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.
A presentation on soil erosion conservation consisting of causes of erosion, need for soil conservation along with various prevention techniques for soil conservation.
THIS PRESENTATION IS ON SOIL EROSION WHICH INCLUDES A BRIEF DESCRIPTION ABOUT SOIL EROSION, CAUSES OF SOIL EROSION,EFFECTS OF SOIL EROSION AND SOLUTIONS FOR PREVENTING SOIL EROSION
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.
A presentation on soil erosion conservation consisting of causes of erosion, need for soil conservation along with various prevention techniques for soil conservation.
THIS PRESENTATION IS ON SOIL EROSION WHICH INCLUDES A BRIEF DESCRIPTION ABOUT SOIL EROSION, CAUSES OF SOIL EROSION,EFFECTS OF SOIL EROSION AND SOLUTIONS FOR PREVENTING SOIL EROSION
Erosion refers to detachment and transport of soil and soil materials by water, wind, ice or gravity.
No soil phenomenon is more destructive worldwide than the erosion caused by wind and water. Erosion damages the site on which it occurs and also has undesirable effects off-site in the larger environment.
In this ppt i try to explain introduction of land degradation .and also causes of it .and explain with figure . i expect that my ppt usefull to all.THIS PPT use for enviroment also.
Soil and water conservation engineering, water erosion, types of water erosion, splash erosion, sheet erosion, rill erosion, gully erosion, stream bank erosion, coastal erosion
Erosion refers to detachment and transport of soil and soil materials by water, wind, ice or gravity.
No soil phenomenon is more destructive worldwide than the erosion caused by wind and water. Erosion damages the site on which it occurs and also has undesirable effects off-site in the larger environment.
In this ppt i try to explain introduction of land degradation .and also causes of it .and explain with figure . i expect that my ppt usefull to all.THIS PPT use for enviroment also.
Soil and water conservation engineering, water erosion, types of water erosion, splash erosion, sheet erosion, rill erosion, gully erosion, stream bank erosion, coastal erosion
What is Erosion?
Human Causes of Erosion
Natural Causes of Erosion
What are the Causes of Soil Erosion?
What are the Effects of Soil Erosion?
Soil Erosion Prevention Methods
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Environmental science Module 1 Topic. This PPT is not a work of mine and was provided by our college professor during our graduation, so I am not sure about the original author. The credit goes to the Original author.
Water and wind erosion are natural processes that can cause the loss and movement of soil and sediment. Here's a brief description of each:
Water erosion: Water erosion occurs when rainfall or runoff flows over the land, picking up and carrying away soil particles. The intensity and duration of rainfall, the slope of the land, and the presence or absence of vegetation all contribute to the severity of water erosion. It can lead to the formation of gullies, rills, and streambank erosion, as well as the loss of fertile topsoil. Water erosion can have detrimental effects on agricultural lands, causing decreased soil fertility, reduced crop productivity, and sedimentation in water bodies.
Wind erosion: Wind erosion occurs when strong winds blow over bare or poorly protected soil surfaces, lifting and transporting soil particles. It typically affects areas with dry or arid climates and exposed soils lacking vegetation cover. Wind erosion can result in the formation of sand dunes, the removal of topsoil, and the deposition of sediment in unwanted areas. It can have significant consequences for agricultural productivity, damaging crops, reducing soil fertility, and causing desertification in severe cases.
Both water and wind erosion can be exacerbated by human activities such as deforestation, improper land management practices, overgrazing, and construction without adequate soil conservation measures. Effective erosion control measures include the implementation of erosion control structures, contour plowing, terracing, planting windbreaks or shelterbelts, establishing cover crops, and implementing proper water management techniques to minimize runoff.
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It discusses about how soil is degraded,what are the majors factors for soil degradation,problems occuring due to poor management of soil and soil management through different techniques.
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The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
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Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
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2. What is Soil Erosion?
Soil erosion is the removal of the topsoil from the land.
This is due to several factors but basically the chief
cause is man’s misuse of the land( human
mismanagement)
3. Types of Erosion
Sheet erosion, which is the removal of uniform layer of
soil by moving water. It is most common in sloping fields
where water caused tiny-particles to move downwards
4. Gully erosion, which is the removal of soil by the action
of water especially in steep areas where the water
creates gullies
5. Wind erosion, which is the removal of loose soil through
the process of deflation. This occurs in areas where the
land is bare and dry resulting in the particles becomes
loosened and therefore susceptible to force of the wind
6. Some Causes of Soil Erosion
Overgrazing by livestock: animals crop the grass to a
low level thus leaving soil bare and open to wind action
8. Over cropping as well as monocropping : this leads to
soil deterioration as minerals and organic matter are
depleted when a wide variety of crops is intensively
cultivated for a number of years without crop rotation.
9. Deforestation : removal of vegetation from forested hill
slopes for lumbering, to make way for agricultural or
settlement activity. Once the vegetation are removed and
no quick replacement implemented, soil erosion takes
place.
10.
11. Soil Conservation
To achieve this there has to be proper management of the
land, better farming techniques and a gradual return to
permanent grass or forest.
Terracing :flat step like structure cut on steep slopes. This
reduces rate of run off. In addition earth banks, spillways
and drainage channels may be employed
12. Strip cropping: crops are grown close together in strips
to ensure soil cover
13. Crop rotation and diversification: prevent soil
exhaustion as one crop replaces nutrients used by
another: irrigation provides moisture preventing wing
erosion: application of fertilizers minimizes soil
deterioration
Contour ploughing: crops are planted in horizontal
rather than vertical. This reduces run off and helps to
maintain soil moisture
14. A forestation and reforestation: planting and replacing
of trees respectively which act as protection for soil from
heavy downpour, roots absorb excess water, and bind
soil particles together
15. Windbreaks and shelter belts: trees planted in a line
along the path of the wind. This checks wind speed and
force. Crop are protected from the forces of the wind with
this.
16.
17. Thank You for your time
and attention!
Hope this presentation
was educational and
helpful to you
