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White River - Mainstem

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Record: 138    Segment ID: T8.01-    Stream Name: Hancock Branch

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Stream Channel  
2.1 Bankfull Width 45 ft.
2.2 Maximum Depth 5.3 ft.
2.3 Mean Depth 3.7 ft.
2.4 Floodprone Width 148 ft.
2.5 Recently Abandoned Floodplain 7.4 ft.
  Human Elevated Floodplain 8.8 ft.
2.6 Width/Depth Ratio 12.3
2.7 Entrenchment Ratio 3.2
2.8 Incision Ratio - Redently Abandoned Floodplain 1.4
  Incision Ratio - Human Elevated FloodPlain 1.7
2.9 Sinuosity Low
2.10 Type of Riffles Sedimented
2.11 Riffle/Step Spacing Distance 208 ft.
2.12 Substrate Composition  
  Bedrock 2.0 %
  Boulder 11.0 %
  Cobble 43.0 %
  Course Gravel 26.0 %
  Fine Gravel 14.0 %
  Sand 4.0 %
  Silt and smaller 0.0 %
  Clay Present? No
  Percent Detritus 0.0 %
  Large Woody Debris Count 4
2.13 Average Largest Particle On  
  Bed 14.56 inches
  Bar 8.84 inches
2.14 Phase 2 Stream Type  
  Stream Type C
  Bed Material Cobble
  Subclass Slope None
  Dominant Bed Form Plane Bed
  SubDominant Bed Form Riffle-Pool
  Field Measured Slope
  Phase 1 Stream Type  
  Stream Type C
  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)? Yes
  Channel Enlargement 348 %
  Comments Channel enlargement calculated from top of berm.