HSIE Teachers - HSC Geography: Ecosystems at risk
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Tundra - glossary

Albedo: The fraction of of solar radiation that is reflected back into space.

Antarctic Circle: The parallel of 66.5 degrees south latitude.

Arctic Circle: The parallel of 66.5 degrees north latitude.

Atmosphere: The gaseous envelope surrounding Earth.

Biosphere: The living organisms of Earth.

Boreal forest (taiga): a needle-leaf forest in sub-arctic regions of Eurasia and North America.


Carrying capacity: In the case of tourism, carrying capacity refers to the number of visitors or activities that can take place in an area without environmental degradation occurring.

​
Climate: Weather conditions of a long period of time.

Evaporation: When liquid water is converted to gaseous water vapour.

Glacier: a large natural accumulation of land ice that flows downhill, or outwards from the it point of accumulation.

Hydrosphere: All water on Earth, including lakes, rivers, oceans, groundwater, etc.

Ice Sheet: A blanket of ice that completely covers the underlying terrain.

Lithosphere: the solid, inorganic portion of the Earth's surface.

Polar High: A high pressure system over either polar region.


Subpolar Low: A zone of low pressure situated at about 50-60 degrees latitude (either North or South). Also known as a polar front.

Taiga: see boreal forest.

Tundra: a treeless region, where low growing plants such as moss, heath and lichens grow and where subsoil is permafrost or permanently frozen soil.
​

Permafrost: permanently frozen, impermeable ground (upper layers may thaw during summer). It results when ground surface temperatures remain below freezing point for long periods. 

Weather: short-term atmospheric conditions (day-to-day).
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  • Home
    • Assessment
    • Assessment 1 Scaffold
    • Extended Responses
  • Ecosystem Management
    • Biophysical Interactions >
      • Biophysical Interactions extended response
    • Vulnerability and Resilience >
      • Environmental stress extended response
    • Importance of management and protection >
      • Ecosystems Research task
    • Evaluation of management strategies >
      • Evaluating management strategies
      • Evaluating - sample
      • Evaluating - scaffold
    • Mini case studies
    • Ecosystems - ESL Support
  • Tundra
    • Tundra - spatial patterns - analysing photos and maps >
      • Tundra glossary
      • Tundra - Virtual fieldwork
    • Tundra - Biophysical interactions >
      • Tundra - Churchill biophysical interactions
      • Skills: Climate graphs
    • Nature and Rate of Change >
      • Tundra - Climate Change Infographic
    • Human Impacts >
      • Tundra - Cause and Effect
      • Tundra Connections
    • Tundra - Management >
      • Evaluating Management Strategies
      • Tundra - radio collar tracking
  • Intertidal Wetlands
    • Case Studies >
      • Towra Point
      • Homebush Bay
    • Spatial patterns
    • Biophysical Interactions >
      • Weather and climate
      • Geomorphic and hydrological processes
      • Biogeographical processes
      • Adjustments to natural stress
      • Homebush Bay - Biophysical Interactions
    • Nature and rate of change
    • Human impacts >
      • Towra Point - Human Impacts
      • Towra Point - Human impacts activity
      • Homebush Bay - Human Impacts
    • Management practices >
      • Towra Point - Management Strategies
      • Homebush Bay - Management Strategies
    • Intertidal Wetlands Revision Questions
    • Intertidal Wetlands - Fieldwork >
      • Towra Point excursion
  • Coral Reefs
    • Spatial patterns
    • Biophysical Interactions >
      • Weather and climate
      • Geomorphic and hydrological processes
      • Biogeographical processes
      • Adjustments to natural stress
      • Coral Reef Triangle
    • Nature and rate of change
    • Human Impacts >
      • Coral Triangle - Human Impacts
      • Great Barrier Reef - Human Impacts
    • Management practices >
      • Traditional Management Practices
      • Coral Triangle - Management
      • Great Barrier Reef - Management Strategies
    • Coral Reefs - Fieldwork >
      • Coral Triangle - fieldwork
      • Fieldwork - Lizard Island Virtual Fieldsite.
      • Great Barrier Reef excursion
  • HSIETeachers