Surface runoff often occurs because impervious areas (such as roofs and pavement) do not allow water to soak into the ground. Surface runoff is a major component of the water cycle. It is the primary agent of soil erosion by water. The land area producing runoff that drains to a common point is called a drainage basin. A stormwater pollution prevention plan, or SWPPP, is required under all Missouri land. disturbance general permits. Some local governments also regulate land disturbance activities and therefore require a SWPPP or what they may refer to as an Erosion and Sediment Control Plan. Feb 28, 2015 · Jared explains why erosion occurs more slowly when soil is paired with leaf debris or plants, in this simple demonstration you can try at home or in class! A... Noteworthy Characteristics. Buchloe dactyloides, known as buffalo grass, is a dioecious, drought-tolerant, heat-resistant, fine-textured, warm season perennial grass that is native primarily to the Great Plains within the area from Minnesota to Montana south to Louisiana and Arizona. Usually interpreted to include rill and interril erosion, sheet erosion is the removal of soil from the land surface by rainfall and surface runoff. Splash erosion, the detachment and airborne movement of small soil particles, is caused by the impact of raindrops on the soil. Erosion and Deposition Using Science Skills Use the ﬁgure below to answer questions 26 and 27. Write your answers on a separate sheet of paper. 26. Interpreting Diagrams What landform feature does the ﬁgure show, and where does such a landform occur? 27. Relating Cause and Effect Describe the likely volume of ﬂow, water Rill Erosion. Rill erosion is the removal of soil by concentrated water running through little streamlets, or headcuts. Detachment in a rill occurs if the sediment in the flow is below the amount the load can transport and if the flow exceeds the soil's resistance to detachment.