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Erosion is the displacement of solids (soil, mud, rock and other particles) by the agents of wind, water or ice, by downward or down-slope movement in response to gravity or by living organisms (in the case of bioerosion). Erosion is distinguished from weathering, which is the decomposition of rock and particles through processes where no movement is involved, although the two processes may be concurrent.

Erosion is an intrinsic natural process but in many places it is increased by human land use. Poor land use practices include deforestation, overgrazing, unmanaged construction activity and road or trail building. However, improved land use practices can limit erosion, using techniques like terrace-building and tree planting.

A certain amount of erosion is natural and, in fact, healthy for the ecosystem. For example, gravels continually move downstream in watercourses. Excessive erosion, however, can cause problems, such as receiving water sedimentation, ecosystem damage (including fish kills) and outright loss of soil.

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Soil Erosion :: Geomorphology
Agriculture :: Environment
Soil Erosion :: Geotechnical

 
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$gbpusd last week low 1.6052 feels like the end of the road for STG's Monday erosion
hammerfx (Bock Dharma) Mon, 21 Dec 2009 19:05:25 -0000
$gbpusd last week low 1.6052 feels like the end of the road for STG's Monday erosion
Nifty little op-ed about erosion of civil liberties still continuing under Obama: http://bit.ly/4EfA6Q With sources! Delicious.
BearNamedTrubl (Peter Marszalek) Mon, 21 Dec 2009 18:41:34 -0000
Nifty little op-ed about erosion of civil liberties still continuing under Obama: http://bit.ly/4EfA6Q With sources! Delicious.
Will North Carolina consider loosening its ban on erosion-control structures, after recent washout in Outer Banks? http://bit.ly/6zFu4f
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Best Management Practices for Soil Erosion - An online book with introductory information regarding different kinds of soil erosion such as geological erosion and accelerated erosion.

Corn, Soil Tillage and Soil Erosion - Specific information regarding soil management and the benefit of corn when combatting erosion.

Demonstration Erosion Control Home - The Demonstration Erosion Control (DEC) project investigates the effectiveness of reducing erosion, sedimentation, and flooding.

Environmental and Economic Costs of Soil Erosion and Conservation Benefits - Excerpts from article in Science magazine, by Pimentel et al . (1995).

EPA: Best Management Practices for Soil Erosion - A computer program which provides information about soil erosion and the severity of erosion. Water erosion is explained and detailed descriptions of management and structural practices to control erosion.

Erosion processes and modelling - Provides information on the processes and modelling of raindrop impact induced erosion abd the modelling of erosion in catchments (watersheds)

500 Erosion Technology Consulting - Soil erosion control information, consulting, photographs, and dictionary of terms.
Meta Description: [ Soil erosion control information, consulting, photos, dictionary of terms, etc. ]

500 Eurosem - Resources related to the European soil erosion model, which simulates erosion on an event basis for fields and small catchments.
Meta Description: [ This page provides information on European Soil Erosion Model (EUROSEM) part of a research programme at National Soil Resources Institute. ]

Geoindicators: Soil and Sediment Erosion - Basic information about erosion patterns, causes, and solutions.

Ground Cover Plants - Article on ground cover usage, advantages, and disadvantages. Includes a checklist of over 250 types of plants.
Meta Description: [ Ground cover plants - growing carefully selected plants that can spread to cover the ground and that will out-compete the weeds. ]

International Erosion Control Association - Provides education, resource information and business opportunities for professionals in the erosion and sediment control industry.
Meta Description: [ The International Erosion Control Association is a non-profit organization that provides erosion & sediment control education, resource information and business opportunities. ]

National Sedimentation Laboratory - It emphasizes research dealing with soil erosion; transport and deposition of sediment; movement of chemicals on upland areas and in streams; the impact of agricultural practices, in-stream structures, and bank protection on these processes; water quality; and the ecological well-being of streams.

National Soil Erosion Research Laboratory - This U.S. Department of Agriculture area is the focal point for the national research program in soil erosion by water.

OLIVERO EU Research project - A project aiming to improve olive plantation systems on sloping and mountainous land. These are vital for erosion and fire control in most of the mediterranean countries.
Meta Description: [ OLIVERO EU PROJECT - The future of olive plantation systems on sloping and mountainous land; scenarios for production and natural resource conservation ]

on Control Structures - Diversion terraces, grassed waterways, surface inlets, and hedgerows are the most common structures used for soil conservation.

Organic Agriculture - Chemical agricultural practices are contributing to global warming, climate change, weather pattern disruption, erosion, and starvation.
Meta Description: [ Chemical agricultural practices are contributing to global warming, climate change, weather pattern disruption, erosion, and starvation. Organic agriculture must relpace chemical food production. Hemp replenishes the soil, reduces use of trees and fossil fuels, and reverses erosion damage. ]

Permanent Cover Cropping System, Steve Groff, Cedar Meadow Farm - This site covers innovative practices and cropping strategies to increase profits and greatly reduce soil erosion and pesticides.
Meta Description: [ This Sustainable Agriculture site covers No-tillage Vegetables in Organic Mulch at Cedar Meadow Farm. Cover crops, crop rotation, and long term no-tillage = less pesticides. Soil health has improved with increases in organic matter and better soil tilth. Earthworms and microbes have also increase... ]

Redwood-Cottonwood Rivers Control Area - Non-regulatory organization that works to enhance and protect the Redwood and Cottonwood Rivers. Site includes journals, technical information, news, events, images, and details of how to get involved.

Revised Universal Soil Loss Equation 2 - Overview of RUSLE2 - Computer program that estimates rates of soil erosion caused by rainfall and associated overland flow. Free download available together with documentation and manuals.

Serious Erosion Areas - A look at some of the serious erosion areas in the United States.

Soil and Water Conservation Society - The Soil and Water Conservation Society is an international organization that fosters the science and the art of soil and water conservation to achieve sustained use of land resources.

Soil Erosion - Information of soil erosion from the University of Western Cape, South Africa.

Soil Erosion in Agricultural Systems - Cause and effects of soil erosion in agricultural systems.

Soil Erosion Net - Collection of information on soil erosion from a wide range of scientific disciplines.
Meta Description: [ Soil erosion is a major global environmental problem. This site gives reliable and accessible information on erosion's causes, impacts, and control ]

Soil Erosion on Farmland - Online publication from New Zealand government sustainable agriculture program. Intended as a source of information for use by farmers, local government, farmer organisations, farm advisers and others who have an influence on rural land use.

Soil Resource Management - References about the fertility, compaction, testing and conservation of soil. Published by the University of Nebraska.
Meta Description: [ The University of Nebraska-Lincoln, founded in 1869, is one if the nation's premier land-grant institutions. UNL is a member of the Association of American Universities and is classified by the Carnegie Foundation for the Advancement of Teaching as a Doctoral/Research University-Extensive. ]

Sustainable Agriculture and Rural Development. - Sustaining and protecting the soil and natural resources for production.

The National Soil Tilth Laboratory - USDA organization with mission to develop, evaluate, and promote management practices that enhance surface and ground water quality.
Meta Description: [ United States headquarters for research on soil. Publications, research, software availible. ]

USDA-ARS National Soil Erosion Research Laboratory - Information regarding: Erosion process research, erosion control research, and delivery of improved erosion prediction technology.

Water Erosion Prediction Project (WEPP) - The WEPP-model, developed by the U.S. Department of Agriculture, is a process-based, distributed model for soil erosion prediction. Model software and documentation can be obtained through this site.
Meta Description: [ Predicting soil erosion using the WEPP model for forest applications ]

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