Fluvial Landform (03 Anabranch )

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Anabranches at the junction of the Yukon River & Koyukuk River,Alaska
Anabranches at the junction of the Yukon River & Koyukuk River,Alaska


  • An anabranch is a section of a riverstream.
  • That diverts from main channel /stem of the watercourse.
  • Local anabranches result of small islands in the watercourse.
  • In larger anabranches, diverge for a distance of several km before rejoining the main channel.
  • Anabranching river is a river with many anabranches.
  • An anastomosing river is an organic-rich subset of this river type.
  • bayou is also anabranch.


e.g.
  • Fraser River delta,ritish ColumbiaCanada
  • North Arm Fraser River
  • Middle Arm Fraser River
  • South Arm Fraser River


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