RIEGL, Bernhard, National Coral Reef Institute, Nova Southeastern Univ, Oceanographic Center, 8000 N. Ocean Drive, Dania, FL 33004, PILLER, Werner, Institut fuer Geologie und Palaeontologie, Karl-Franzens-Universitaet Graz, Heinrichstrasse 26, Graz, 8020, Austria, AN, Edgar, Department of Ocean Engineering, Florida Atlantic Univ, SeaTech Campus, 101 N Beach Road, Dania, FL 33004, FAIRBANKS, Richard, Lamont-Doherty Earth Observatory, Columbia Univ, PO Box 1000, Palisades, NY 10964, DODGE, Richard, National Coral Reef Institute, Nova Southeastern Univ, Oceanographic Center, 8000 N Ocean Drive, Dania, FL 33004 and COULSON, Robert, Department of Ocean Engineering, Florida Atlantic Univ, 101 N Beach Road, Dania, FL 33004, rieglb@nova.edu, rieglb@nova.edu