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  1. Agricultural Drainage Channels

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

    Throughout much of the North Central Region of the United States streams have been modified to enhance surface and subsurface drainage of the adjacent landscape for reliable, economically viable production of agricultural commodities (Figure 1). ...

  2. Ohio Two-Stage Channels

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

    Klase Ditch was modified to a two-stage channel to increase conveyance capacity and reduce flooding in fields adjacent to the channel. The original channel was incised and had bank stability issues throughout the project reach that required the landowner ...

  3. Self-Forming Channels

    https://agditches.osu.edu/case-studies/self-forming

    The self-forming channel design seeks to construct a state from which a stream suited to the hydrogeomorphic setting develops through succession. Since 2005, twenty-six self-forming stream designs have been constructed and tracked.  Nine have been monitor ...

  4. Indiana Two-Stage Channels

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

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  5. Cost Estimator

    https://agditches.osu.edu/tools-and-models/cost/2sc2e

    Two-Stage Ditch Cost Estimator Tool Managing drainage ditches, especially when they are not functioning properly, can be expensive. Multiple options exist for how landowners can manage their drainage ditches. In order to determine which option will be bes ...

  6. Channel Assessment & Design

    https://agditches.osu.edu/tools-and-models/channel-assessment-design

    S preadsheet  T ools for  Ri ver  E valuation,  A ssessment, and  M onitoring (STREAM) Modules Stream physical condition is increasingly a priority for resource managers. Assessment, monitoring and restoration techniques continue to be developed and stand ...

  7. Tools and Models

    https://agditches.osu.edu/tools-and-models

    Stream and ditch physical condition is increasingly a priority for resource managers. Assessment, monitoring, naturalization and restoration techniques continue to be developed and standardized. Toward these ends a suite of spreadsheet tools, the STREAM M ...

  8. Two-Stage

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

    Two-stage channels have been applied mostly throughout the Great Lakes states.  As of 2013, we estimate 60 to 100 projects utilizing the two-stage channel design approach have been implemented totalling 40 to 60 miles.  The following map shows the distrib ...

  9. Minnesota Two-Stage Channels

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

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  10. Water Quality

    https://agditches.osu.edu/tools-and-models/water-quality

    The benefits of ditches extend way beyond drainage and production. Well-functioning drainage ditches also can provide many services to the watershed including protecting valuable downstream resources such as lakes, rivers, and estuaries. The Ohio State Un ...

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