PDF-Soil Erosion

Soil Sheet Rill and Wind Erosion Concentrated Flow Erosion Shoreline Bank and Channel Erosion Soil Quality Degradation Water Air Plants Animals Energy Soil Erosion Sheet Rill and Wind Erosio. Soil erosion and sediment control is not a new technology The USDA Soil Conservation Service and a number of State and local agencies have been developing and promoting the use of erosion and sediment control devices for years This chapter provides Methods of soil conservation (ch3). The key aspects discussed in this chapter are:. Windbreaks. Contour ploughing. Stubble planting. Terraces. Stone walls. Reduce farming in dry weather. Windbreaks. Reforestation. in Poland. This project has been funded with support from the European Commission.. This publication reflects the views only of the author, and the . Commision. cannot be held responsible for any use which may be of the information contained therein.. Chad Lentz. Why Care?. Removes valuable topsoil. Carries away expensive nutrients. Increase tillage costs to fix. Creates algae blooms and dead zones due to excess nutrients in waterways. Types of Erosion. degredation. is…... The decline in quality of and quantity of soil. It includes:. Erosion by wind and water. Biological . degredation. (loss of humus and plant life). Physical . degredation. (loss of structure, change in . How Much is Dirt Worth?. How Much is Dirt Worth?. Soils produce our food. They are essential to our survival.. How Much is Dirt Worth?. Soils produce our food. They are essential to our survival.. Good soils are a limited, nonrenewable resource.. Josh Page. CE 547 – GIS in Water Resource Engineering. April 23. rd. 2012. Revised Universal Soil Loss Equation (RUSLE). RUSLE . computes . average . annual erosion from field slopes in tons/acre/year . Chapter 7. Section 7.1 Weathering. Weathering is the process by which rocks on or near Earth’s surface break down and change. . Erosion is the removal and transport of weathered material from one location to another.. Essential. . Questions. :. How does human activity affect the soil on the Earth’s surface?. How can humans conserve our soil? . Standards. S6E5i. Explain the effects of human activity on the erosion of the earth’s surface.. erosion is the process by which the products of weathering are transported. agents of erosion are gravity, wind, glaciers, water, ocean waves, currents streams, groundwater. What is erosion?. What is Soil Erosion?. Uppermost layer of earth’s crust that supports plants, animals and microbes. Soil Forming Factors. Parent Material. Time. Climate. Vegetation & Organisms. Topography. 1. Parent Material. Refers to the rock and minerals from which the soil derives.. THK JAIN COLLEGE. WHAT IS SOIL EROSION. . Soil erosion is a type of soil degradation in which there is wearing away or displacement of the upper layer of soil (topsoil).. Soil erosion is a global threat in the current world scenario.. By. :. Sabyasachi. S. Roy. Sr. Instructor (Track). IRICEN, Pune. Erosion. Process of detachment and transportation of soil particles by erosive agents.. Primary Agents of Surface Erosion. Wind. Water. DSE3T : Factor, Processes and Mitigation Soil Erosion Soil is the most precious gift of nature - Prime resource - for food, fodder etc. for food, fodder etc. It is the earth’s fragile covering t