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.
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
