Farmers and rivers have a close, though not always friendly, relationship with one another. Rivers can create prized farmland, but they also flood fields and the communities built alongside them. Farming practices may...

This site from Venkatesh Merwade of Purdue university offers tutorials relating to GIS and water resources modeling. Topic areas covered are hydraulic and hydrologic modeling, GIS and hydrologic modeling and downloading...

This observing system provides real-time data, graphs, web cams, and more throughout the Great Lakes and connecting waterways, including the St. Lawrence River, Niagara River, and the St. Clair system. The data are...

The International Association for Great Lakes Research is comprised of researchers studying the Laurentian Great Lakes and other large lakes of the world. The homepage serves as a centralized resource for Great Lakes...

This interactive map allows users to find their local watersheds and access a variety of information on conditions in them. Search hierarchy is based on region (the largest), subregion, accounting unit, and hydrologic...