Erosion

In earth science, erosion is the action of surface processes (such as water flow or wind) that remove soil, rock, or dissolved material from one location on the Earth's crust, then transport it away to another location. The particulate breakdown of rock or soil into clastic sediment is referred to as physical or mechanical erosion; this contrasts with chemical erosion, where soil or rock material is removed from an area by its dissolving into a solvent (typically water), followed by the flow away of that solution. Eroded sediment or solutes may be transported just a few millimetres, or for thousands of kilometres.

Natural rates of erosion are controlled by the action of geomorphic drivers, such as rainfall; bedrock wear in rivers; coastal erosion by the sea and waves; glacial plucking, abrasion, and scour; areal flooding; wind abrasion; groundwater processes; and mass movement processes in steep landscapes like landslides and debris flows. The rates at which such processes act control how fast a surface is eroded. Typically, physical erosion proceeds fastest on steeply sloping surfaces, and rates may also be sensitive to some climatically-controlled properties including amounts of water supplied (e.g., by rain), storminess, wind speed, wave fetch, or atmospheric temperature (especially for some ice-related processes). Feedbacks are also possible between rates of erosion and the amount of eroded material that is already carried by, for example, a river or glacier. Processes of erosion that produce sediment or solutes from a place contrast with those of deposition, which control the arrival and emplacement of material at a new location.

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Latest News for: river erosion

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Completion of Gabion Wall Project for Minaret of Jam Protection in Ghor Province

Khaama Press 23 Mar 2025
... higher retaining walls and altering the course of the Jam River ... However, due to its geographical location between the Herat and Jam rivers, it has long been vulnerable to flooding and natural erosion.
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China's soil erosion area shrinks in 2024 with continued environmental progress

People Daily 22 Mar 2025
Major river basins, including the Yangtze, Yellow, and Huaihe rivers, accounted for 73.19 percent of the total reduction in soil erosion area nationwide.
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Chesapeake Bay Foundation, Baltimore County residents sue Middle River Depot developers over environmental concerns

Baltimore Sun 22 Mar 2025
... a 53-acre property in Middle River, previously home to an aircraft plant, alleging they are violating sediment and erosion control rules and operating without an adequate stormwater management plan.
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New underpass on Pkl-Shimla highway eases traffic for 50 villages

The Times of India 22 Mar 2025
... NHAI, due to heavy rain in the area from July 8 to July 10, 2023, water accumulated in the catchment area of the Kaushalya-Ghaggar river, causing heavy erosion in the embankment and other structures.
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Outdoors Notebook: Grand Forks man joins Sand County Foundation

Grand Forks Herald 22 Mar 2025
MADISON, Wis ... ADVERTISEMENT. CONSERVATION COVERAGE.. News. Windy, snowless winter accelerates soil erosion in the Red River Valley. Walsh County Three Rivers Conservation District plans Wednesday soil conservation workshops in March. Feb 22 ... Feb 22 ... Feb 16 ... .
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‘Measures to deal with heat wave, drought in Cholistan complete’

The News International 21 Mar 2025
A representational image showing a farmer sitting on a dried out farm land ... The meeting also reviewed the progress of ongoing schemes to prevent river erosion. Relief Commissioner said that cleaning of rivers and canals and drainage should be ensured. .
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Malawi's women sand miners trapped in climate change dilemma

Hindustan Times 21 Mar 2025
"We believe that is contributing to erosion because when we remove the sand, the water comes and fills up the space," she said ... She mines sand at the Mwamphanzi River, even though she knows this makes the flooding worse.
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Get away for Aries season: 4 astrologer-approved destinations for the ram

Usatoday 21 Mar 2025
What government layoffs at U.S. national parks mean for your next trip ... Here are some trip ideas for Aries ... After millions of years of erosion by the Colorado River, the Grand Canyon is a park of epic proportions, views and history.
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Saving fertile lands

Dawn 20 Mar 2025
Soil erosion leads to ... Constructing protective emban-kments, planting trees along the river-banks, and introducing sustainable land management practices can help control erosion, and protect farmland.
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‘A deliberate poisoning’: how a banned pesticide haunts the French Caribbean

The Observer 20 Mar 2025
Tiburce Cléon was just a teenager when he began working in the vast banana plantations of Guadeloupe ... prostate cancer ... View image in fullscreen. A banana plantation in Martinique ... Via rivers, rain and erosion, it pollutes the environment long after use ... .
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Manitowoc council approves four-way stop near Franklin Elementary School \u0026 more city news

Herald Times Reporter 19 Mar 2025
Riverpoint District development projects bid awarded to local company ... The work includes electric utilities, roads, sidewalks, erosion control of the river bank and more, depending on if the city is awarded any grants for the project ... St ... Alisa M.
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Buhisan School Under State of Emergency

Sun Star 18 Mar 2025
The school is situated on rugged terrain at an elevation of 60 meters above sea level, along the sloping mountainside bordering the Kinalumsan River valley. This location makes it prone to erosion, especially during extreme weather conditions.
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A tale of two protests: In Karnataka, port projects set off fears over fishing, livelihood

Financial Express 17 Mar 2025
It will change the whole topography of the river mouth,\u201d he said ... The ownership of land in the village, which comes under the port limits, remains disputed due to accretion, sea erosion and shifting of the Sharavati river mouth over the years.
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Wind farms could kill off Britain's endangered pearl mussels

The Daily Telegraph 16 Mar 2025
Prof Geist warned that pearl mussels are “extremely sensitive” to even small changes in river catchments such as increased erosion that can be caused by large-scale developments such as the construction of giant wind turbines.
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From Andamans to Majuli: Best and unique Island getaways in India

The Times of India 16 Mar 2025
119075413Majuli, AssamMajuli, situated on the Brahmaputra River, is the largest river island in the world ... This island faces the threat of erosion due to the river’s changing course.
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