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Upper Missisquoi

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Record: 71    Segment ID: R48-    Stream Name: Missisquoi River

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Channel Bed and Planform Changes  
5.1 Bar Types  
  Mid Bar 1
  Point Bar 0
  Side Bar 16
  Diagonal Bar 0
  Delta Bar 0
  Island Bar 0
5.2 Migration Features  
  Flood Chutes 1
  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 Yes
5.5 Channel Alterations  
  Straightening None
  Straightening Length 0 ft.
  Dredging None

Comments:
Did two cross sections. One where banks were higher and one where banks were lower. In general, most of segment had good floodplain access. Cross section #1, not as representative as cross section #2. It is recommened to determine the meander width ratio and the wavelength ratio to help assess the stability of the reach. This was not done as part of Phase 1. 2015 ASSESSMENT NOTES: During the 2015 Phase 2 assessment, BCE scientists observed several new debris jams within R48-C. These debris jams are causing more aggradation and planform adjustment than was previously observed, though both processes are still minor. Additionally, in 2015 there was a localized headcut caused by a debris jam at the upstream end of the segment. In 2011, there were no headcuts observed in R48-C. Overall, R48-C was still a very stable segment in 2015 and thus was placed in good geomorphic condition. A consistent diversity of bed features caused the segment to also be in good habitat condition in 2015.