Watersheds:

Surf Your Watershed. A one-stop site for information about watersheds in the United States.

Watershed Information Network. Hosted by the U.S. Environmental Protection Agency, this site has information about individual watersheds in the U.S. as well as general information about watersheds.

Know Your Watershed. This website provides information about forming local watershed partnerships.

Center for Watershed Protection.

Watershed Basics. This site lists links to watershed resources and organizations.

Watersheds of the World. This site provides maps of land cover, population density and biodiversity for 154 basins and sub-basins around the world.

Water Resources:

• Water Data. This U.S.G.S. site provides access to historic and real-time water data for the U.S.
• Universities Water Information Network (UWIN): Created by the Universities Council on Water Resources. Provides access to subject specific directories, databases, and announcements.
• Internet Resources for Water: A list of some of the most useful Internet resources for water and water-related subjects.
• Water Librarians Homepage: Created and maintained by a librarian working for a California water agency.

Ocean Resources:

• SeaWeb - This website focuses on preservation of ocean resources. It contains links to images, reports, and Ocean Citations, an annual list of citations for topics such as marine mining. and climate change.
• NOAA's Tides and Currents information.
• Tides and Tide Tables - an extensive listing of tide table links and software maintained by the Scripps Institute of Oceanography.