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Jian Wang

wangjAdjunct Assistant Professor

Ph.D., 2002, California Institute of Technology

jian@bnl.gov

Field and laboratory studies of the physical and chemical properties of atmospheric aerosols

 


 

Research Interests

My research focuses on aerosol cloud interactions and the processes that control the properties and evolutions of atmospheric aerosols. These studies include field measurements of atmospheric aerosol and cloud properties, analyses and models based on the measurements.  The key topics are as follows: (1) the effects of aerosols on cloud properties including the cloud droplet number concentration, size distribution, and cloud albedo; (2) the evolution of aerosol microphysics, chemical composition, and cloud nucleating efficiency as the aerosol is transported downwind of major sources; (3) development of advanced instruments for measuring aerosol size distribution, hygroscopicity, and cloud condensation nuclei concentration, with the focus on aircraft-based deployments.


Publications

Kulkarni P., J. Wang, 2005, “New Fast Integrated Mobility Spectrometer for Real-Time Measurement of Aerosol Size Distribution: II. Design, Calibration, and Performance Characterization”, Submitted to Journal of Aerosol Science.

Kulkarni P., J. Wang, 2005, “New Fast Integrated Mobility Spectrometer for Real-Time Measurement of Aerosol Size Distribution: I. Concept and Theory”, Submitted to Journal of Aerosol Science.

Wang J., Collins D. R, Covert D., Elleman R., Ferrare R. A., Gasparini R., Jonsson H., OgrenJ., Sheridan P., and Tsay S. C., 2005. “Temporal variation of aerosol properties at a rural continental site and study of aerosol evolution through growth law analysis”,Submitted to Journal of Geophysics Research.

Wang J., Storey J., Domingo N., Huff S., Thomas J., and West B., 2005. “Studies of diesel engine particle emissions during transient operations using an Engine Exhaust Particle Sizer”, Submitted to Aerosol Science and Technology.

Springston S. R., Kleinman L. I., Brechtel F., Lee Y. N., Nunnermacker L. J., and Wang J., 2005.  “Chemical Evolution of an Isolated Power Plant Plume during the TexAQS 2000 Study”, Atmospheric Environment, 39 (19): 3431-3443.

Andrews­ E., Sheridan P.J., Fiebig M., McComiskey A., Ogren J. A., Bartholomew M.J., Covert D., Elleman R., Gasparini R., Collins  D., Jonsson H., Schmid B., and Wang J., 2005  “Comparison of methods for deriving aerosol asymmetry parameter”, Accepted by Journal of Geophysical Research.

Rissman T. A., VanReken T. M., Wang J., Gasparini R., Collins D. R., Jonsson H. H., Brechtel F. J., Flagan R. C., and Seinfeld J. H., 2005.  “Characterization of cloud condensation nuclei (CCN) during the 2003 Atmospheric Radiation Measurement (ARM) Aerosol Intensive Observational Period (IOP) at the Southern Great Plains (SGP) Site in Oklahoma”, Accepted by Journal of Geophysical Research.

GhanS. J., Rissman T. A., Elleman R., Ferrare R. A., Turner D., Flynn C., Wang J., Ogren J., Hudson J., Jonsson H. H., VanReken T., Flagan R. C., and Seinfeld J. H., 2004.  “Use of In Situ Cloud Condensation Nuclei, Extinction, and Aerosol Size DistributionMeasurements to Test a Method for Retrieving Cloud Condensation Nuclei Profilesfrom Surface Measurements”, Accepted by Journal of Geophysical Research.

Pahlow M., Feingold G., Jefferson A., Andrews E., Ogren J. A., Wang J., and Lee Y. N., 2004.  “Comparison between lidar and nephelometer measurements of aerosol hygroscopicity at the Southern Great Plains Atmospheric Radiation Measurement site”,Accepted by Journal of Geophysical Research.

Kahn, R., Anderson J., Anderson T.L., Bates T., Brechtel F., Carrico C. M., Clarke A.,  Doherty S. J., Dutton E., Flagan R., Frouin R., Fukushima H., Holben B., Howell S., Huebert B., Jefferson A., Jonsson H., Kalashnikova O., Kim J., Kim S-W., Kus P., Li W-H.,  Livingston J. M., McNaughton C., Merrill J., Mukai S., Murayama T., Nakajima T., Quinn P. , Redemann J., Rood M., Russell P., Sano I., Schmid B., Seinfeld J., Sugimoto N., Wang J., Welton E. J., Won J-G., Yoon S-C., 2004.  “Environmental Snapshots from ACE-Asia”,Journal of Geophysical Research,109(D19), Art. No. D19S14.

Russell P. B., Livingston J. M., Dubovik O., Ramirez S. A.,Wang J., Redemann J., Schmid B., Box M., and Holben B. N., 2004.  “Sunlight transmission through desert dust and marine aerosols: Diffuse light corrections to Sun photometry and pyrheliometry”, Journal of Geophysical Research, 109(D8), Art. No. D08207.

Lu M. L., Wang J., Freedman A., Jonsson H. H., Flagan R. C., McClatchey R. A., and  Seinfeld J. H., 2003.  “Analysis of humidity halos around trade wind cumulus clouds”, Journal of the Atmospheric Sciences, 60(8), pp 1041–1059.

Bahreini R., Jimenez J. L., Wang J., Flagan R. C., Seinfeld J. H., Jayne J. T., and Worsnop D. R., 2003.  “Aircraft-based aerosol size and composition measurements during ACE-Asia using an aerodyne aerosol mass spectrometer”, Journal of Geophysical Research,108(D23), Art. No. 8645.

Conant W., Seinfeld J. H., Wang J., Carmichael G. R., Tang Y., Uno I., Flatau P. J., Markowicz K. M.,  and Quinn P. K., 2003.  “A model for the radiative forcing during ACE-Asia derived from CIRPAS Twin Otter and R/V Ronald H. Brown data and comparison with observations”, Journal of Geophysical Research, 108(D23), Art. No. 8661.

Schmid B., Hegg D. A., Wang J., Bates D., Redemann J., Russell P. B., Livingston J. M., Jonsson H. H., Welton E. J., Seinfeld J. H., Flagan R. C., Covert D. S., Dubovik O., and Jefferson A., 2003.  “Column closure studies of lower tropospheric aerosol and water vapor during ACE-Asia using airborne sunphotometer, airborne in-situ and ship-based lidar measurements”, Journal of Geophysical Research, 108(D23), Art. No. 8656.

Wang J., Flagan R. C., Seinfeld J. H., Collins D. R., Jonsson H. H., Schmid B., Redemann J., Livingston J. M., Russell P. B., Gao S., Hegg D. A., Welton E. J., and Bates D., 2002.  “Clear-column radiative closure during ACE-Asia: Comparison of multiwavelength extinction derived from particle size and composition with results from Sun photometry”, Journal of Geophysical Research,107 (D23), Art. No. 4688.

Wang J., R. C. Flagan, and J. H. Seinfeld, 2003. “A differential mobility analyzer (DMA) system for submicron aerosol measurements at ambient relative humidity”, Aerosol Science and Technology, 37(1), pp 46-52.

Wang J., Flagan R. C., and Seinfeld. J. H., 2002. “Diffusional Losses in Particle Sampling Systems Containing Bends and Elbows”,Journal of Aerosol Science, 33(6), pp 843-857.

Wang J., McNeill V. F., Collins D. R., and Flagan R. C., 2002.  “Fast Mixing Condensation Nucleus Counter: Application to Rapid Scanning Differential Mobility Analyzer Measurements”,  Aerosol Science and Technology, 36(6), pp 678-689.

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