Seasonal weather patterns affect the flow patterns of water into the rivers (and watersheds) of western North America. What landform features can form when erosion is caused by fast–moving water from Spring and Fall rains, and snowpack melt runoff?
Recommended level: Middle School: Sixth Grade through Eighth Grade
1. River Flow, Seasons, and the Elwha Watershed
2. Sediment Movement and the Elwha River