Fangqun Yu

Molecular scale investigation of environmental nucleation processes through computational quantum study and kinetic nucleation modeling, Formation and growth of tropospheric particles: Modeling, data analyses, and comparisons

The World Within Reach
Fangqun Yu
Senior Research Associate

Department: Atmospheric Sciences Research Center

Adjunct Faculty
Department of Earth and Atmospheric Sciences



1998     Ph.D.,   Atmospheric Sciences, University of California at Los Angeles
1996     M.S.,    Atmospheric Sciences, University of California at Los Angeles
1994     M.S.,    Atmospheric Physics,  Institute of Atmospheric Physics, China
1991     B.S.,    Atmospheric Sciences, Peking University, China

Research Interests

Molecular scale investigation of environmental nucleation processes through computational quantum study and kinetic nucleation modeling
Formation and growth of tropospheric particles: Modeling, data analyses, and comparisons
Development and continuous improvement of a computationally efficient advanced particle microphysics (APM) model for coupling with GEOS-Chem, WRF-Chem, and CESM
Regional aerosol modeling using WRF-Chem + APM and GEOS-Chem+APM on nested domains
Global aerosol modeling using GEOS-Chem + APM and CESM + APM
Key processes controlling particle size distribution and cloud condensation nuclei (CCN) abundance
Aerosol-cloud-climate interaction study using regional and global climate models
Aerosol direct/indirect radiative forcing and climate change, climate feedback mechanisms involving particle nucleation
Formation and growth of ultrafine particles in various plumes (engine exhaust, power plant, volcano, etc.)
Combustion chemistry, and soot particle formation inside engine


(For updated list, please check http://www.albany.edu/~yfq/publication.html)

100. Ma, X., and F. Yu, Seasonal and spatial variations of global aerosol optical depth: Multi-year modeling and comparisons with multiple-platform observations, Tellus B, under review, 2014.

99. Yu, F., and G. Hallar, Difference in particle formation at a mountain-top location during the spring and summer: Implications for the role of sulfuric acid and organics in nucleation, J. Geophys. Res., 119, DOI: 10.1002/2014JD022136, 2014.

98. Yu, F., and G. Luo, Modelling of gaseous methylamines in the global atmosphere: Impacts of oxidation and aerosol uptake, Atmos. Chem. Phys. Discuss., 14, 17727-17748, doi:10.5194/acpd-14-17727-2014, 2014.

97. Ma, X., F. Yu, and J. Quaas, Reassessment of satellite-based estimate of aerosol climate forcing, J. Geophys. Res. Atmos., 119, 10,394-10,409, doi:10.1002/2014JD021670, 2014.

96. Nadykto, A. B., F. Yu, and J. Herb, Critical Assessment of Nucleation Thermochemistry of H2SO4, Journal of Physical Chemistry, submitted, 2014.

94. Yu, F., and G. Luo, Effect of solar variations on particle formation and cloud condensation nuclei, Environ. Res. Lett., 9, 045004, doi:10.1088/1748-9326/9/4/045004, 2014.

93. Chen, X., Z. Wang, J. Li, and F. Yu, Development of a Regional Chemical Transport Model with Size-Resolved Aerosol Microphysics and Its Application on Aerosol Number Concentration Simulation over China, SOLA, 10, 83-87, doi:10.2151/sola.2014-017, 2014.

92. Nadykto, A. B., J. Herb, F. Yu, and Y. Xu, Enhancement in the production of nucleating clusters due to dimethylamine and large uncertainties in the thermochemistry of amine-enhanced nucleation, Chemical Physics Letters, 609, 42-49, 10.1016/j.cplett.2014.03.036, 2014.

91. Tsigaridis, K., Daskalakis, N., Kanakidou, M., Adams, P. J., Artaxo, P., Bahadur, R., Balkanski, Y., Bauer, S. E., Bellouin, N., Benedetti, A., Bergman, T., Berntsen, T. K., Beukes, J. P., Bian, H., Carslaw, K. S., Chin, M., Curci, G., Diehl, T., Easter, R. C., Ghan, S. J., Gong, S. L., Hodzic, A., Hoyle, C. R., Iversen, T., Jathar, S., Jimenez, J. L., Kaiser, J. W., Kirkevåg, A., Koch, D., Kokkola, H., Lee, Y. H., Lin, G., Liu, X., Luo, G., Ma, X., Mann, G. W., Mihalopoulos, N., Morcrette, J.-J., Müller, J.-F., Myhre, G., Myriokefalitakis, S., Ng, S., O'Donnell, D., Penner, J. E., Pozzoli, L., Pringle, K. J., Russell, L. M., Schulz, M., Sciare, J., Seland, Ø., Shindell, D. T., Sillman, S., Skeie, R. B., Spracklen, D., Stavrakou, T., Steenrod, S. D., Takemura, T., Tiitta, P., Tilmes, S., Tost, H., van Noije, T., van Zyl, P. G., von Salzen, K., Yu, F., Wang, Z., Wang, Z., Zaveri, R. A., Zhang, H., Zhang, K., Zhang, Q., and Zhang, X.: The AeroCom evaluation and intercomparison of organic aerosol in global models, Atmos. Chem. Phys. Discuss., 14, 6027-6161, doi:10.5194/acpd-14-6027-2014, 2014.

90. Moniruzzaman, C. G., and F. Yu, Modeling soot size distribution evolution and pollutant formation inside diesel engine using a 0D multi-zone gas parcel model with detailed chemistry and soot microphysics, SAE Paper 2014-01-1603, 2014.

89. Ma, X., and F. Yu, Seasonal variability of aerosol vertical profiles over east US and west Europe: GEOS-Chem/APM simulation and comparison with CALIPSO observations, Atmospheric Research, Volumes 140-141, 28-37, 2014.

88. Yu, F., X. Ma, and G. Luo, Anthropogenic contribution to cloud condensation nuclei and the first aerosol indirect climate effect, Environ. Res. Lett. 8 024029 doi:10.1088/1748-9326/8/2/024029, 2013.

87. Mann, G. W., K. S. Carslaw, C. L. Reddington, K. J. Pringle, M. Schulz, A. Asmi, D. V. Spracklen, D. A. Ridley, M. T. Woodhouse, L. A. Lee, K. Zhang, S. J. Ghan, R. C. Easter, X. Liu, P. Stier, Y. H. Lee, P. J. Adams, H. Tost, J. Lelieveld, S. E. Bauer, K. Tsigaridis, T. P. C. Noije, A. Strunk, E. Vignati, N. Bellouin, M. Dalvi, C. E. Johnson, T. Bergman, H. Kokkola, K. von Salzen, F. Yu, G. Luo, A. Petzold, J. Heintzenberg, A. Clarke, J. A. Ogren, J. Gras, U. Baltensperger, U. Kaminski, S. G. Jennings, C. D. O'Dowd, R. M. Harrison, D. C. S. Beddows, M. Kulmala, Y. Viisanen, V. Ulevicius, N. Mihalopoulos, V. Zdimal, and M. Fiebig, Intercomparison and evaluation of aerosol microphysical properties among AeroCom global models of a range of complexity, Atmos. Chem. Phys. Discuss., 13, 30841-30928, doi:10.5194/acpd-13-30841-2013, 2013.

86. Stier, P., Schutgens, N. A. J., Bellouin, N., Bian, H., Boucher, O., Chin, M., Ghan, S., Huneeus, N., Kinne, S., Lin, G., Ma, X., Myhre, G., Penner, J. E., Randles, C. A., Samset, B., Schulz, M., Takemura, T., Yu, F., Yu, H., and Zhou, C.: Host model uncertainties in aerosol radiative forcing estimates: results from the AeroCom Prescribed intercomparison study, Atmos. Chem. Phys., 13, 3245-3270, doi:10.5194/acp-13-3245-2013, 2013.

85. Ma, X., K. Bartlett, K. Harmon, and F. Yu: Comparison of AOD between CALIPSO and MODIS: significant differences over major dust and biomass burning regions, Atmos. Meas. Tech.,6, 2391-2401, 2013.

84. Herb, J., Y. Xu, F. Yu, and A. B. Nadykto, Large Hydrogen-Bonded Pre-Nucleation (HSO4-)(H2SO4)m(H2O)k and (HSO4-)(NH3)(H2SO4)m(H2O)k Clusters in the Earth's Atmosphere, J. Phys. Chem., A, 117, 133-152, DOI: 10.1021/jp3088435, 2013.

83. Myhre, G., Samset, B. H., Schulz, M., Balkanski, Y., Bauer, S., Berntsen, T. K., Bian, H., Bellouin, N., Chin, M., Diehl, T., Easter, R. C., Feichter, J., Ghan, S. J., Hauglustaine, D., Iversen, T., Kinne, S., Kirkevåg, A., Lamarque, J.-F., Lin, G., Liu, X., Lund, M. T., Luo, G., Ma, X., van Noije, T., Penner, J. E., Rasch, P. J., Ruiz, A., Seland, Ø., Skeie, R. B., Stier, P., Takemura, T., Tsigaridis, K., Wang, P., Wang, Z., Xu, L., Yu, H., Yu, F., Yoon, J.-H., Zhang, K., Zhang, H., and Zhou, C.: Radiative forcing of the direct aerosol effect from AeroCom Phase II simulations, Atmos. Chem. Phys., 13, 1853-1877, doi:10.5194/acp-13-1853-2013, 2013.

82. Yu, F., Luo, G., Liu, X., Easter, R. C., Ma, X., and Ghan, S. J.: Indirect radiative forcing by ion-mediated nucleation of aerosol, Atmos. Chem. Phys., 12, 11451-11463, doi:10.5194/acp-12-11451-2012, 2012.

81. Zhang, Y., P. Karamchandani, T. Glotfelty, D. G. Streets, G. Grell, A. Nenes, F. Yu, and R. Bennartz, Development and initial application of the global-through-urban weather research and forecasting model with chemistry (GU-WRF/Chem), J. Geophys. Res., 117, D20206, doi:10.1029/2012JD017966, 2012.

80. Ma, X., and F. Yu, Effect of spectral-dependent surface albedo on Saharan dust direct radiative forcing, Geophys. Res. Lett., 39, L09808, doi:10.1029/2012GL051360, 2012.

79. Yu, F., G. Luo, and X. Ma, Regional and global modelling of aerosol optical properties with a size, composition, and mixing state resolved particle microphysics model, Atmos. Chem. Phys., 12, 5719-5736, doi:10.5194/acp-12-5719-2012, 2012.

78. Ma, X., F. Yu, and G. Luo, Aerosol direct radiative forcing based on GEOS-Chem/APM and uncertainties, Atmos. Chem. Phys., 12, 5563-5581, doi:10.5194/acp-12-5563-2012, 2012.

77. Yu, F., G. Luo , R. P. Turco , J. Ogren , R. Yantosca, Decreasing particle number concentrations in a warming atmosphere and implications, Atmos. Chem. Phys., 12, 2399-2408, doi:10.5194/acp-12-2399-2012, 2012.

76. Moniruzzaman, C. G., and F. Yu, A 0D aircraft engine emission model with detailed chemistry and soot microphysics, Combustion and Flame, doi:10.1016/j.combustflame.2011.11.006, 2011.

75. Herb., J., A. Nadykto, and F. Yu, Large Ternary Hydrogen-Bonded Pre-Nucleation Clusters in the Earth's Atmosphere, Chemical Physics Letters, 518, 7-14, 10.1016/j.cplett.2011.10.035, 2011.

74. Luo, G., and F. Yu, Simulation of particle formation and number concentration over the Eastern United States with the WRF-Chem + APM model, Atmos. Chem. Phys., 11, 11521-11533, doi:10.5194/acp-11-11521-2011, 2011.

73. Yu, F., and R. P. Turco, The size-dependent charge fraction of sub-3-nm particles as a key diagnostic of competitive nucleation mechanisms under atmospheric conditions, Atmos. Chem. Phys., 11, 9451-9463, doi:10.5194/acp-11-9451-2011, 2011.

72. English, J. M., O. B. Toon , M. J. Mills, and F. Yu: Microphysical simulations of new particle formation in the upper troposphere and lower stratosphere, Atmos. Chem. Phys., 11, 9303-9322, doi:10.5194/acp-11-9303-2011, 2011.

71. Fatima, H., H. C. Upadhyaya, S. N. Tripathi, O. P. Sharma and F. Yu, On radiative forcing of sulphate aerosol produced from ion-promoted nucleation mechanisms in an atmospheric global model, Meteorology and Atmospheric Physics, 112, 101-115, DOI: 10.1007/s00703-011-0138-8, 2011.

70. Luo, G., and F. Yu, Sensitivity of global cloud condensation nuclei concentrations to primary sulfate emissions parameterizations, Atmos. Chem. Phys., 11, 1949-1959, doi:10.5194/acp-11-1949-2011, 2011.

69. Yu, F., A secondary organic aerosol formation model considering successive oxidation aging and kinetic condensation of organic compounds: global scale implications, Atmos. Chem. Phys., 11, 1083-1099, doi:10.5194/acp-11-1083-2011, 2011.

68. Nadykto, A. B., F. Yu, M. Yakovleva, J. Herb, and Y. Xu, Amines in the Earth's Atmosphere: A DFT Study of the Thermochemistry of Pre-Nucleation Clusters, Entropy, 13, 554-569, 2011.

67. Yu, F., and G. Luo, Oceanic Dimethyl Sulfide Emission and New Particle Formation around the Coast of Antarctica: A Modeling Study of Seasonal Variations and Comparison with Measurements, Atmosphere, 1(1):34-50, 2010.

66. Yu, F., G. Luo , T. Bates , B. Anderson , A. Clarke , V. Kapustin , R. Yantosca , Y. Wang , S. Wu, Spatial distributions of particle number concentrations in the global troposphere: Simulations, observations, and implications for nucleation mechanisms, J. Geophys. Res., 115, D17205, doi:10.1029/2009JD013473, 2010.

65. Zhang, Y., P. H. McMurry, F. Yu, and M. Z. Jacobson, A Comparative Study of Homogeneous Nucleation Parameterizations, Part I. Examination and Evaluation of the Formulations, J. Geophys. Res., 115, D20212, doi:10.1029/2010JD014150, 2010.

64. Zhang, Y., P. Liu, X.-H. Liu, M. Z. Jacobson, P. H. McMurry, F. Yu, S. Yu, and K. L. Schere, A comparative study of nucleation parameterizations: 2. Three-dimensional model application and evaluation, J. Geophys. Res., 115, D20213, doi:10.1029/2010JD014151, 2010.

63. Yu, F., Diurnal and seasonal variations of ultrafine particle formation in anthropogenic SO2 plumes, Environmental Science & Technology, 44 (6), 2011-2015, DOI: 10.1021/es903228a, 2010.

62. Xu, Y., A. B. Nadykto, F. Yu, L. Jiang, and W. Wang, Formation and properties of hydrogen bonded complexes of common organic oxalic acid with atmospheric nucleation precursors, Journal of Molecular Structure: THEOCHEM, doi:10.1016/j.theochem.2010.04.004, 2010.

61. Yu, F., Ion-mediated nucleation in the atmosphere: Key controlling parameters, implications, and look-up table, J. Geophy. Res., 115, D03206, doi:10.1029/2009JD012630, 2010.

60. Luo, G., and F. Yu, A numerical evaluation of global oceanic emissions of alpha-pinene and isoprene, Atmos. Chem. Phys., 10, 2007-2015, 2010.

59. Xu, Y., A. Nadykto, F. Yu, J. Herb, and W. Wang, Interaction between common organic acids and trace nucleation species in the Earth's atmosphere, J. Phys. Chem. A, 10.1021/jp9068575, 2009.

58. Yu, F., and G. Luo, Simulation of particle size distribution with a global aerosol model: Contribution of nucleation to aerosol and CCN number concentrations, Atmos. Chem. Phys., 9, 7691-7710, 2009.

57. Luo, G., F. Yu, and Z. Wang, Impact of aerosol on sea surface temperature over the subtropical Atlantic ocean: A potential trigger factor of the NAO phase conversion? Geophy. Res. Lett., 36, L03708, doi:10.1029/2008GL036035, 2009.

56. Nadykto, A. B., F. Yu, and J. Herb, Ammonia in positively charged atmospheric pre-nucleation clusters: A quantum-chemical study and atmospheric implications, Atmos. Chem. Phys., 9, 4031-4038, 2009.

55. Du, H.,and F. Yu, Kinetic modeling of nucleation experiments involving SO2 and OH: New insights into the underlying nucleation mechanisms, Atmos. Chem. Phys., 9, 7913-7922, 2009.

54. Nadykto, A. B., F. Yu, and J. Herb,Theoretical Analysis Of The Gas-Phase Hydration Of Common Atmospheric Pre-Nucleation (HSO4-)(H2O)n AND (H3O+)(H2SO4)(H2O)n Cluster Ions, Chemical Physics, 360, 67-73, doi:10.1016/j.chemphys.2009.04.007, 2009.

53. Kärcher, B., and F. Yu, The role of aircraft soot emissions in contrail formation, Geophy. Res. Lett., 36, L01804, doi:10.1029/2008GL036649, 2009.

52. Nadykto, A. B., F. Yu, and A. Al Natsheh , Anomalously Strong Effect of the Ion Sign on the Thermochemistry of Hydrogen Bonded Aqueous Clusters of Identical Chemical Composition, Int. J. Mol. Sci. 2009, 10(2), 507-517, doi:10.3390/ijms10020507, 2009.

51. Du, H., A. Nadykto, and F. Yu, Quantum-mechanical solution to fundamental problems of classical theory of homogeneous water vapor nucleation, Phys. Rev. E., 79, 021604, 2009.

50. Nadykto, A. B., F. Yu, and J. Herb, Towards understanding the sign preference in binary atmospheric nucleation, Physical Chemistry Chemical Physics, 10, 7073 - 7078, DOI: 10.1039/b807415a, 2008.

49. Yu, F., and R. P. Turco, Case studies of particle formation events observed in boreal forests: Implications for nucleation mechanisms, Atmos. Chem. Phys., 8, 6085-6102, 2008.

48. Nadykto, A. B., F. Yu, and J. Herb, Effect of Ammonia on the Gas-Phase Hydration of Common Atmospheric Ion HSO4- , International Journal of Molecular Sciences, 9(11), 2184-2193, DOI: 10.3390/ijms9112184, 2008.

47. Yu, F., Z. Wang, G. Luo, and R. P. Turco, Ion-mediated nucleation as an important source of tropospheric aerosols, Atmos. Chem. Phys., 8, 2537-2554, 2008.

46. Du, H.,and F. Yu, Nanoparticle formation in the exhaust of vehicles running on ultra-low sulfur fuel, Atmos. Chem. Phys., 8, 4729-4739, 2008.

45. Yu, F., Updated H2SO4-H2O binary homogeneous nucleation rate look-up tables, J. Geophy. Res.,113, D24201, doi:10.1029/2008JD010527, 2008.

44. Nadykto, A. B., and F. Yu, Anomalously large difference in dipole moment of isomers with nearly identical thermodynamic stability, Journal of Physical Chemistry, 112, 7222-7226, 2008.

43. Nadykto, A. B., A. Al Natsheh, F. Yu, K.V. Mikkelsen, and J. Herb, Computational Quantum Chemistry: A New Approach to Atmospheric Nucleation, Advances in Quantum Chemistry, 55, 449-478, 2008.

42. Yu, F., Improved quasi-unary nucleation model for binary H2SO4-H2O homogeneous nucleation, J. Chem. Phys., 127, 054301, 2007.

41. Kärcher, B., O. Möhler, P. J. DeMott, S. Pechtl, and F. Yu, Insights into the role of soot aerosols in cirrus cloud formation, Atmos. Chem. Phys., 7, 4203-4227, 2007.

40. Nadykto, A. B., H. Du, and F. Yu, Quantum DFT and DF-DFT study of infrared spectra of sulfuric acid, sulfuric acid monohydrate, formic acid and its cyclic dimer, Vibrational Spectroscopy, 44, 286-296, 2007.

39. Nadykto, A. B., and F. Yu, Strong hydrogen bonding between atmospheric nucleation precursors and organic acids, Chem. Phys. Lett, 435, 14-18, 2007.

38. Du, H., and F. Yu, Formation of volatile nanoparticles in engine exhaust: Contributions of the binary H2SO4-H2O homogeneous nucleation, Atmos. Environ., 40, 7579-7588, 2006.

37. Al Natsheh, A., A. B. Nadykto, K. V. Mikkelsen, F. Yu, and J. Ruuskanen, Coexistence of metastable nitric acid dihydrates: A molecular level contribution to understanding the polar stratospheric clouds crystals formation, Chemical Physics Letters, 426, 20-25, 2006.

36. Yu, F., From molecular clusters to nanoparticles: Second-generation ion-mediated nucleation model, Atmos. Chem. Phys.,6, 5193-5211, 2006.

35. Nadykto, A. B., A. Al Natsheh, F. Yu, K.V. Mikkelsen, and J.Ruuskanen, Quantum nature of the sign preference in the ion-induced nucleation, Phys. Rev. Lett., 96, 125701, 2006.

34. Nadykto, A. B., A. Al Natsheh, K.V. Mikkelsen, F. Yu, and J.Ruuskanen, A Reply to the Comment by Shawn M. Kathmann, Gregory K. Schenter, and Bruce C. Garrett, Phys. Rev. Lett., 98, 109604, 2007.

33. Yu, F., The effect of ammonia on new particle formation: A kinetic H2SO4-H2O-NH3 nucleation model constrained by laboratory measurements, J. Geophy. Res., 111, D01204, doi:10.1029/2005JD005968, 2006.

32. Yu, F., Binary H2SO4-H2O homogeneous nucleation rates based on a kinetic quasi-unary model: Look-up tables, J. Geophy. Res., 111, D04201, doi:10.1029/2005JD006358, 2006.

31. Yu, F., Modified Kelvin-Thomson equation considering ion-dipole interaction: Comparison with observed ion-clustering enthalpies and entropies, J. Chem. Phys., 122, 084503, 2005.

30. Yu, F., Quasi-unary homogeneous nucleation of H2SO4-H2O, J. Chem. Phys., 122, 074501, 2005.

29. Nadykto A., and F. Yu, Simple correction to the classical theory of homogeneous nucleation, J. Chem. Phys., 122, 104511, 2005.

28. Al Natsheh, A., A. B. Nadykto, K. V. Mikkelsen, F. Yu, and J. Ruuskanen, Sulfuric acid and sulfuric acid hydrates in gas phase: A DFT investigation, J. Phys. Chem. A, 108(41), 8914-8929, 2004. (Addition/Correction: 110(25), 7982-7984, 2006).

27. Nadykto A., and F. Yu, Dipole moment of condensing monomers: A new parameter controlling the ion-induced nucleation, Physical Review Letters, 93, 016101, 2004.

26. Nadykto A., and F. Yu, Formation of binary ion clusters from polar vapours: Effect of the dipole-charge interaction, Atmos. Chem. Phys., 4, 385-389, 2004.

25. Yu, F., Formation of large NAT particles and denitrification in polar stratosphere: possible role of cosmic rays and effect of solar activity, Atmos. Chem. Phys., 4, 2273-2283, 2004.

24. Nadykto, A. B., A. Al Natsheh, F. Yu, K.V. Mikkelsen, and J.Ruuskanen, Effect of molecular structure and hydration on the uptake of gas-phase sulfuric acid by charged clusters/ultrafine particles, Aerosol Science and Technology, 38, 349-353, 2004.

23. Yu, F., T. Lanni, and B. Frank, Measurements of ion concentration in gasoline and diesel engine exhaust, Atmospheric Environment, 38, 1417-1423, 2004.

22. Nadykto A., J. Makela, F. Yu, M. Kulmala and A. Laaksonen, Comparison of the experimental mobility equivalent diameter for small cluster ions with theoretical particle diameter corrected by effect of vapour polarity, Chemical Physics Letters, 382/1-2, 6-11, 2003.

21. Nadykto A., and F. Yu, Uptake of neutral polar vapour molecules by charged particles: Enhancement due to dipole-charge interaction, J. Geophy. Res., 108(D23), 4717, doi:10.1029/2003JD003664, 2003.

20. Yu, F., Nucleation rate of particles in the lower atmosphere: Estimated time needed to reach pseudo-steady sate and sensitivity to H2SO4 gas concentration, Geophys. Res. Lett., 30, 1526, doi:10.1029/2003GL01708, 2003.

19. Yu, F., Altitude variations of cosmic ray induced production of aerosols: Implications for global cloudiness and climate, J. Geophy. Res., 107(A7), 10.1029/2001JA000248, 2002.

18. Yu, F., Chemiion evolution in motor vehicle exhaust: Further evidence of its role in nanoparticle formation, Geophys. Res. Lett., 29(15), 10.1029/2002GL015004, 2002.

17. Yu, F., Chemiions and nanoparticle formation in diesel engine exhaust, Geophys. Res. Lett., 28, 4191-4194, 2001.

16. Yu, F. and R. P. Turco, From molecular clusters to nanoparticles: The role of ambient ionization in tropospheric aerosol formation, J. Geophy. Res., 106, 4797-4814, 2001.

15. Yu, F., and R. P. Turco, On the contribution of lightning to ultrafine aerosol formation, Geophys. Res. Lett., 28, 155-158, 2001.

14. Yu, F., and R. P. Turco, Ultrafine aerosol formation via ion-mediated nucleation, Geophys. Res. Lett., 27, 883-886, 2000.

13. Kärcher, B., R.P. Turco, F. Yu, M.Y. Danilin, D.K. Weisenstein, R.C. Miake-Lye, and R. Busen, On the unification of aircraft ultrafine particle emission data, J. Geophy. Res., 105, 29379-29386, 2000.

12. Turco, R. P., J. X. Zhao and F. Yu, Tropospheric sulfate aerosol formation via ion-ion recombination, J. Air Waste Manag. Assoc., 50, 902-907, 2000.

11. Yu, F., and R. P. Turco, Evolution of aircraft-generated volatile particles in the far wake regime: Potential contributions to ambient CCN/IN, Geophys. Res. Lett., 26, 1703-1706, 1999.

10. Yu, F., R. P. Turco, and B. Kärcher, The possible role of organics in the formation and evolution of ultrafine aircraft particles, J. Geophy. Res., 104, 4079-4087, 1999.

9. Turco, R. P., and F. Yu, Particle size distribution in an expanding plume undergoing simultaneous coagulation and condensation, J. Geophy. Res., 104, 19,227-19,242, 1999.

8. Yu, F., and R. P. Turco, Contrail formation and impacts on aerosol properties in aircraft plumes: Effects of fuel sulfur content, Geophys. Res. Lett., 25, 313-316, 1998.

7. Kärcher, B., B., F. Yu, F. P. Schroeder, and R. P. Turco, Ultrafine aerosol particles in aircraft plumes: Analysis of growth mechanisms, Geophys. Res. Lett., 25, 2793-2796, 1998.

6. Turco, R. P., and F. Yu, Aerosol size distribution in a coagulating plume: Analytical behavior and modeling applications, Geophys. Res. Lett., 25, 927-930, 1998.

5. Yu, F., R. P. Turco, B. Kaercher, and F. P. Schroeder, On the mechanisms controlling the formation and properties of volatile particles in aircraft wakes, Geophys. Res. Lett., 25, 3839-3842, 1998.

4. Turco, R. P., J. X. Zhao and F. Yu, A new source of tropospheric aerosols: Ion-ion recombination, Geophys. Res. Lett., 25, 635-638, 1998.

3. Yu, F., and R. P. Turco, The formation and evolution of aerosols in stratospheric aircraft plumes: Numerical simulations and comparisons with observations, J. Geophy. Res., 103, 25,915-25,934, 1998.

2. Turco, R. P., and F. Yu, Aerosol invariance in expanding coagulating plumes, Geophys. Res. Lett., 24, 1223-1226, 1997.

1. Yu, F., and R. P. Turco, The role of ions in the formation and evolution of particles in aircraft plumes, Geophys. Res. Lett., 24, 1927-1930, 1997.