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Identify Specific Process Relations Potentially Affected

This step involves a review and understanding of the linkage among variables influenced by the various land use activities and potential erosional process impacts. Table 8 (PDF, 36 kb, 1 p.) is a summary of variables influenced by land uses and the erosional processes potentially affected. This information needs to be

  1. Checked against the land use history that specifies past and present land use and channel impacts as compiled in Worksheet 1b (PDF, 72 kb, 1 p.); and

  2. Related to potential impacts on water quality and designated uses using Worksheet 1c (PDF, 86 kb, 1 p.). This worksheet relates the direct impacts of land uses, such as streamflow change, to potential indirect and direct erosional impacts, including mass erosion, gully erosion, streambank erosion, channel enlargement, channel aggradation or degradation, change in stream type, and change in sediment delivery capabilities.
There are many places and processes within a watershed that have a low risk or unlikely impact on sediment supply and channel stability. For these areas, it is not necessary to proceed with a more detailed assessment. However, there are areas identified at this level that are potentially contributing to sediment and stability problems that need a more detailed assessment.

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