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Upper Missisquoi

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Record: 60    Segment ID: R45S3.1S1.01-    Stream Name: Ace 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 18 None No
7.2 Channel Aggradation 4 None No
7.3 Widening Channel 7 None No
7.4 Change in Planform 8 None No
  Total Score 37  
  Condition Rating 0.46  
7.5 Channel Evolution Model D  
  Channel Evolution Stage IId  
7.6 Geomorphic Stream Condition Good  
7.7 Stream Sensitivity Extreme  
7.5 Channel Adjustment Processes Narrative  
  Stream has abundant aggradation due to the change in slope upstream. The aggradation has resulted in braiding and widening of stream. The aggradation and subsequent widening are natural adjustments for a type "D" stream such as this and not an indication of a departure from reference. Planform is major due to numerous flood chutes and braiding and a result from the natural aggradation. The condition was selected as "good" based on administrative judgement and reflects that the major aggradation and planform is expected in a "D" stream type.