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Stevens River

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Record: 17    Segment ID: T1.02-    Stream Name: Peacham Hollow 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 13 None Yes
7.2 Channel Aggradation 13 None No
7.3 Widening Channel 12 None No
7.4 Change in Planform 11 None No
  Total Score 49  
  Condition Rating 0.61  
7.5 Channel Evolution Model F  
  Channel Evolution Stage IV  
7.6 Geomorphic Stream Condition Fair  
7.7 Stream Sensitivity Very High  
7.5 Channel Adjustment Processes Narrative  
  Minor aggradation, widening and planform change following historic incision; process tempered significantally by good buffers. Used unconfined RGA evaluation: although this segment is in a semi-confined valley, it is clearly a riffle-pool system with relatively low slope (1.5 pct), no steps, and point bar sediment storage. Scoring on confined sheet came out very similar, but questions related to step-pool systems were ill-suited.