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White River - First Branch

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Record: 58    Segment ID: T6.01-    Stream Name: Hart Hollow Brook

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

Rapid Geomorphic Assessment  
  Confinement Evaluated Confined  
  Geomorphic Assessment Scores
  Score STD (7.5) Historic (7.5)
7.1 Channel Degradation 4 B to F Yes
7.2 Channel Aggradation 5 None No
7.3 Widening Channel 8 None No
7.4 Change in Planform 7 None No
  Total Score 24  
  Condition Rating 0.30  
7.5 Channel Evolution Model F  
  Channel Evolution Stage III  
7.6 Geomorphic Stream Condition Poor  
7.7 Stream Sensitivity Extreme  
7.5 Channel Adjustment Processes Narrative  
  Extreme aggradation with arrested widening and planform change following historic incision. Despite significant aggradation (primarily steep riffles/steps and sediment slugs) features are frequently unstable due to elevated stream power from extensive straightening and armoring; access to historic floodplains has been largely restricted and major impacts are being transferred downstream. Aggradation is largely result of being at DS end of subwatershed as reach by reference would probably be largely a transport stream.