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White River - Mainstem

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Record: 97    Segment ID: T5.06-    Stream Name: Stony Brook

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Stream Channel  
2.1 Bankfull Width 69 ft.
2.2 Maximum Depth 2.2 ft.
2.3 Mean Depth 1.3 ft.
2.4 Floodprone Width 180 ft.
2.5 Recently Abandoned Floodplain 3.2 ft.
  Human Elevated Floodplain ft.
2.6 Width/Depth Ratio 54.2
2.7 Entrenchment Ratio 2.6
2.8 Incision Ratio - Redently Abandoned Floodplain 1.5
  Incision Ratio - Human Elevated FloodPlain 0.0
2.9 Sinuosity Moderate
2.10 Type of Riffles Sedimented
2.11 Riffle/Step Spacing Distance 91 ft.
2.12 Substrate Composition  
  Bedrock 0.0 %
  Boulder 18.0 %
  Cobble 32.0 %
  Course Gravel 26.0 %
  Fine Gravel 12.0 %
  Sand 12.0 %
  Silt and smaller 0.0 %
  Clay Present? No
  Percent Detritus 0.0 %
  Large Woody Debris Count 9
2.13 Average Largest Particle On  
  Bed 10.28 inches
  Bar 7.08 inches
2.14 Phase 2 Stream Type  
  Stream Type C
  Bed Material Gravel
  Subclass Slope b
  Dominant Bed Form Riffle-Pool
  SubDominant Bed Form Braided
  Field Measured Slope
  Phase 1 Stream Type  
  Stream Type B
  Dominant Bed Material Cobble
  Subclass Slope None
  Bed Form Step-Pool
  Sub-reach Stream Type  
  Reference Stream Type C
  Reference Bed Material Cobble
  Reference Subclass Slope b
  Reference Bedform Riffle-Pool
  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 338 %
  Comments Channel has widened considerably and experienced major aggradation most likely as a result of Tropical Storm Irene.