accelerated erosion
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accelerated erosion — /əkˌsɛləreɪtəd əˈroʊʒən/ (say uhk.seluhraytuhd uh rohzhuhn) noun erosion which results from human activities, such as surface mining, agriculture, construction, etc., and which takes place at a much more rapid rate than the erosion caused by… …
erosion — The wearing away of the land surface by running water, waves, or moving ice and wind, or by such processes as mass wasting and corrosion (solution and other chemical processes). The term geologic erosion refers to natural erosion processes… … Glossary of landform and geologic terms
Erosion corrosion — is a degradation of material surface due to mechanical action, often by impinging liquid, abrasion by a slurry, particles suspended in fast flowing liquid or gas, bubbles or droplets, cavitation, etc. The mechanism can be described as follows: *… … Wikipedia
accelerated corrosion — A localized concentration of solution intensity, produced by factors favoring greater aggressivity of the water in certain parts of the karstland creating differential solution rates and thereby a marked unevenness in the overall erosion of… … Lexicon of Cave and Karst Terminology
Flow-accelerated corrosion — (FAC), also known as flow assisted corrosion, is a corrosion mechanism in which a normally protective oxide layer on a metal surface dissolves in a fast flowing water. The underlying metal corrodes to re create the oxide, and thus the metal loss… … Wikipedia
Coastal erosion — Many stretches of the East Anglia, England coastline are prone to heavy levels of erosion, such as this, the collapsed section of cliffs at Hunstanton, Norfolk. Coastal erosion is the wearing away of land and the removal of beach or dune… … Wikipedia
Headward erosion — is a fluvial process of erosion that lengthens a stream, a valley or a gully at its head and also enlarges its drainage basin. The stream erodes away at the rock and soil at its headwaters in the opposite direction that it flows. Once a stream… … Wikipedia
Genetic erosion — is a process whereby an already limited gene pool of an endangered species of plant or animal diminishes even more when individuals from the surviving population die off without getting a chance to meet and breed with others in their endangered… … Wikipedia
chemical erosion — Processes partially synonymous with chemical dissolution, but including any other form of rock breakdown accelerated by chemical changes of the constituent minerals [9] … Lexicon of Cave and Karst Terminology
soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… … Universalium
