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Winooski Mid, Alder to Montp

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Record: 57    Segment ID: R13.S1.02-S1.05-    Stream Name: Thatcher Brook

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Channel Bed and Planform Changes  
5.1 Bar Types  
  Mid Bar 0
  Point Bar 0
  Side Bar 2
  Diagonal Bar 0
  Delta Bar 0
  Island Bar 0
5.2 Migration Features  
  Flood Chutes 0
  Neck Cutoffs 0
  Channel Avulsions 0
  Braiding 0
5.3 Steep Riffles and Head Cuts  
  Steep Riffles 0
  Head Cuts 0
  Tributary Rejuvenation No
5.4 Stream Ford or Animal Crossing No
5.5 Channel Alterations  
  Straightening Straightening
  Straightening Length 772 ft.
  Dredging None

Comments:
Straightened section of stream that now has a planebed bedform. Berms are common along the banks, probably from past windrowing. Incision is primary process and not much else is active. Slightly steeper slope, coarser substrate, and forested buffer may arrest widening in this segment and allow sediments to move through this segment to be deposited further downstream in segment A. This segment almost qualifies as a B-type stream, depending on whether the flood prone width includes the right terrace or not (it was very close). With a B-stream classification, this would have been a C to B STD due to incision. Cross section resurveyed in 2014 by Bear Creek Environmental. Cross sections were similar in both years. More aggradational in 2014 most likely due to Tropical Storm Irene.