Post-Glacial Climate Change and Glacio-Fluvial Deposits
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Questions and Answers

What type of hill or hummock is composed of stratified sand and gravel laid down by glacial meltwater?

  • Kame (correct)
  • Esker
  • Moraine
  • Drumlin
  • During the post-glacial period, what type of rivers may have extremely high discharge in summer months?

  • Outwash rivers
  • Glacial rivers
  • Fluvial rivers
  • Meltwater rivers (correct)
  • What is the mean winter discharge of the Glacier d'Argentière in France?

  • 30-35 cumecs
  • 20-25 cumecs
  • 10-11 cumecs
  • 0.1-15 cumecs (correct)
  • Which type of kame is formed by en-glacial streams emerging at the snout of the glacier?

    <p>Delta kames</p> Signup and view all the answers

    What differentiates kame terraces from lateral moraines?

    <p>Kame terraces are composed of glacio-fluvial deposits while lateral moraines are composed of unsorted material.</p> Signup and view all the answers

    What is the composition of an esker?

    <p>Stratified sand and gravel</p> Signup and view all the answers

    How are outwash plains typically drained?

    <p>By braided streams</p> Signup and view all the answers

    What causes the deposition of material in debris-laden braided streams?

    <p>Decrease in water pressure</p> Signup and view all the answers

    What defines periglacial environments more accurately?

    <p>Seasonal temperature variations, freeze-thaw cycles, and permafrost</p> Signup and view all the answers

    What temperature conditions are suggested for periglacial environments due to climate change?

    <p>Mean annual temperatures less than -6C with much lower winter minimums and few days above 0C in summer</p> Signup and view all the answers

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