Harvard University School of Engineering and Applied Sciences  Environmental Sciences and
Engineering (ESE) Program		 Atmospheric Sciences Seminar
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Current Projects
 
  • Phase Transitions of
       Atmospheric Particles

     - Crystallization of SNAP
        Particles
     - 1×3TDMA
     - Atmospheric Nanoparticles
     - Modeling Aerosol Phase
        Transitions and Radiative
        Effects

  • Dissolution and
       Precipitation of Minerals
       in Aquatic Environments
     
  • Chemical Oxidation
       Reactions and Hydrophobic
       -to-Hydrophilic Aging of OAs

     - Aerodyne AMS analysis
     - CCN properties of OAs

  • Origins of Life:
       Mineral Surface Photo-
       Electrochemistry


    • Harvard Environmental Chamber

    AMAZE-08


    Closed Projects

      - Crystallization of Sulfate and
       Nitrate Coatings on
       Tropospheric Mineral Particles
     
      - Tropospheric Mineral
       Particles as Ice Nuclei
     
      - Building Structures at
       the Nanoscale

     

    Phase Transitions of Atmospheric Particles


    Radiative Forcing

    We are grateful for past (NSF ATM 9733629, NSF ATM 0096355, and ACS PRF 32580-G9) and current support (NSF ATM 0317583 and ACS PRF 37770-AC5).

     

    Publications

    1. E. Mikhailov, S. Vlasenko, S. T. Martin, and U. Poeschl, "Amorphous and crystalline aerosol particles interacting with water vapour Part 1: porous and gel-like microstructures, surface and bulk uptake, phase transitions, hygroscopic growth and kinetic limitations," submitted February 2009.

    2. G. Biskos, P.R. Buseck, and S.T. Martin, "Hygroscopic growth of nucleation-mode acidic sulfate particles," Journal of Aerosol Science, accepted December 2008.

    3. E.J. Freney, S.T. Martin, and P.R. Buseck, "Deliquescence and efflorescence of potassium salts relevant to biomass-burning aerosol particles," Aerosol Science and Technology, In press.

    4. M.E. Wise, C.A. Tyree, J.O. Allen, S.T. Martin, L.M. Russell, and P.R. Buseck, "Hygroscopic behavior and liquid-layer composition of aerosol particles generated from natural and artificial seawater," Journal of Geophysical Research, 2009, 114, D03201. PDF file.

    5. T.R. Rosenoern, D. Paulsen, and S.T. Martin, "The 1-by-3 Tandem Differential Mobility Analyzer for Measurement of the Irreversibility of the Hygroscopic Growth Factor," Aerosol Science and Technology, 2009, 43, 641-652. PDF file. Supplement.

    6. S.T. Martin, T. Rosenoern, Q. Chen, and D.R. Collins, "Phase Changes of Ambient Particles in the Southern Great Plains of Oklahoma, USA," Geophysical Research Letters, 2008, 35, L22801. PDF file. Supplement.

    7. J. Wang, A.A. Hoffmann, R. Park, D.J. Jacob, and S.T. Martin, "Global distribution of solid and aqueous sulfate aerosols: effect of the hysteresis of particle phase transitions," Journal of Geophysical Research, 2008, 113, D11207. PDF File.

    8. J. Wang, D.J. Jacob, and S.T. Martin, "Sensitivity of sulfate direct climate forcing to the hysteresis of particle phase transitions," Journal of Geophysical Research, 2008, 113, D11206. PDF File.

    9. Wise, M.E., S.T. Martin, L.M. Russell, and P.R. Buseck, "Water uptake by NaCl particles prior to deliquescence and the phase rule," Aerosol Science and Technology, 2008, 42, 281-294. PDF file.

    10. T. Rosenoern, J.C. Schlenker, and S.T. Martin, "Hygroscopic Growth of Multicomponent Aerosol Particles Influenced by Several Cycles of Relative Humidity," Journal of Physical Chemistry A, 2008, 112, 2378-2385. PDF File. Errata.

    11. J. Wang and S.T. Martin, "Satellite characterization of urban aerosols: importance of including hygroscopicity and mixing state in the retrieval algorithms," Journal of Geophysical Research, 2007, 112, D17203. PDF File.

    12. G.J. Boer, I.N. Sokolik, and S.T. Martin, "Infrared Optical Constants of Aqueous Sulfate-Nitrate-Ammonium Multi-component Tropospheric Aerosols from Attenuated Total Reflectance Measurements: Part I. Results and Analysis of Spectral Absorbing Features," Journal of Quantitative Spectroscopy and Radiative Transfer, 2007, 108, 17-38. PDF File.

    13. G.J. Boer, I.N. Sokolik, and S.T. Martin, "Infrared Optical Constants of Aqueous Sulfate-Nitrate-Ammonium Multi-component Tropospheric Aerosols from Attenuated Total Reflectance Measurements: Part II. An Examination of Mixing Rules," Journal of Quantitative Spectroscopy and Radiative Transfer, 2007, 108, 39-53. PDF File.

    14. T.A. Semeniuk, M.E. Wise, S.T. Martin, L.M. Russell, and P.R. Buseck, "Water uptake characteristics of individual atmospheric particles having coating," Atmospheric Environment, 2007, 41, 6225-6235. PDF File.

    15. Wise, M.E., T.A. Semeniuk, R. Bruintjes, S.T. Martin, L.M. Russell, and P.R. Buseck, "Hygroscopic behavior of NaCl-bearing natural aerosol particles using environmental transmission electron microscopy," Journal of Geophysical Research, 2007, 112, D10224. PDF File.

    16. T.A. Semeniuk, M.E. Wise, S.T. Martin, L.M. Russell, and P.R. Buseck, "Hygroscopic behavior of aerosol particles from biomass fires using environmental transmission electron microscopy," Journal of Atmospheric Chemistry, 2007, 56, 259-273. PDF File.

    17. G. Biskos, D. Paulsen, L.M. Russell, P.R. Buseck, and S.T. Martin, "Prompt Deliquescence and Efflorescence of Aerosol Nanoparticles," Atmospheric Chemistry and Physics, 2006, 6, 4633. PDF File. Supplement. Table 1 Erratum.

    18. Bahadur, R., Russell, L.M., Alavi, S., Martin, S.T., Buseck, P.R., "Void-induced Dissolution in MD Simulations of NaCl and Waters," Journal of Chemical Physics, 2006, 124, 154713. PDF File.

    19. Biskos, G., Russell, L.M., Buseck, P.R., and Martin, S.T., "Nanosize Effect on the Hygroscopic Growth of Aerosol Particles," Geophysical Research Letters, 2006, 33, L07801. PDF File. Supporting Material A. Supporting Material B.

    20. Biskos, G., Malinowski, A., Russell, L.M., Buseck, P.R., and Martin, S.T., "Nanosize Effect on the Deliquescence and the Efflorescence of Sodium Chloride Nanoparticles," Aerosol Science and Technology, 2006, 40, 97-106. PDF File. Supporting Material A. Supporting Material B.

    21. Wise, M.E., Biskos, G., Martin, S.T., Russell, L.M., and Buseck, P.R., "Phase Transitions of Single Salt Particles Studied Using a Transmission Electron Microscope with an Environmental Cell," Aerosol Science and Technology, 2005, 39, 849-856. PDF File.

    22. Schlenker, J.C., and Martin, S.T., "Crystallization Pathways of Sulfate-Nitrate-Ammonium Aerosol Particles," The Journal of Physical Chemistry A, 2005, 109, 9980-9985. PDF File.

    23. Schlenker, J.C., Malinowski, A., Martin, S.T., Hung, H.M., Rudich, Y., "Crystals Formed at 293 K by Aqueous Sulfate-Nitrate-Ammonium-Proton Aerosol Particles," Journal of Physical Chemistry A, 2004, 108, 9375-9383. PDF File.

    24. Martin, S.T., H.M. Hung, R.J. Park, D.J. Jacob, R.J.D. Spurr, K.V. Chance, and M. Chin, "Effects of the Physical State of Tropospheric Ammonium-Sulfate Nitrate Particles on Global Aerosol Direct Radiative Forcing," Atmospheric Chemistry and Physics, 2004, 4, 183-214. PDF File. Table 2 Erratum.

    25. Martin, S.T., Schlenker, J.C., Malinowski, A., Hung, H.M., and Rudich, Y., "Crystallization of atmospheric sulfate-nitrate-ammonium particles," Geophysical Research Letters, 2003, 30, 2102. PDF File. Movie File.

     
     



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    Environmental Chemistry Group