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GLIMR: NASA's Groundbreaking Ocean Color Instrument

GLIMR is NASA's latest Ocean Color instrument, a hyperspectral spectrometer in Geostationary orbit, offering high-resolution and high-temporal scans of the Gulf of Mexico and other regions. With unparalleled measurement capabilities, GLIMR aims to understand phytoplankton growth and physiology, investigate coastal processes, monitor harmful algal blooms and oil spills, and provide crucial information on coastal hazards for federal, state, and local agencies.

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GLIMR: NASA's Groundbreaking Ocean Color Instrument

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  1. Geostationary Littoral Imaging and Monitoring Radiometer (GLIMR): J. Salisbury (UNH), A. Mannino (NASA GSFC Ocean Ecology Laboratory), Jenn Epstein (UNH)

  2. What is GLIMR? It’s NASA’s newest Ocean Color instrument: A hyperspectral spectrometer in Geostationary orbit Hyperspectral • 340-1040 nm • <10 nm resolution UV-Vis • <5 nm sampling UV-Vis High Temporal • ~hourly scans of Gulf of Mexico (6x/day) • 2x/day other regions • 3x/day HAB target sites High SNR Requirements at Ocean Ltyp • > 420, UV • > 1000, 400-580 nm • > 750, 580-650 nm • > 580, 650-712 nm • > 500, 713-880 High Spatial • 300 m GSD nadir • ~328 m Gulf of Mexico • <500 m over coastal CONUS Geostationary Littoral Imaging and Monitoring Radiometer (GLIMR): GLIMR’s unprecedented measurement capabilities (in toto) Raytheon - Approved for Public Release

  3. Phytoplankton Growth and Physiology Understanding processes contributing to rapid changes in phytoplankton growth rate and community composition. GLIMR Science Overview Short Term Coastal Processes Seeps and Spills Coastal Currents Coastal Storm Damage Tidal Currents HABs Investigate how high frequency fluxes of sediments, organic matter, and other materials between and within coastal ecosystems regulate the productivity and health of coastal ecosystems. Shelf Exchange Export Dissolved and Particulate Carbon Transformations Episodic/Seasonal River Discharge Mixing Phytoplankton Physiology and Bloom Evolution Sediment Exchange Upwelling

  4. Targeting the formation, magnitude, and trajectory of harmful algal blooms and oil spills. GLIMR Applications Efforts GLIMR Applications Efforts oil leaks shipping tourism recreation human health ecosystem health fisheries water quality pathogens HABs disasters food security resource management ecological forecasting Containment Early response Timely Public Advisories Integrated Ecosystem Assessment GLIMR provides federal, state, and local agencies with vital information on coastal hazards (oil spills, harmful algal blooms, post-storm assessment, water quality)

  5. A day in the life of GLIMR from 95W Courtesy of Dustin Berkovitch (RTX)

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