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.
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 one of the severe problem now a days. 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.
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 one of the severe problem now a days. 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.
Soil is a natural body of mineral and organic constituents differentiated into horizons - usually unconsolidated - of variable depth which differs among themselves as well as from the underlying parent material in morphology, physical makeup, chemical properties and composition and biological characteristics
Factors responsible for land degradation and management o...sunil kumari
Factors responsible for land degradation and management of degraded land.
Land degradation means
Causes of Land Degradation
Methods for Assessing Land Degradation
Prevention and Control Measures for Land Degradation
Soil conservation problems and their managementChiter Mani
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.
The detail information about types of soil degradation and factors affecting soil degradation.
SSAC-242 Problematic soil and their management.
Lecture No. 1 Soil Degradation- definition, types, factors, processes.
wind erosion and its control measures, factor affecting wind erosion, mechanics of wind erosion, types of soil transportation, suspension, saltation and surface creep, windbreak, shelterbelt, sand duns
Waterlogging Types & Causes of Waterlogging Effects & its control Salinity Ef...Denish Jangid
waterlogging with figures water resource engineering by DJ sir unit 4 WRE
Water logging, effects & its control salinity, effects & its control water logging types & causes of waterlogging
Effects of waterlogging on plant growth causes of salinity effects of salinity measures to control salinity preventive measures curative measures
How to Prevention of water logging.
Water Logging: Causes, preventive and curative measures, drainage of
irrigated lands, saline and alkaline lands, types of channels lining and design
of lined channel.
Soil is a natural body of mineral and organic constituents differentiated into horizons - usually unconsolidated - of variable depth which differs among themselves as well as from the underlying parent material in morphology, physical makeup, chemical properties and composition and biological characteristics
Factors responsible for land degradation and management o...sunil kumari
Factors responsible for land degradation and management of degraded land.
Land degradation means
Causes of Land Degradation
Methods for Assessing Land Degradation
Prevention and Control Measures for Land Degradation
Soil conservation problems and their managementChiter Mani
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.
The detail information about types of soil degradation and factors affecting soil degradation.
SSAC-242 Problematic soil and their management.
Lecture No. 1 Soil Degradation- definition, types, factors, processes.
wind erosion and its control measures, factor affecting wind erosion, mechanics of wind erosion, types of soil transportation, suspension, saltation and surface creep, windbreak, shelterbelt, sand duns
Waterlogging Types & Causes of Waterlogging Effects & its control Salinity Ef...Denish Jangid
waterlogging with figures water resource engineering by DJ sir unit 4 WRE
Water logging, effects & its control salinity, effects & its control water logging types & causes of waterlogging
Effects of waterlogging on plant growth causes of salinity effects of salinity measures to control salinity preventive measures curative measures
How to Prevention of water logging.
Water Logging: Causes, preventive and curative measures, drainage of
irrigated lands, saline and alkaline lands, types of channels lining and design
of lined channel.
Engineering methods to control soil erosionSantosh pathak
Engineering methods deal with the physical structures that stops or try to prevent the happening of soil erosion.
Bioengineering is different terms than the civil engineering. Bioengineering uses the plants or trees to prevent the soil erosion whereas civil engineering deals about the construction of dams, walls,terrace etc.
Bio engineering methods and their control for soil erosionSantosh pathak
integrated technology that uses sound engineering practices in conjuction with ecological principles to: design & construct vegetative living system to prevent erosion,
stabilize shallow areas of soil instability, protect and enhance healthy system. uses live plant materials and flexible engineering techniques to eliminate environmental problems.
Application of Basic Remote Sensing in GeologyUzair Khan
Application of basic remote sensing in Geology. This presentation tries to discriminate the lithology in the Landsat-7 scene located Karachi West. Although other enhanced methodology available to discriminate the rock types, here just a band ratios and simple band combination used for lithology identification.
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
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.
SOIL EROSION AND CONSERVATION Copy.pptxDAMINI SAHA
It is my very fast ppt presentation. I gathered all the information from internet. Hope this will helps you to understand the whole topic in simple manner.
Electronic commerce, commonly known as e-commerce
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My latest upload : #Christmas: A #Festival of #Magic @slideshare http://www.slideshare.net/moocsengine/corporate-dressing-etiquettes-29345919 … via @SlideShare
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Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
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For more information, visit-www.vavaclasses.com
2. Introduction: 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.
Soil erosion is a natural process. It becomes a problem when
human activity causes it to occur much faster than under natural
conditions
Soil erosion occurs when soil is removed through the action of
wind and water at a greater rate than it is formed. If the soil has
eroded, the crops will not grow very well.
3. What is soil erosion?
When a raindrop hits soil that is not protected by a cover of
vegetation and where there are no roots to bind the soil, it has
the impact of a bullet.
Soil particles are loosened, washed down the slope of the
land and either end up in the valley or are washed away out
to sea by streams and rivers.
Erosion removes the topsoil first. Once this nutrient-rich
layer is gone, few plants will grow in the soil again.
Without soil and plants the land becomes desert like and
unable to support life.
4.
5. Causes of soil erosion
Wind and water are the main agents of soil erosion. The amount of
soil they can carry away is influenced by two related factors:
speed - the faster either moves, the more soil it can erode;
plant cover - plants protect the soil and in their absence wind
and water can do much more damage.
Erosion occurs when farming practices are not compatible with the
fact that soil can be washed away or blown away. These practices
are:
Overstocking and overgrazing
Inappropriate farming techniques
Lack of crop rotation
Planting crops down the contour instead of along it.
6.
7.
8.
9. Prevention
Planting wind breaks can be effective
Terracing can also be effective.
The use of contour ploughing
Leave unploughed grass strips between ploughed lands (strip
cropping)
Make sure that there are always plants growing on the soil, and
that the soil is rich in humus
Avoid overgrazing
Allow indigenous plants to grow along riverbanks
Conserve wetlands
Cultivate land, using a crop rotation system
Minimum or no tillage
Encourage water infiltration and reduce water runoff.
10.
11. 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 soil, thus
reducing its ability to erode
Plants in wetlands and on the banks of rivers are of particular
importance as they slow down the flow of the water and their
roots bind the soil, thus preventing erosion.