soil erosion ppt

(2VX15CWM19). Forms of Water Erosion 3. Turf, ornamental grass, and low, spreading shrubs work best since they cover the soil completely. soil erosion is the one of the severe problem now a days. Soil erosion is the process by which soil primary particles and aggregates are removed and lost from their point of origin by wind or water, or even mass wasting from gravitational forces (Troeh et al., 2004). Agricultural soil erosion is the wearing away of topsoil caused by wind, water, and human activities. Soil Conservation Mrs. V. Murphy's Science Class 386745 PPT. Erosion is a type of weathering where surface soil and rock are worn away through the action of glaciers, wind and water. Soil erosion eats away the top soil which is the fertile layer of the land and also the component that supports the soil’s essential microorganisms and organic matter. released/dropped by their agent of erosion –Process of erosion stops: •when the moving particles fall out of the transporting medium and settle on a surface –Speed of the medium slows or the resistance of the particles increases, the balance changes and causes deposition –Speed can be reduced by large rocks, hills, vegetation, etc. Plant roots hold the soil together, while their leaves block rain and stop it breaking the soil apart. Soil erosion is the washing or blowing away (by wind or water) of the top layer of soil (dirt).Erosion also leaves large holes in the earth, which can weaken buildings and even cause them to collapse. The goal of soil quality management on construction sites is to revegetate for protection against See our User Agreement and Privacy Policy. Resources Soil erosion is a naturally occurring process that affects all landforms. Share yours for free! However, wind and water erosion are generally most commonly associated with human activity with respect to agricultural practices. Indicates a reference to a teacher resource. “Soil erosion is the natural process in which the topsoil of a field is carried away by physical sources such as wind and water.” What is Soil Erosion? 1. Identifying erosion problems at the planning stage and noting highly erodible PPT (605 KB) This is a review for SOIL AND EROSION. Left unprotected, sites will be further degraded by erosion and begin to adversely affect the surrounding environment. Erosion is more likely on … Presentation Summary : Soil Erosion The wearing away of soil Loss of soil Dust bowl video Natural Causes of Soil Erosion: Wind Water (rain) Gravity (hills, mountains) Ice (glaciers, The various factors of soil erosion are: 1. Now customize the name of a clipboard to store your clips. This is known as sheet erosion. Shivanand.Aheersang Do you have PowerPoint slides to share? Summary 10. You can change your ad preferences anytime. 18. soil erosion ans soil conservation by Allah dad khan, SOIL PROFILE SOIL EROSION SOIL CONSERVATION CONTROL ON FLOODS. Soil Erosion: three-step process involving the detachment, transport and deposition of soil particles. Soil erosion and deforestation are the main forms of land degradation responsible for the decline in land productivity in turn reducing income of farm households in Ethiopia. Wind Erosion: Wind is the transport mechanism moving a thin layer of soil from land to a point of deposition. The rate of erosion on a construction site varies with site conditions and soil types but is typically 100 to 200 tons per acre and may be as high as 500 tons per acre. Formation of Soil Soil is formed by the process of weathering Weathering is the process of breaking down of rocks or other material into smaller particles due to long exposure to atmosphere Weathering agents are : 1) wind 2) water 3) Temperature 4) pressure The Grand Canyon is a monumental example of erosion. Types and problems we should know about types of soil erosion , its effect on environment and how it to be prevented by various method..in these slides gives brief idea about types and erosion of soil erosion. Conservation Measures 9. Water Erosion 2. Home | Food and Agriculture Organization of the United Nations Various agents, like wind, water, deforestation, overgrazing by cattle, etc., cause soil erosion. situation You can change your ad preferences anytime. See our User Agreement and Privacy Policy. WINNER! Clipping is a handy way to collect important slides you want to go back to later. Wind erosion: Wind blows loose soil off flat or sloping land known as wind erosion. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Members/students will learn about soil erosion and understand how the amount of soil erosion can be impacted by several factors. Abstract Soil erosion is a natural process in which particles of soil are moved by wind and water, and displaced to another location. This can be stopped by planting things in empty areas. Get ideas for your own presentations. Wind, water, ice and gravity are also known as the agents of erosion. In this process, the soil particles are loosened or washed away in the valleys, oceans, rivers, streams or far away lands. Soil Erosion Facts. Soil One of the major products of weathering is soil. Causes of Soil Erosion. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Author: Abbigail M. Dement Created Date: 06/29/2010 07:59:06 Title: Erosion Last modified by: Wind Erosion 5. soil erosion is the one of the severe problem now a days. Types of soil erosion 3) 4) Sheet Erosion: Sometimes water flows as a sheet over large areas down a slope. See our Privacy Policy and User Agreement for details. we should know about types of soil erosion , its effect on environment and how it to be prevented by various method..in these slides gives brief idea about types and erosion of soil erosion. Erosion Impacts Construction activities, such as grading and filling, drastically reduce soil quality on construction sites. Each year about 10 million ha of cropland are lost due to soil We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Effects of Water Erosion 4. The stubble cover over the soil surface is very effective to minimize the soil erosion from water by reducing the raindrop impact on soil particle detachment and lowering of overland flow velocity. Mengesha - Lessons from upstream soil conservation measures to mitigate soil ... Bio engineering methods and their control for soil erosion, No public clipboards found for this slide. Presented by- Spring Lesson 5 - Grade 5 Spring Lesson 5 - Grade 5 - Page 3 Indicates reference to student workbooks. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. The accumulation of soil and crop debris at the. lower end of this field is an indicator of sheet erosion. Mitigation And Soil Erosion 615398 PPT Presentation Summary : Mitigation and Soil Erosion:Adam Baumeister ESS 315, Winter 2010 Erosion: Is the natural process of soil being moved from one place and deposited in another. Soil erosion in sandy soil caused by run off in field ploughed downhill, Butley, Suffolk, England Large clumps of soil and vegetation have moved off the bluffs September 24, 2015 at Pocomo Beach on Nantucket Island, Massachusetts. Humans obtain more than 99.7% of their food (calories) from the land and less than 0.3% from the oceans and other aquatic ecosystems. An engaging PowerPoint presentation on weathering and erosion. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. But it has become a serious problem due to increased anthropogenic interferences over the period of time. Wind. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Tillage Erosion 7. Included Slide Layouts. Learn new and interesting things. States. Bare soil is easily swept away by wind and water, the two main causes of erosion. Looks like you’ve clipped this slide to already. Looks like you’ve clipped this slide to already. Soil erosion is defined as the wearing away of topsoil. Effects of Wind Erosion 6. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The game is a great way to interactively review with your class. Standing Ovation Award: "Best PowerPoint Templates" - Download your favorites today! In other words, it reduces the ability of rain water/wind to detach the soil particles and transport the eroded soil mass or sediments. Effects of Tillage Erosion 8. Soil Erosion Seminar - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Members/students will analyze three (or more) realistic field (location, etc.) Soil erosion is one of the most serious environmental and public health problems facing human society. Bio-engineering measures for soil erosion control, Bio engineering methods and their control for soil erosion, Engineering methods to control soil erosion, No public clipboards found for this slide. If you continue browsing the site, you agree to the use of cookies on this website. If so, share your PPT presentation slides online with PowerShow.com. Covers content targeted by typical state elemen. In N.C., 15% to 32% of eroded soil is transported to valuable water resources (SCS, 1977). Erosion is defined as removal of rocks and soil by wind, water, ice and gravity. Now customize the name of a clipboard to store your clips. The PowerPoint PPT presentation: "Soil Erosion: Causes, Control" is the property of its rightful owner. The term soil erosion covers a wide range of physical and chemical actions, such as removal of soluble matters, chemical changes, disintegration by frost or by rapid changes of temperature, attrition by dust charged wind, scouring by silt laden currents, alternate impact and succession by storm waves, landslides and so on – Fox (1950). Free Presentations in PowerPoint format Soil Erosion Demonstration Age: 8-10 years old (grades 3-4), but easily adapted for all youth 5-19 (grades K-12) Objectives: 1. Stream Bank Erosion: scouring away of stream banks; repeated high flows of extended duration is the cause. Wind erosion: Wind picks up particles of soil or sand and blows them to another location. It's FREE! The natural development of topsoil is a very slow process. Clipping is a handy way to collect important slides you want to go back to later. Many are downloadable. 2. When strong winds blow, the topsoil along with the organic matter is carried away by the wind. Water erosion can be caused by both natural precipitation and applied irrigation. Optimium for grades 3-6, the resource covers erosion, weathering, sediments, deposition and more. Customization Options. In this view, soil erosion has severely threatened the productivity of fertile … If you continue browsing the site, you agree to the use of cookies on this website. The 56-slide presentation contains high-quality photographs that appeal to young students. brief description of definition, causes and mitigation measures of soil erosion Therefore it is occurring since time immemorial. See our Privacy Policy and User Agreement for details. View Soil Erosion And Causes PPTs online, safely and virus-free! Home > PowerPoint Templates > Soil erosion > Soil erosion dried-land-in-the-desert. The removal of topsoil by the natural forces is known as soil erosion. ... WHAT KIND OF CLIMATE SUPPORTS WEATHERING?HIGH PPT LOW PPT COLD HOT. If you continue browsing the site, you agree to the use of cookies on this website. IMPORTANCE OF PLANTS IN CONTROLLING SOIL EROSION Plants provide protective cover on the land and prevent soil erosion for the following reasons: Plants slow down water as it flows over the land (runoff) and this allows much of the rain to soak into the ground Plant roots hold the soil in position and prevent it from being washed away Plants break the impact of a raindrop before it hits the … 1. PowerPoint Template With Soil Erosion Dried-land-in-the-desert Themed Background And A Tawny Brown Colored Foreground Design More info How to order. It is based on the Jeopardy TV show and part of the SOIL AND EROSION UNIT There are 30 questions and they progressively get harder as the game moves along. CrystalGraphics brings you the world's biggest & best collection of soil erosion PowerPoint templates. Definition Weathering and Erosion are the processes that sculpt and mold the surface features of the earth There is a constant conflict between forces that cut down the surface and forces that raise the surface. In such cases the top soil is washed away. Soil erosion is a natural process associated with geomorphic processes or agents such as running water, winds, coastal waves and glaciers. Soil by wind, water, deforestation, overgrazing by cattle, etc., cause erosion... A Tawny Brown Colored Foreground Design more info how to order top layer of erosion... As soil erosion dried-land-in-the-desert Themed Background and a Tawny Brown Colored Foreground Design more info how to order PPT! Best PowerPoint Templates water/wind to detach the soil completely of extended duration is the most organic, nutrient-rich materials soil! Impacts Construction activities, such as grading and filling, drastically reduce soil quality on Construction sites slides... 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