This is a little Florida-centric, but a rising tide raises all boats. http://www.tampatrib.com/FloridaMetro/MGBGRKCKJ3E.html John C. Ogden, Director Florida Institute of Oceanography 830 First Street South St. Petersburg, FL 33701 USA Tel. 727-553-1100 Fax 727-553-1109 <http://www.marine.usf.edu/FIO/>Http://www.marine.usf.edu/FIO/