Bankfull channel definition

Bankfull channel means a channel flowing at channel capacity and conveying the bankfull discharge. Delineated by the highest water level that has been maintained for a sufficient period of time to leave evidence on the landscape, such as the point where the natural vegetation changes from predominantly aquatic to predominantly terrestrial or the point at which the clearly scoured substrate of the stream ends and terrestrial vegetation begins.
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Bankfull channel means channel width between the tops of the most pronounced bank on either side of a stream reach where water would just begin to flow out onto the floodplain.
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Bankfull channel means channel width between the tops of the most pronounced bank on either side of a stream reach where water would just begin to flow out onto the floodplain. “Class I” means 1) domestic supplies, including springs, on site and/or within 100 feet downstream of the operations area and/or 2) watercourses with fish always or seasonally present onsite, includes habitat to sustain fish migration and spawning. The latter includes watercourses that can be restored to allow fish presence. In this definition, “fish” refers to species in the Superclass Pisces.
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Examples of Bankfull channel in a sentence

  • Bankfull channel area pertains to the specific primary or secondary channel in question and is not the aggregate channel area of all primary and secondary channels in multi-channel reaches.

  • Bankfull channel area pertains to the specific primary or secondary channel in question, and is not the aggregate channel area of all primary and secondary channels in multi-channel reaches.

  • Bankfull channel width - The top surface width of a stream channel when flowing at a bankfull discharge.

  • Bankfull channel depth - The maximum depth of a channel within a riffle segment when flowing at a bankfull discharge.

  • Bankfull channel width is the stream width at the bankfull discharge, or flow rate that forms and con- trols the shape and size of the active channel.

  • Bankfull channel width—Compare the average of the adjacent bankfull channel widths recorded on page four of the field form to the width of the structure opening.

  • Components of Meander geometry include length, amplitude, belt width.• Meander Width Ratio: Meander Belt Width divided by the Bankfull Width• Reach: A channel type unit length with the same channel type existing for a length over twenty Bankfull channel widths (Rosgen).

  • Bankfull channel depth and baseflow stream depth are determined based on the average depth for the cross-section (Parsons et al., 2002).

  • Example of Bankfull channel Changes between 1948 and 1999………………………….

  • Bankfull channel dimensions as a function of bankfull discharge for Maryland Piedmont survey sites (n = 23).


More Definitions of Bankfull channel

Bankfull channel means that portion of a floodplain that conveys flows at bankfull stage.
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  • Channel means a natural or artificial watercourse with a definite bed and banks that conducts flowing water continuously or periodically.

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