The work described in this paper was supported by the Defense Threat Reduction Agency and Dugway Proving Ground through a contract with the H. E. Cramer Company, Inc., as well as through the Biological Countermeasures Office in the Department of Homeland Security. The authors also acknowledge the hard work of the other Park Avenue Street canyon team workers and others that contributed to the datasets presented in this work, including the following: P. Ramamurthy, B. Hansen, B. Verhoef, Dr. P. Kastner-Klein, D. Storwold, Dr. F. Gallagher, Dr. H. J. S. Fernando, Dr. M. Princevac, Dr. J. Allwine, and Dr. S. Grimmond. In addition, the authors are very grateful to the local government workers, business owners and workers, and citizens of Oklahoma City who made the JU2003 field experiment possible.
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