Lackey , Gregory D 1 ; Neupauer , Roseanna M 2 ; Pitlick , John 3 1 Department of Civil, Environmental, and Architectural Engineering, ÀÖ²¥´«Ã½, Boulder, Colorado 2 Department of Civil, Environmental, and Architectural Engineering, ÀÖ²¥´«Ã½, Boulder, Colorado 3 Department of Geography, ÀÖ²¥´«Ã½, Boulder,...