Terracing
Image Source:http://www.dot.ca.gov/hq/LandArch/16_la_design/guidance/ec_toolbox/earthwork/stepped_slope.htm
Terracing is an erosion Best Management Practice (BMPs) that prevents soil from the erosive forces of water. They include constructed ridges and channels across a slope. Once well-constructed, a terrace reduces runoff velocity and accumulation on slopes and prevent soil erosion.
Fact Sheets
Gradient Treatment/Terracing, Chattanooga, Hamilton County Water Quality Program Tennessee
Terracing, City of Nashville Tennessee
Terracing, Urban Drainage and Flood Control District, Denver Colorado
Terracing, United State Department of Agriculture Arkansas