Texas Rivers Projects - students and teachers sharing information. Also a great hands-on classroom activity which teaches how a river is formed. A River as a Classroom, The Vermont River Project - focusing on aquatic biology. Westchester Land Trust Student Watershed project. Based in Westchester County, New York these pages are a database of data collected by students along the Hudson River and Long Island Sound watersheds.
Site includes evaluations done by students of the listed sites.
Greenet - well annotated list of links. Select tide 'stations' and give dates and times desired. Science for Boaters , a vast list of links compiled by American Whitewater Association. Sections include - Environmental Science, Government Environmental Organizations, Cartography Resources, Remote Sensing, Ground Water, Surface Water, Meteorology.