Understanding the Rhythms of Rivers: Exploring Natural Hydrographs and the Impact of Dams on Watersheds
Dams create a number of issues for the overall health of a watershed. One of the primary issues is that they modify the volume (discharge) and timing of when and how water flows in the portion of the river downstream. Dams trap and store water in the wet periods of time, and then release additional water during the dry, hot periods of time to meet human need. The graph which shows the amount of water flowing past a point over time is called a hydrograph.
60 day Notice on Hot Water Litigation & How it Relates to Endangered Sockeye
IRU, along with Columbia Riverkeeper, Northwest Sportfishing Industry Association, and Idaho Conservation League, recently provided 60 days notice of intent to sue the U.S. Army Corps over lethal hot water conditions for migrating sockeye salmon caused by the Lower Snake River dams.
Victory Declared on Chandler Mountain!
Victory Declared on Chandler Mountain Land, Waters and Endangered Wildlife Saved from Destructive Project; Advocates Celebrate Local Community’s Successful Efforts Today we celebrate a significant victory for the people of Chandler Mountain, for the...