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This project studies one of the coldest and least understood parts of the atmosphere, the tropical tropopause layer (TTL). New satellite measurements suggest the TTL ice crystal layer is denser than previously thought, resulting in a stronger effect on the Earth's radiation level.

Partner Institutions

University of Chicago (Lead institution)
University of Washington
Harvard University
Princeton University
Laboratoire de Météorologie Dynamique, France
Forschungszentrum Jülich, Germany
Karlsruhe Institute of Technology, Germany
ETH Zürich, Switzerland

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