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A Tour of the Cryosphere 2009
http://www.nasa.gov/multimedia/podcasting/TourOfCryosphere09.html

NASAexplorer, NASA

This video shows some of the most dramatic fluctuations to our cryosphere in recent years, using visuals created with a variety of satellite-based data.

Video length 5:10 min.

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Climate Literacy
About Teaching Climate Literacy

Melting of ice sheets and glaciers, combined with the thermal expansion of seawater as the oceans warm, is causing sea level to rise. Seawater is beginning to move onto low-lying land and to contaminate coastal fresh water sources and beginning to submerge coastal facilities and barrier islands. Sea-level rise increases the risk of damage to homes and buildings from storm surges such as those that accompany hurricanes.
About Teaching Principle 7
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Climate plays an important role in the global distribution of freshwater resources. Changing precipitation patterns and temperature conditions will alter the distribution and availability of freshwater resources, reducing reliable access to water for many people and their crops. Winter snowpack and mountain glaciers that provide water for human use are declining as a result of global warming.
About Teaching Principle 7
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mate change will have consequences for the Earth system and human lives
About Teaching Principle C
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Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • Video could be stopped along the way to have discussion about the graphs embedded in the video. Use NASA NEO website to get current data.
  • Educator might want to be aware of positive feedback loop mechanisms to facilitate further discussion.

About the Science

  • This video and its accompanying text (http://svs.gsfc.nasa.gov/vis/a000000/a003600/a003619/) demonstrates how, using satellite observations, scientists can monitor changes in the global and regional climate by observing how regions of the Earth's cryosphere shrink and expand.
  • Comments from expert scientist: The source of the video are NASA satellites so this is a direct view of what has happened to cryosphere over the years, till 2009. It is a kind of direct assessment of the cryospheric changes taking place. The video however, will prove very helpful in educating the people about the changing croysphere and its impact on global climate.

About the Pedagogy

  • Draft of script is provided for students to follow along. Though some of data references are dated, overall trends in different geographic areas continue in the same direction.

Technical Details/Ease of Use

  • Graphics are good.
  • YouTube version of this video is on a blog site that contains some inappropriate comments

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