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Validation of Ocean Color Satellite Products (Sentinel-2) over the Banana River AERONET-OC Site
Tuesday May 26, 2026 3:15pm - 3:45pm EDT
Room 174
Abstract: This study systematically validates Sentinel-2 MultiSpectral Instrument (MSI) ocean color products against standardized AERONET-OC SeaPRISM measurements at the Banana River site within Florida's Indian River Lagoon (IRL) system. Matchup datasets spanning 2023–2024 were constructed from Sentinel-2 overpasses (±3-hour temporal window) processed through both ACOLITE and RadCOR atmospheric correction algorithms. Complementary environmental observations from the IRL Observation Network (IRLON) provided context on the dynamics of turbidity, wind speed, CDOM, and chlorophyll-a influencing optical variability.
Results demonstrate excellent spectral agreement between satellite-derived and in situ remote sensing reflectance (Rrs), particularly at 560 nm, where both processors achieved R² > 0.90 and low bias. Peak Rrs consistently occurred near 560 nm across all matchups, validating the sensors' ability to capture the dominant water-color features in this optically complex environment.
Speakers
avatar for Kalu Okigwe

Kalu Okigwe

Graduate Student, Clark University
Kalu Okigwe holds a B.S. in Geography and Environmental Management and is currently pursuing an MSGIS at Clark University. Before joining Clark, he worked as a Geospatial Data Scientist and Analyst in waste management, environmental engineering, and urban planning, as well as Deputy... Read More →
Tuesday May 26, 2026 3:15pm - 3:45pm EDT
Room 174
  Remote Sensing

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