When should you fix a stream
Download
1 / 18

When should you fix a stream???? - PowerPoint PPT Presentation


  • 113 Views
  • Uploaded on

When should you fix a stream????. Let’s look closer at this one. Susquehanna River with Interstate 88 at top of slope. McKinstry Creek existing planform, three bends and 2 crossings over 540 ft of length. Only one good habitat pool. Note 300 ft long straight stretch.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' When should you fix a stream????' - draco


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
When should you fix a stream
When should you fix a stream????

Let’s look closer at this one



McKinstry Creek existing planform, three bends and 2 crossings over 540 ft of length. Only one good habitat pool. Note 300 ft long straight stretch.


McKinstry Creek near Delevan, NY, 5-18-2006, flow left to right

New channel planform (blue line)


Looking DS, Elton Creek, Freedom, NY. Floodplain on both sides has been filled, stream straightened. At 30 ft wide no habitat pools, when stream is 20 ft wide 2 ft deep pools with 40-50 trout per pool!!

What should we do???

(Elton Creek, Freedom, NY)

Looking Downstream

Photo by Maureen Mayer


What do we do here???? (North Carolina) sides has been filled, stream straightened. At 30 ft wide no habitat pools, when stream is 20 ft wide 2 ft deep pools with 40-50 trout per pool!!


What about here north carolina
What about here?? (North Carolina) sides has been filled, stream straightened. At 30 ft wide no habitat pools, when stream is 20 ft wide 2 ft deep pools with 40-50 trout per pool!!


What about this stream west virginia
What about this stream?? (West Virginia) sides has been filled, stream straightened. At 30 ft wide no habitat pools, when stream is 20 ft wide 2 ft deep pools with 40-50 trout per pool!!


Same stream west virginia
Same Stream (West Virginia) sides has been filled, stream straightened. At 30 ft wide no habitat pools, when stream is 20 ft wide 2 ft deep pools with 40-50 trout per pool!!

  • Straightened

  • Incised

  • Over - widened

  • Very little pool-riffle-pool

  • Very little wood in stream or high quality aquatic habitat (cover, depth, etc)

  • Single row of ageing veg as riparian corridor


Same stream west virginia lots of room in the valley
Same Stream (West Virginia) Lots of room in the valley sides has been filled, stream straightened. At 30 ft wide no habitat pools, when stream is 20 ft wide 2 ft deep pools with 40-50 trout per pool!!


Abandon channel start fresh
Abandon channel, start fresh!! sides has been filled, stream straightened. At 30 ft wide no habitat pools, when stream is 20 ft wide 2 ft deep pools with 40-50 trout per pool!!

Transform old channel into connected wetland cells

  • Use dirt from new channel to create wetland cells in old channel (maximize diversity)

  • Use some old veg for LWD in new channel

  • Plant all riparian areas (shade, wildlife, pollinators)

  • Maximize all stream functions

New stream channel with all bells & whistles



This is where the headcut has been
This is where the headcut has been grade stabilization????



Bob s creek where to start
Bob’s Creek. Where to start?? grade stabilization????


What about this one
What about this one?? grade stabilization????

House here



Questions
QUESTIONS???? thing going on !!


ad