor of D. Perner on “Differential Optical Absorption Spectroscopy (DOAS)” by J. Burrows, J.M.C. Plane and U. Platt (Eds.), September 13th-14th, 2001, Heidelberg, Germany.
  96. Volkamer, R.; Wirtz, K. and Platt. U.; Fast Ring-Cleavage of BTX, Poster presentation at “8th International Association for Meteorology and Atmospheric Sciences (IAMAS)”, HOx, ROx Radicals and Related Species in the Planetary Boundary Layer: Photochemistry, Nighttime Chemistry and Vertical Mixing Effects, by Brune, W.H. and Holland, F. (Eds.), July 2001, Innsbruck, Austria.
  97. Klotz, B.; Imamura, T.; Washida, N.; Volkamer, R.; Platt, U.; Wirtz, K.; Barnes, I. and Becker, K.H., Kinetics and Mechanism of the Benzene + OH Reaction in the Gas-Phase as a Function of NOx Concentrations, Poster F1 at “5th Int’l Conference on Chemical Kinetics”, 15th-20th July 2001, Gaithersburg, MD, USA.
  98. Volkamer, R.; Wirtz, K. and Platt. U.; Fast Ring-Cleavage of BTX: Atmospheric Relevanc of Experimental Results, Talk at “EGS XXVI General Assembly”, Atmospheric Ozone: Ozone formation in urban plumes by A. Volz-Thomas and K.H. Becker, April 26th–30th 2001, Nice, France.
  99. Volkamer, R.; Wirtz, K. and Platt, U.; Die Oxidation von BTX in einer Tageslicht Simulations Kammer: Ringerhaltung vs. Ringspaltung, Poster presentation ”Frühjahrstagung der Deutschen Physikalischen Gesellschaft”, Fachverband Umweltphysik, 20.-22. März 2001, Hamburg, Germany.
  100. 2000

  101. Volkamer, R.; Wirtz, K. and Platt, U.; OH-Reaction Rate Constants and Photolysis-frequencies of a Series of Aromatic Aldehydes and Phenols. In: I. Barnes and H. Sidebottom (Eds.), EUPHORE annual report 2000, pp. 1-8. Fachbereich 9, BUGH Wuppertal: http://www.physchem.uni-wuppertal.de.
  102. Volkamer, R.; Wirtz, K. and Platt, U.; Simultaneous DOAS Measurements of Glyoxal and Aromatic VOCs: A New Tool for Studies in Traffic Tunnels, Urban Air and Smog Chambers. Workshop on “Traffic Emissions, Roadway and Tunnel Studies” by K.H. Becker and H. Puxbaum, October 1st-3rd, 2000, Vienna, Austria.
  103. Volkamer, R.; Platt, U. and Wirtz, K.; OH-initiated Oxidation of Aromatic Compounds: Fast Ring-Cleavage—A Mayor Operative Pathway for BTX. In: M.J. Rossi and E.M. Rossi (Eds.), Proceedings of the joint EC/Eurotrac II workshop “Chemical Processes and Mechanisms; Chemical Mechanism Development“, September 11th-13th 2000, Lausanne, France.
  104. Volkamer, R.; Platt, U.; Rodenás, M.; Uecker, J. and Wirtz, K.; OH-initiated Oxidation Mechanism of BTXM: A DOAS Study on Ring-Retaining Products and Glyoxal. Poster ST29 “EGS XXV General Assembly”, ST8-06 Atmospheric Ozone by A. Volz-Thomas and K.H. Becker, April 25th–29th 2000, Nice, France.
  105. Volkamer, R.; Wirtz, K.; Ackermann, R.; Geyer, A.; Stutz, J. and Platt, U.; Wie entsteht Photosmog? Einblicke mittels DOAS in die Rolle der Aromaten. Poster „Frühjahrstagung der Deutschen Physikalischen Gesellschaft“, Fachverband Umweltphysik, March 20th–24th 2000, Bremen, Germany.
  106. Volkamer, R.; Becker, K.H.; Klotz, B.; Platt, U.; Uecker, J. and Wirtz, K.; OH-initiated Oxidation of Aromatics: A DOAS Study on the Formation Mechanism of Ring-Retaining Products and Glyoxal. In: K.H. Becker (Ed.) Proceedings of the workshop on "Chemical Behaviour of Aromatic Hydrocarbons in the Troposphere", Februar 27th-29th, 2000, El Parador, El Saler, Valencia, Spain.
  107. Volkamer, R.; Becker, K.H.; Klotz, B.; Platt, U.; Uecker, J. and Wirtz, K.; The Phenol Yield from the OH-radical initiated oxidation of Benzene. In: I.Barnes and K.Brockmann (Eds.), EUPHORE annual report 1998-1999 2000, pp. 278-285. Fachbereich 9, BUGH Wuppertal: http://www.physchem.uni-wuppertal.de.
  108. Volkamer, R.; Wirtz, K. and Platt, U.; OH-Radical initiated Oxidation of BTX: A DOAS Study on the Primary and Secondary formation of Glyoxal. In: I.Barnes and K.Brockmann (Eds.), EUPHORE annual report 1998-1999 2000, pp. 269-277. Fachbereich 9, BUGH Wuppertal: http://www.physchem.uni-wuppertal.de.
  109. Volkamer, R.; Platt, U.; Uecker, J. and Wirtz, K.; OH-Initiated Oxidation of p-Xylene: A DOAS Study on the Formation Mechanism of Ring-Retaining Products. In: I.Barnes and K.Brockmann (Eds.), EUPHORE annual report 1998-1999 2000, pp. 257-268. Fachbereich 9, BUGH Wuppertal: http://www.physchem.uni-wuppertal.de.
  110. 1999

  111. Volkamer, R.; Uecker, J. and Wirtz, K.; Photooxidation of p-Xylene: an Outdoor Smog Chamber Studay using DOAS for the Determination of Ring-Retaining Product Yields. Poster “International Conference Air Quality in Europe: Challenges for the 2000s”, May 19th–21st, 1999, Venice, Italy.
  112. 1997

  113. Volkamer, R.M.; Etzkorn, T. and Platt, U.; Absorption von Sauerstoff im Herzberg I System und Konsequenzen fuer die Konzentrationsbestimmung atmosphaerischer Aromate, Talk „Frühjahrstagung der Deutschen Physikalischen Gesellschaft“, Fachverband Molekuelphysik, 1997, Mainz, Germany.
  114. 1996

  115. Brockmann, K.J.; Kriesche, V.; Etzkorn, T.; Volkamer, R. and Wirtz, K.; The European Photoreactor EUPHORE: A Technical Description, Proceedings of EUROTRAC Symposium 1996, Borrell, P.M.; Borrell, T.; Cvitas, K.; Seiler, K.; Seiler, W. (Eds.), WIT Press, Ashurst, Southhampton, UK.