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No Strings Attached
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(Complete Item Description)
- Abstract:
CLAES made the first global measurements of CFCs in the stratosphere. CFCs enter the stratosphere through upwelling in the tropics. The CFCs decrease with height as they are broken down by UV radiation. CFCs are the major source of stratospheric chlorine. Red indicates large amounts of CFC-12.
- Subject:
- Science and Technology
- Grade Level:
- Secondary, Post-secondary
- Collection:
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NASA GSFC Scientific Visualization Studio
No Strings Attached
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(Complete Item Description)
- Abstract:
HALOE was designed to carefully monitor hydrogen fluoride and hydrogen chloride, byproducts of CFC destruction in the stratosphere. HALOE operates by observing the absorption of infrared radiation by these molecules against the rising and setting sun . When UARS was first launched, measurements by HALOE showed that CFC byproducts were still increasing in the stratosphere. But the newest HALOE measurements now show that CFC by-products are no longer increasing. UARS has shown that the stratosphere is starting to respond to the international ban on CFC manufacture.
- Subject:
- Science and Technology
- Grade Level:
- Secondary, Post-secondary
- Collection:
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NASA GSFC Scientific Visualization Studio
Read the Fine Print
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(Complete Item Description)
- Abstract:
Students explore the causes and effects of the Earth's ozone holes through discussion and an interactive simulation. In an associated literacy activity, students learn how to tell a story in order to make a complex topic (such as global warming or ozone holes) easier for a reader to grasp.
- Subject:
- Mathematics and Statistics, Science and Technology
- Grade Level:
- Primary
- SubTopics:
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Industrial and Agricultural Impacts
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Pollution
- Collection:
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TeachEngineering
Read the Fine Print
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(Complete Item Description)
- Abstract:
Discussion of holes in the stratospheric ozone layer usually revolves around investigations of the thickness of the layer near the South Pole. This online activity allows users to study the thickness of the ozone layer over any location on Earth.
- Subject:
- Science and Technology
- Grade Level:
- Secondary, Post-secondary
- SubTopics:
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Green
- Collection:
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Environmental Science Activities for the 21st Century
No Strings Attached
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