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  1. Ohio Two-Stage Channels

    https://agditches.osu.edu/case-studies/two-stage/ohio

    two-stage channel was constructed in 2005... Needles Creek was a relatively stable drainage channel that ... drainage. The reach of Needles Creek that was modified to a two-stage channel is owned by the Ohio ... two-stage channel was sized and constructed as a.....   Sugar Creek is an agricultural drainage channel ...

  2. Two-Stage Ditch Symposium

    https://ohiowatersheds.osu.edu/resources/stream-systems/two-stage-ditch-symposium

    alternatives to traditional agricultural drainage channels. Below are links to recordings of the symposium ... two-stage ditch site when its available]. Background: Drainage channels in agricultural watersheds have been ... drainage ditches, including two-stage and self-forming channels. Presentations: Alternative Best Management ...

  3. Two-Stage Channels

    https://agditches.osu.edu/channel-designs/two-stage

    the large drainage channel within a well-defined small channel in the center of the large channel ... (2) a major part of the flow entering the channel is subsurface drainage, which contains very little ... channel for a bench width ratio of three times the inset channel width. Large, deep drainage channels ...

  4. Agricultural Drainage Channels

    https://agditches.osu.edu/ag-drainage-channels

    Historically, agricultural drainage channel designs have a simplified form, disconnected floodplains, little ... use is dependent upon the drainage function the channel provides.  However, water quality problems ... enhance surface and subsurface drainage of the adjacent landscape for reliable, economically viable ...

  5. Agricultural Drainage Ditches

    https://streams.osu.edu/projects/agricultural-drainage-ditches

    the term agricultural drainage ditch to describe any channel with a primary purpose as an outlet for ... Highly modified channels drain extensive portions of productive agricultural land in the United ... States. In the North Central Region, drainage ditches were either dredged into existence or were natural ...

  6. Tributary to Bull Creek

    https://agditches.osu.edu/bull_creek

    primarily to enhance the conveyance capacity of the drainage channel to reduce flooding in the adjacent ... CHARACTERISTICS Drainage Area: 3.5-square miles Channel Slope: 0.18% Project Length: 1099-feet PROJECT COSTS: ... was the first site to implement the two-stage channel design procedure. The project was undertaken ...

  7. Davis-Freeman Ditch

    https://agditches.osu.edu/davis_freeman

    drainage channel was maintained or “dipped out” in 2007 to enhance conveyance capacity and improve the ... two-stage channel to trapezoidal channel. SITE PHYSICAL CHARACTERISTICS Drainage Area: 7.0-square miles ... Watershed Plan (2005) as a critical area providing excessive sediment to Cedar Creek. The channel drains ...

  8. Needles Creek

    https://agditches.osu.edu/needles_creek

    stable drainage channel that underwent intermittent maintenance prior to the two-stage construction. ... fields have improved subsurface drainage. The reach of Needles Creek that was modified to a two-stage ... channel is owned by the Ohio Department of Natural Resources (ODNR), Wildlife Division. ODNR designed and ...

  9. Scientific Information: References

    https://agditches.osu.edu/management-options/scientific-information-references

    ecological function of channelized streams and drainage canals. Journal of Soil & Water Conservation ... Wilson, and J. Nieber. 2012. Channel evolution of Des Moines Lobe till drainage ditches in southern ... two stage drainage channels: considerations for cohesive sediments and conveyance. International ...

  10. Natural Channel Designs for Drainage Ditches

    https://ohiowatersheds.osu.edu/resources/human-dimensions/mental-models/natural-drainage-management

    Channel Design site and Ohioline- Agricultural Drainage site. Ohio State University Extension?s Ohio ...   Rural drainage systems or ditches are networks of manmade and natural drainage ways where water ... channel? designs incorporate floodplain zones that increase the volume of water the ditch can hold and ...

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