Main channel definition

Main channel means the portion of the stormwater conveyance system that contains the base flow and small frequent storm events.
Main channel means a channel that has flowing water when average flows occur.
Main channel means the portion of the stormwater conveyance system that contains the

Examples of Main channel in a sentence

  • Main channel migration in meandering reaches occurred by bank erosion and point bar formation, as well as alluvial bar erosion and construction (Figure 2-11).

  • Main channel horizontal clearances between bridge piers less than 687 feet will introduce increases to the hazard of navigating the north branch of Tongass Narrows.

  • Main channel horizontal clearances between bridge piers that exceed 687 feet will not introduce a greater hazard than that afforded by the natural channel in the vicinity of Charcoal Point.

  • Main channel ▇▇▇▇▇▇▇’▇ roughness values in each model were adjusted over a range from 0.030 to 0.040, and overbank ▇▇▇▇▇▇▇’▇ roughness values typically varied between 0.080 and 0.200, to match DWR surveyed water surface elevations within 0.5 feet for the 4,500 and 7,000 cfs discharge.

  • Main channel and overbank areas were initially assigned ▇▇▇▇▇▇▇’▇ n roughness values based on typical values from the literature.

  • Main channel of communication with key stakeholders and implementing agencies.