A criterion for new particle formation in the sulfur-rich Atlanta atmosphere. McMurry, P., H., Fink, M., Sakurai, H., Stolzenburg, M., R., Mauldin, I., L., Smith, J., Eisele, F., Moore, K., Sjostedt, S., Tanner, D., Huey, L., G., Nowak, J., B., Edgerton, E., & Voisin, D. Journal of Geophysical Research Atmospheres, 110(22):1-10, 2005.
A criterion for new particle formation in the sulfur-rich Atlanta atmosphere [link]Website  doi  abstract   bibtex   
A simple dimensionless parameter, L, is shown to determine whether or not new particle formation can occur in the atmosphere on a given day. The criterion accounts for the probability that clusters, formed by nucleation, will coagulate with preexisting particles before they grow to a detectable size. Data acquired in an intensive atmospheric measurement campaign in Atlanta, Georgia, during August 2002 (ANARChE) were used to test the validity of this criterion. Measurements included aerosol size distributions down to 3 nm, properties and composition of freshly nucleated particles, and concentrations of gases including ammonia and sulfuric acid. Nucleation and subsequent growth of particles at this site were often dominated by sulfuric acid. New particle formation was observed when L was less than ∼1 but not when L was greater than ∼1. Furthermore, new particle formation was only observed when sulfuric acid concentrations exceeded 5 × 106 cm-3. The data suggest that there was a positive association between concentrations of particles produced by nucleation and ammonia, but this was not shown definitively. Ammonia mixing ratios during this study were mostly in the 1 to 10 ppbv range. Copyright 2005 by the American Geophysical Union.
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 title = {A criterion for new particle formation in the sulfur-rich Atlanta atmosphere},
 type = {article},
 year = {2005},
 pages = {1-10},
 volume = {110},
 websites = {http://doi.wiley.com/10.1029/2005JD005901},
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 notes = {<b>From Duplicate 1 (<i>A criterion for new particle formation in the sulfur-rich Atlanta atmosphere</i> - McMurry, P. H.; Fink, M.; Sakurai, H.; Stolzenburg, M. R.; Mauldin, R. L.; Smith, J.; Eisele, F.; Moore, K.; Sjostedt, S.; Tanner, D.; Huey, L. G.; Nowak, J. B.; Edgerton, E.; Voisin, D.; Mauldin, III L.; Smith, J.; Eisele, F.; Moore, K.; Sjostedt, S.; Tanner, D.; Huey, L. G.; Nowak, J. B.; Edgerton, E.; Voisin, D.)<br/></b><br/><b>From Duplicate 2 (<i>A criterion for new particle formation in the sulfur-rich Atlanta atmosphere</i> - McMurry, P. H.; Fink, M.; Sakurai, H.; Stolzenburg, M. R.; Mauldin, R. L.; Smith, J.; Eisele, F.; Moore, K.; Sjostedt, S.; Tanner, D.; Huey, L. G.; Nowak, J. B.; Edgerton, E.; Voisin, D.)<br/></b><br/>Cited References Count:49|AMER GEOPHYSICAL UNION|2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA|ISI Document Delivery No.:982MC},
 private_publication = {false},
 abstract = {A simple dimensionless parameter, L, is shown to determine whether or not new particle formation can occur in the atmosphere on a given day. The criterion accounts for the probability that clusters, formed by nucleation, will coagulate with preexisting particles before they grow to a detectable size. Data acquired in an intensive atmospheric measurement campaign in Atlanta, Georgia, during August 2002 (ANARChE) were used to test the validity of this criterion. Measurements included aerosol size distributions down to 3 nm, properties and composition of freshly nucleated particles, and concentrations of gases including ammonia and sulfuric acid. Nucleation and subsequent growth of particles at this site were often dominated by sulfuric acid. New particle formation was observed when L was less than ∼1 but not when L was greater than ∼1. Furthermore, new particle formation was only observed when sulfuric acid concentrations exceeded 5 × 10<sup>6</sup> cm<sup>-3</sup>. The data suggest that there was a positive association between concentrations of particles produced by nucleation and ammonia, but this was not shown definitively. Ammonia mixing ratios during this study were mostly in the 1 to 10 ppbv range. Copyright 2005 by the American Geophysical Union.},
 bibtype = {article},
 author = {McMurry, P. H. and Fink, M. and Sakurai, H. and Stolzenburg, M. R. and Mauldin, III L. and Smith, J. and Eisele, F. and Moore, K. and Sjostedt, S. and Tanner, D. and Huey, L. G. and Nowak, J. B. and Edgerton, E. and Voisin, D.},
 doi = {10.1029/2005JD005901},
 journal = {Journal of Geophysical Research Atmospheres},
 number = {22},
 keywords = {p36.pdf}
}

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