what is land disruption?
what is soil subsidence?
what is acid mine drainage?
Answers
Answer:
1.Land degradation is a process in which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land. It is viewed as any change or disturbance to the land perceived to be deleterious or undesirable.
2.Subsidence is the sudden sinking or gradual downward settling of the ground's ... The pressure helps support the soil layers above the field. If the gas is extracted, the overburden ...
3.Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines. ... This liquid often contains toxic metals, such as copper or iron. These, combined with reduced pH, have a detrimental impact on the streams aquatic environments.
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Answer:
Ans1)
Land disturbance means any land,change which may result in soil erosion from water orwind and the movement of sediments into state waters or onto lands in the state, including, but not limited to, clearing, grading, excavating, transporting, and filling of land.
Ans2)
Subsidence is the sinking or settling of the ground surface. It can occur by a number of processes. Ground subsidence may result from the settlement of native low density soils, or the caving in of natural or man-made underground voids.
Ans3)
Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines. ... This liquid often contains toxic metals, such as copper or iron. These, combined with reduced pH, have a detrimental impact on the streams aquatic environments.