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Williams River

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Record: 54    Segment ID: T5.S3.05-    Stream Name: Andover 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 15 None No
7.2 Channel Aggradation 13 None No
7.3 Widening Channel 14 None No
7.4 Change in Planform 12 None No
  Total Score 54  
  Condition Rating 0.68  
7.5 Channel Evolution Model F  
  Channel Evolution Stage IV  
7.6 Geomorphic Stream Condition Good  
7.7 Stream Sensitivity Very High  
7.5 Channel Adjustment Processes Narrative  
  This segment has very little encroachment throughout and winds through a historic beaver meadow. Though only one current beaver dam was observed the imagery suggests that historically there were more dams influencing the reach. This historical beaver meadow, though not currently active, still plays a role in the channel adjustment process. There is still evidence of aggradation, but the dominant channel adjustment process is planform adjustment. This can be seen as scour on the outside of bends and the presence of multiple mid-channel bars. This segment therefore received a stage IV designation.