NASA -National Aeronautics and Space Administration
NASA Tropospheric Chemistry Integrated Data Ceneter

ACTIVATEAerosol Cloud meTeorology Interactions oVer the western ATlantic Experiment

» ACTIVATE Flight Summary Reports (02/14/2020 - 06/18/2022)


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    Recent Activities


    The overarching goal of ACTIVATE is to robustly characterize aerosol-cloud-meteorology interactions using extensive, systematic, and simultaneous in situ and remote sensing airborne measurements with two aircraft and a hierarchy of models. ACTIVATE focuses on marine boundary layer (MBL) clouds that span the continuum of stratiform and cumulus clouds and include post-frontal conditions. Together, these clouds cover more than 45% of the ocean surface and exert a large net cooling effect.

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    ACTIVATE has four fundamental science goals:
    • Improved understanding and model representations of relationships between number concentrations of aerosol (Na), cloud condensation nuclei (CCN), and cloud droplets (Nd) and the relationships between cloud micro/macro-physical properties

    • A unique dataset for international model intercomparison and process-based studies

    • An evaluation of current remote sensing retrievals and prototypes for future satellite missions

    • The development of improved satellite-based Nd retrievals and CCN proxies

    NASA - National Aeronautics and Space
    Curator: Ali Aknan
    NASA Official: Dr. Gao Chen

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