Bibliographical noteFunding Information:
Received 9 March 2010; accepted 24 June 2010. [Supplementary materials are available for this article. Go to the publisher’s online edition of Aerosol Science and Technology to view the free supplementary files.] This work was funded by NSF Award Number ATM-0506674 and US DOE Grant Number DE-FG-02-05ER63997. PHM was supported by a Guggenheim Fellowship. We also appreciate the support of John Jansen (The Southern Company) in providing us with access to the site and the sampling laboratories and Eric Edgerton (Atmospheric Research and Analysis, Inc.) for his assistance with site preparation. We thank Dr. Susanne Hering, AST Editor, for helping to improve the clarity of our paper. The National Center for Atmospheric Research is sponsored by the National Science Foundation.