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North River - Conn

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Record: 12    Segment ID: T1.01-    Stream Name: Branch Brook

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NOTE: Enter the Confinement Evaluated first, then the Scores, then the rest.

Rapid Geomorphic Assessment  
  Confinement Evaluated Unconfined  
  Geomorphic Assessment Scores
  Score STD (7.5) Historic (7.5)
7.1 Channel Degradation 5 B to F No
7.2 Channel Aggradation 10 None No
7.3 Widening Channel 10 None No
7.4 Change in Planform 10 None No
  Total Score 35  
  Condition Rating 0.44  
7.5 Channel Evolution Model F  
  Channel Evolution Stage II  
7.6 Geomorphic Stream Condition Fair  
7.7 Stream Sensitivity Extreme  
7.5 Channel Adjustment Processes Narrative  
  The reach was incised due to historic straightening, as well as armoring and encroachment along Branch Road. There was some evidence of channel widening with recent bank scour from T.S. Irene. We collected an alternate cross section in the portion of the reach near the confluence with the North River, which was not characteristic of the rest of the rest of the reach, where there were several large flood chutes. Processes associated with incision and the lack of grade control within the reach contributed to our assessment of the reach as Stage II.