A field study on cost‐effectiveness of five erosion control measures
2009
Purpose – The purpose of this study is to quantitatively evaluate five erosion control measures at a residential development area in Louisiana, USA in order to provide Best Management Practices (BMPs) that have been tested in the field with demonstrated cost‐effectiveness.Design/methodology/approach – A total of six testing sites at a nine‐degree slope were used in parallel to study five erosion control measures with one being the control site (no protection). Soil erosion rate was quantified using the erosion bridge method. Soil underlying the study area was analyzed for surface runoff potential. Precipitation was monitored using a Sigma rain gauge. Analysis of variance (ANOVA) and Student Newman‐Keuls Post‐Hoc ANOVA analysis were conducted to evaluate statistical significance of erosion control effectiveness. Ratio of soil erosion rate reduction to cost of each control measure is also analyzed.Findings – All erosion control measures studied were very effective in reducing soil erosion for soils with hig...
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