Contribution of the Cryosphere to Changes in Sea Level
M.F. Meier, Mark Dyurgerov, National Snow and Ice Data Center
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Middle School: 6 Disciplinary Core Ideas, 7 Cross Cutting Concepts
High School: 3 Disciplinary Core Ideas, 5 Cross Cutting Concepts
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Teaching Tips | Science | Pedagogy |
- Global sea level rise is a result of both ocean thermal expansion and glacier melt. This graphic could serve as a great introduction to help students identify how glaciers contribute to sea level rise via volume and area. An explanation of how scientists compute this is also provided.
About the Science
- The surrounding text is written in clear but technical language. Details and references are included.
- The network of lower latitude small glaciers and ice caps, although making up only about four percent of the total land ice area, may have provided as much as 60 percent of the total glacier contribution to sea level change since the 1990s.
- Comments from expert scientist: Breaks down major contributors to modern and projected sea-level rise and assesses the contribution of each (2009 data). Includes a histogram and a plot each showing real data illustrating points covered.
About the Pedagogy
- Since the supporting background is written scientifically, educators will need to develop their own context and inquiry questions for this resource.