Review the climate and relief of:
Cold and high-altitude environments (polar, glacial areas, periglacial areas, high mountains in non-tropical latitudes)
Hot, arid environments (hot deserts and semi-arid areas)
Make reference to:
- Precipitation: type and amount
- Temperature: annual range, diurnal range (difference between day and night)
glacial and periglacial landscapes
Extreme environments ibook
- Download this book from the iBooks store
- Read and make notes on pp 6-16
- Complete the quiz activities
- Read and make notes on pp 170-172 Core Book
challenges of periglacial environments
The periglacial environment is a cold climate, frequently marginal to the glacial environment, and is characteristically subject to intense cycles of freezing and thawing of superficial sediments. Permafrost commonly occurs within this periglacial environment. However, processes that involve the freezing, unfreezing, and movement of water are considered to be periglacial; processes associated with the presence of perennially frozen ground are permafrost. Permafrost is therefore closely associated with the periglacial environment, and usually permafrost processes take place within a periglacial environment.
- What are the characteristics of the periglacial environment?
- How are periglacial and permafrost processes different?
- Describe the distribution of permafrost
- Read pp 4-5 and watch the video on p 6
- Define permafrost and state five facts about permafrost.
challenges of permafrost for human habitation
- Access the resources below.
- Note how periglacial environments pose challenges for human habitation
Gallery of images. Click to advance.