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Williams River

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Record: 55    Segment ID: T5.S3.a.01-    Stream Name: Potash Brook

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Stream Channel  
2.1 Bankfull Width 26 ft.
2.2 Maximum Depth 1.7 ft.
2.3 Mean Depth 1.2 ft.
2.4 Floodprone Width 32 ft.
2.5 Recently Abandoned Floodplain 7.7 ft.
  Human Elevated Floodplain ft.
2.6 Width/Depth Ratio 21.1
2.7 Entrenchment Ratio 1.2
2.8 Incision Ratio - Redently Abandoned Floodplain 4.5
  Incision Ratio - Human Elevated FloodPlain 0.0
2.9 Sinuosity Low
2.10 Type of Riffles Sedimented
2.11 Riffle/Step Spacing Distance 90 ft.
2.12 Substrate Composition  
  Bedrock 0.0 %
  Boulder 12.0 %
  Cobble 43.0 %
  Course Gravel 20.0 %
  Fine Gravel 17.0 %
  Sand 5.0 %
  Silt and smaller 3.0 %
  Clay Present? Yes
  Percent Detritus 5.0 %
  Large Woody Debris Count 166
2.13 Average Largest Particle On  
  Bed 500 mm
  Bar 180 mm
2.14 Phase 2 Stream Type  
  Stream Type F
  Bed Material Cobble
  Subclass Slope None
  Dominant Bed Form Riffle-Pool
  SubDominant Bed Form
  Field Measured Slope
  Phase 1 Stream Type  
  Stream Type B
  Dominant Bed Material Cobble
  Subclass Slope None
  Bed Form Riffle-Pool
  Sub-reach Stream Type  
  Reference Stream Type
  Reference Bed Material
  Reference Subclass Slope
  Reference Bedform
  Were Channel Dimensions Significantly Changed By Major Flooding Yes
  Were channel dimensions significantly changed by human alteration associated with flood recovery efforts (e.g., reshaping of banks by yellow machines)? No
  Channel Enlargement 11 %
  Comments