NSFGEO-NERC: The Integrated Characterization of Energy, Clouds, Atmospheric state, and Precipitation at Summit,Aerosol-Cloud Experiment

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The Integrated Characterization of Energy, Clouds, Atmospheric state, and Precipitation at Summit (ICECAPS) project has continuously operated a sophisticated suite of ground-based instruments at Summit Station, Greenland since 2010 for observing clouds, precipitation, and atmospheric structure. The project has significantly advanced the understanding of cloud properties, radiation and surface energy, and precipitation processes over the Greenland Ice Sheet (GrIS), while also supporting process-based model evaluation, development of new measurement techniques, ground comparisons for multiple satellite measurements and aircraft missions, and operational radiosonde data for weather forecast models. Here will expand on the original work with a two-year extension to core ICECAPS work and include an Aerosol-Cloud Experiment (ACE). We will enhance the ICECAPS project by pursuing two primary goals: 1) provide a better understanding of aerosol-cloud interactions over the GrIS and how they impact the surface energy budget, and 2) provide observations that for numerical model assessment as part of the Year of Polar Prediction (YOPP).This project is an international collaboration that funds the original ICECAPS researchers through the U.S. National Science Foundation's Arctic Observing Network and a team of aerosol researchers through the U.K. Natural Environment Research Council.