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White River - Mainstem

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Record: 129    Segment ID: T6.4-S1.01-    Stream Name: Johnson 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 8 Other No
7.2 Channel Aggradation 12 None No
7.3 Widening Channel 16 None No
7.4 Change in Planform 12 None No
  Total Score 48  
  Condition Rating 0.60  
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  
  Segment variable in stream type and channel evolution stage. Areas of extensive channelization and windrowing post-Irene. These alterations have narrowed the stream channel, created floodplain restricting berms, and caused a conversion from natural riffle-pool bedform to featureless plane bed. Areas that were not windrowed are aggrading and beginning to form a juvenile floodplain (F-IV). "C" and "B" stream types are subdominant. Areas are higher gradient with step-pool bedform.