TCD ReportD6 July071403(ldg) EVALUATING A GLEN CANYON DAM TEMPERATURE CONTROL DEVICE TO ENHANCE NATIVE FISH HABITAT IN THE COLORADO RIVER: A RISK ASSESSMENT BY ADAPTIVE MANAGEMENT PROGRAM SCIENCE ADVISORS ADAPTIVE MANAGEMENT PROGRAM SCIENCE ADVISORS JILL BARON, USGS/COLORADO STATE UNIVERSITY VIRGINA DALE, OAK RIDGE LABORATORY LANCE GUNDERSON, EMORY UNIVERSITY ALAN HOWARD, UNIVERSITY OF VIRGINIA DAVID HULSE, OREGON STATE UNIVERSITY JAMES KITCHELL, UNIVERSITY OF WISCONSIN JOHN LOOMIS, COLORADO STATE UNIVERSITY MARGARET PALMER, UNIVERISTY OF MARYLAND RANDY PARKER, USGS DALE ROBERTSON, USGS DOUG SCHWARTZ, SCHOOL OF AMERICAN RESEARCH JOE WATKINS, UNIVERSITY OF NEW MEXICO DAVID GARRETT, EXECUTIVE SECRETARY, M3 RESEARCH JULY 2003