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Task 5: Stream channel restoration

The objective of this task is to accelerate channel evolution toward more stable states, using different kinds of treatments. This will result in increased watershed stability and improved water quality. There are some sites in the Rio Puerco or its tributaries where the basic elements of stream dimension, pattern and profile are not in equilibrium with desired stable stream conditions. For example, straight channel segments or deeply incised channels downstream suggest accelerated erosion. River morphology efforts, such as restoring proper gradient, channel dimension, width/depth ratio, sinuosity, and bioengineering, are undertaken. Different approaches are used and assessed.