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This publication provides information and describes technologies based on natural stream processes that can be used to restore impaired streams.
Restoration of impaired streams begins with an understanding of the watershed’s current condition and stream potential. Stream classification offers a way to categorize streams based on channel morphology. This factsheet focuses on a classification system popular with hydrologists, engineers, and biologists—the Rosgen stream classification system.
This River Course publication is part of a factsheet series developed to provide information and technologies related to the use of natural channel design in restoring impaired streams.