LOOPE, David B.1, ELDER, James F.
2, ZLOTNIK, Vitaly A.
3, KETTLER, Richard M.
3, and PEDERSON, Darryll T.
3, (1) Department of Earth & Atmospheric Sciences, University of Nebraska-Lincoln, Lincoln, NE 68588, dloope1@unl.edu, (2) 101 Smirle Ave, Ottawa, ON KlY0S4, Canada, (3) Earth & Atmospheric Sciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588