Channel modification definition

Channel modification means the reconfiguration or reconstruction of all or part of a channel, such as by straightening, relocating, lining or excavating the channel, or by enclosing the channel within a structure such as a pipe or culvert. The removal of accumulated sediment and debris in accordance with N.J.A.C. 7:13-8.3, 8.4(c)2 or 11.15 is not a channel modification.
View Source
Channel modification means alteration of a channel by changing the physical dimensions or materials of its bed or banks. Channel modification includes damming, rip-rapping or other armoring, widening, deepening, straightening, relocating, lining and significant removal of bottom or woody vegetation. Channel modification does not include the clearing of dead or dying vegetation, debris, or trash from the channel. Channelization is a severe form of channel modification typically involving relocation of the existing channel (e.g. straightening).
View Source
Channel modification or "channelization" means to alter the Aux Sable Creek by changing the physical dimension or materials of the channel. Channel modification includes damming, riprapping (or other armoring), widening, deepening, straightening, relocating, lining and significant removal of bottom or woody vegetation. Channel modification does not include the clearing of debris or trash from the Aux Sable Creek. Channelization is a severe form of channel modification involving a significant change in the channel cross-section and typically involving relocation of the existing channel (e.g. straightening).
View Source

Examples of Channel modification in a sentence

  • Channel modification work would occur up to seven days a week with almost continuous disturbance from dredging and intermittent disturbance from blasting.

  • Channel modification would require the removal of approximately 59,000 cubic yards of surficial sediment, which would not have to be blasted out, and 125,000 cubic yards of bedrock, which would require blasting to be removed.

  • Channel modification would require the removal of approximately 63,000 cubic yards of “surficial sediment” material, which would not have to be blasted out, and 16,100 cubic yards of bedrock, which would require blasting to be removed.

  • Total cost for Channel modification Enter the cost (to the nearest dollar) of this work type, as close as you can reasonably get it.

  • Provide Channel modification recommendations to mitigate potential rise of base flood elevation (if found).

  • Species Population Agriculture Channel modification Residential development Roads and Railroads Water diversion / Impoundments Livestock ranching Mining Severe weather CCC coho salmon Russian River High High Very High High Very High High High High CCC steelhead ▇▇▇▇▇▇ Creek High High High --- --- --- Table 2: Threats that ranked high or very high for CCC coho salmon, and CCC steelhead, recovery during recovery plan development (NMFS 2012, 2015).