Groundwater System Overview
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What environmental damage is caused by strip mining according to the text?

  • Improvement in aesthetic value of the region
  • Devegetation and defacing of landscape (correct)
  • Enhancement of natural hydrological processes
  • Decrease in soil erosion

Which process is mainly associated with subsidence of land?

  • Surface water pollution
  • Groundwater contamination
  • Underground mining (correct)
  • Strip mining

How does mining activities affect groundwater according to the text?

  • Promotes recharge of aquifers
  • Enhances groundwater quality
  • Increases natural hydrological processes
  • Pollutes groundwater and leads to health hazards (correct)

What is the impact of acid mine drainage on nearby streams and lakes?

<p>Contaminates the water and is detrimental to aquatic life (C)</p> Signup and view all the answers

What kind of disasters can subsidence of mining areas lead to?

<p>Buildings tilting, road buckling, and gas leaking from pipelines (A)</p> Signup and view all the answers

How does mining affect the landscape in terms of aesthetics?

<p>Spoils aesthetic value with huge quantities of debris and tailings (C)</p> Signup and view all the answers

What is the common method suggested in the text for getting rid of salts caused by salinization?

<p>Flushing out salts with good quality water (A)</p> Signup and view all the answers

Which method involves laying an underground network of perforated drainage pipes?

<p>Sub-surface drainage system for flushing out salts (D)</p> Signup and view all the answers

Where was the experimental station of CSSRI located where a sub-surface drainage system was tried?

<p>Sampla, Haryana (C)</p> Signup and view all the answers

What was the outcome of CSSRI's research applications in Zarifa Viran village?

<p>Conversion from barren land to productive land (A)</p> Signup and view all the answers

What caused the first alarming report of salt-affected wasteland formation in 1858?

<p>Use of saline irrigation water (A)</p> Signup and view all the answers

What is the primary recommended method for dealing with salinity in soils according to the text?

<p>Flushing out salts with good quality water (A)</p> Signup and view all the answers

What is the typical rate at which groundwater moves?

<p>1 meter in a year (A)</p> Signup and view all the answers

What type of aquifer is formed when water collects over a rock or compact clay?

<p>Unconfined aquifer (Water table) (B)</p> Signup and view all the answers

Which phenomenon occurs when groundwater withdrawal exceeds the recharge rate, resulting in the compaction of sediments in the aquifer?

<p>Ground subsidence (C)</p> Signup and view all the answers

What are some common problems associated with ground subsidence?

<p>Tidal flooding (D)</p> Signup and view all the answers

What is the main consequence of excessive mining of groundwater in arid regions for irrigation purposes?

<p>Lowering of water table (A)</p> Signup and view all the answers

Which type of aquifer is sandwitched between two layers having very low permeability?

<p>Confined aquifer (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser