Optimizing the placement of riparian practices in a watershed using terrain analysis
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Resource Abstract:
Riparian buffers and constructed wetlands are best management practices (BMPs) that can improve water quality. However, these
practices are not equally effective in all locations. Our objective was to develop maps to help plan the placement of BMPs
in a watershed for water quality benefits. Tipton Creek, a 49,000-acre Iowa watershed, provided a case study. Buffer-placement
maps, developed from analysis of 30 m (100 ft) elevation data, identified riparian locations with large wetness indices, where
buffer vegetation could intercept sheet/rill flows from significant upslope areas. These sites were numerous, typically small
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Citation
Title Optimizing the placement of riparian practices in a watershed using terrain analysis