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LDEQ presents natural channel design methods and Rosgen classification at ARBC meeting
Summary
Louisiana Department of Environmental Quality watershed staff presented natural channel design principles, Rosgen stream classification and bankfull concepts to the ARBC. LDEQ said it is pursuing a pilot watershed project in the Hammond area to test nature-based channel restoration for water-quality improvements.
Chuck Berger of the Louisiana Department of Environmental Quality—s watershed planning and engineering section gave a technical presentation July 8 on fluvial geomorphology, Rosgen stream classification and natural-channel design principles.
Berger reviewed how rivers gather, store and move water, sediment and woody debris; he explained the Rosgen classification system (dimension, pattern, profile and bed material), the concept of bankfull…
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