18 Questions
What environmental damage is caused by strip mining according to the text?
Devegetation and defacing of landscape
Which process is mainly associated with subsidence of land?
Underground mining
How does mining activities affect groundwater according to the text?
Pollutes groundwater and leads to health hazards
What is the impact of acid mine drainage on nearby streams and lakes?
Contaminates the water and is detrimental to aquatic life
What kind of disasters can subsidence of mining areas lead to?
Buildings tilting, road buckling, and gas leaking from pipelines
How does mining affect the landscape in terms of aesthetics?
Spoils aesthetic value with huge quantities of debris and tailings
What is the common method suggested in the text for getting rid of salts caused by salinization?
Flushing out salts with good quality water
Which method involves laying an underground network of perforated drainage pipes?
Sub-surface drainage system for flushing out salts
Where was the experimental station of CSSRI located where a sub-surface drainage system was tried?
Sampla, Haryana
What was the outcome of CSSRI's research applications in Zarifa Viran village?
Conversion from barren land to productive land
What caused the first alarming report of salt-affected wasteland formation in 1858?
Use of saline irrigation water
What is the primary recommended method for dealing with salinity in soils according to the text?
Flushing out salts with good quality water
What is the typical rate at which groundwater moves?
1 meter in a year
What type of aquifer is formed when water collects over a rock or compact clay?
Unconfined aquifer (Water table)
Which phenomenon occurs when groundwater withdrawal exceeds the recharge rate, resulting in the compaction of sediments in the aquifer?
Ground subsidence
What are some common problems associated with ground subsidence?
Tidal flooding
What is the main consequence of excessive mining of groundwater in arid regions for irrigation purposes?
Lowering of water table
Which type of aquifer is sandwitched between two layers having very low permeability?
Confined aquifer
Learn about groundwater movement and the components of the groundwater system, including aquifers, infiltration, and evaporation. Explore the concepts related to groundwater recharge areas and permeable rock layers.
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