What does degradation mean in geography?
the wearing down of the land
the state of being degraded. Physical Geography. the wearing down of the land by the erosive action of water, wind, or ice.
What is definition of degradation?
Definition of degradation 1 : the act or process of degrading environmental degradation the gradual degradation of organic matter … nothing infuriates the female students more than the degradation of women that is associated with male sports …— Scott Stossel suffer the degradations of poverty and abuse.
What is the meaning of degradation of the environment?
Environmental degradation is the deterioration in environmental quality from ambient concentrations of pollutants and other activities and processes such as improper land use and natural disasters.
What is degradation process?
Degradation is the process by which a chemical substance is broken down to smaller molecules by biotic means (biodegradability) or abiotic means (hydrolysis, photolysis or oxidisation). Half-lives (DT50) are used as measures of the stability and persistence of a chemical substance in the environment.
What is degradation and aggradation in geography?
Aggradation refers to an increase in elevation of land usually in river system due to deposition of sediments. Degradation occurs due to erosional activities of mainly wind and water. It refers to the lowering of a landform through erosional process.
What is land degradation in environmental studies?
Land degradation—the deterioration or loss of the productive capacity of the soils for present and future—is a global challenge that affects everyone through food insecurity, higher food prices, climate change, environmental hazards, and the loss of biodiversity and ecosystem services.
What is the correct meaning of the word disintegrate?
Definition of disintegrate transitive verb. 1 : to break or decompose into constituent elements, parts, or small particles water disintegrates the limestone. 2 : to destroy the unity or integrity (see integrity sense 3) of The lies disintegrated their marriage.
What is environmental degradation and example?
Environmental degradation is the disintegration of the earth or deterioration of the environment through the consumption of assets, for example, air, water and soil; the destruction of environments and the eradication of wildlife.
What is environmental degradation in the contemporary world?
Environmental degradation is the deterioration of the environment through depletion of resources such as quality of air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; and pollution.
What is land degradation process?
The main soil degradation process are: (1) soil erosion by water and wind; (2) Development of extreme soil reaction (acidification; salinization/alkalization); (3) physical degradation (structural destruction; compaction; extreme moisture regime); (4) biological degradation; (5) unfavourable changes in the nutrient …
What is degradation in a river?
Degradation is the lowering of river bed elevation which can happen both at the downstream and also at the upstream.
What is aggradation and degradation river?
Aggradation involves the buildup of sediment in a river over time as material is deposited by a river that is decreasing in kinetic energy. This increases the base level of a river. Degradation involves the lowering of the base level of a river due to sediment being eroded off the riverbed.