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Temperature and CO2 concentration in the atmosphere over the past 400,000 years
http://maps.grida.no/go/graphic/temperature-and-co2-concentration-in-the-atmosphere-over-the-past-400-000-years

UNEP Grid Arendal

This visualization graphically displays temperature and CO2 concentration in the atmosphere as derived from ice core data from 400,000 years ago to 1950. The data originates from UNEP GRID Arendal's graphic library of CO2 levels from Vostok ice core.

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Climate Literacy
About Teaching Climate Literacy

Gradual changes in Earth's rotation and orbit around the Sun change the intensity of sunlight received in our planet’s polar and equatorial regions. For at least the last 1 million years, these changes occurred in 100,000-year cycles that produced ice ages and the shorter warm periods between them.
About Teaching Principle 1
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Environmental observations are the foundation for understanding the climate system. From the bottom of the ocean to the surface of the Sun, instruments on weather stations, buoys, satellites, and other platforms collect climate data. To learn about past climates, scientists use natural records, such as tree rings, ice cores, and sedimentary layers. Historical observations, such as native knowledge and personal journals, also document past climate change.
About Teaching Principle 5
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understanding of the climate system is improved through observations, theoretical studies, and modeling
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Benchmarks for Science Literacy
Learn more about the Benchmarks

Scientific investigations usually involve the collection of relevant data, the use of logical reasoning, and the application of imagination in devising hypotheses and explanations to make sense of the collected data.
Explore the map of concepts related to this benchmark

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

About the Science

  • Graphic is slightly dated (2000) and could benefit from the inclusion of more recent ice core data going back 600K years from EPICA (Dome D).
  • Comments from expert scientist: This webpage offers a graph of Vostok CO2 and Antarctic surface temperature, the latter reconstructed using dD data. The graphs appear accurate and it is nice to have a simple figure showing these two datasets.

About the Pedagogy

  • Visualization will need to be "unpacked" for the data depicted to be relevant.

Technical Details/Ease of Use

  • Easy-to-access image can be downloaded.
  • The site hosting this graphic provides detailed information on the source of data, use constraints and citation suggestions.

Related URLs These related sites were noted by our reviewers but have not been reviewed by CLEAN

Also see comparison with EPICA ice core: http://en.wikipedia.org/wiki/File:EPICA_delta_D_plot.svg

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