What does erosion mean?
Erosion is the geological process in which earthen materials are worn away and transported by natural forces such as wind or water. A similar process, weathering, breaks down or dissolves rock, but does not involve movement.
How do you use Erosion in a sentence?
For many years, the town has been threatened by the erosion of the river banks. The helicopter ride was demonstrating the widespread erosion of the surrounding plains. The granite forms the prevailing rock in valleys of erosion .
What’s another word for erosion?
What is another word for erosion?
What is the root of erosion?
from Latin erosionem (nominative erosio) “a gnawing away,” noun of action from past participle stem of erodere “to gnaw away, consume,” from assimilated form of ex “away” (see ex-) + rodere “to gnaw” (possibly from an extended form of PIE root *red- “to scrape, scratch, gnaw”). Related: Erosional.
How is erosion caused?
Erosion is the process by which the surface of the Earth gets worn down. Erosion can be caused by natural elements such as wind and glacial ice. But anyone who has ever seen a picture of the Grand Canyon knows that nothing beats the slow steady movement of water when it comes to changing the Earth.
Why does erosion happen?
Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity. Mechanical weathering physically breaks up rock. One example is called frost action or frost shattering. Water gets into cracks and joints in bedrock.
How can erosion be prevented?
You can reduce soil erosion by: Maintaining a healthy, perennial plant cover. Mulching. Planting a cover crop – such as winter rye in vegetable gardens. Placing crushed stone, wood chips, and other similar materials in heavily used areas where vegetation is hard to establish and maintain.
What’s the difference between weathering and erosion?
When the smaller rock pieces (now pebbles, sand or soil) are moved by these natural forces, it is called erosion . So, if a rock is changed or broken but stays where it is, it is called weathering . If the pieces of weathered rock are moved away, it is called erosion .
What is erosion by water?
Water erosion is the detachment and removal of soil material by water . Water erosion wears away the earth’s surface. Sheet erosion is the more-or-less uniform removal of soil from the surface. Rill and gully erosion occurs when concentrated runoff cuts conspicuous channels into the soil.
What is the opposite word of erosion?
What are the antonyms for EROSION ? rebuilding, gain, construction, buildup, strengthening, increase, building.
What human activities can speed erosion up?
These activities include overgrazing, deforestation, and human induced climate change. Aside from desertification, there is no doubt that human activities are a major cause of soil erosion in general.
What is the opposite of erosion?
“Accretion” is the term which applies to the gradual increase or acquisition of land by the action of natural forces washing up sand, soil or silt from the water course or seashore. The opposite of accretion, “ erosion ” is the gradual washing away of land along the shoreline.
What is erosion used for?
In earth science, erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth’s crust, and then transports it to another location (not to be confused with weathering which involves no movement).
What are skin erosions?
Skin erosion : Skin erosion is a loss of some or all of the epidermis (the outer layer) leaving a denuded surface. Erosion is an eating away of a surface. The word ” erosion ” comes from the Latin “erodere” meaning to eat out.
What are the agents of erosion?
The agents of soil erosion are the same as the agents of all types of erosion: water , wind , ice , or gravity . Running water is the leading cause of soil erosion, because water is abundant and has a lot of power.