POSTER Session 4

CONSISTENCY OF ABOVE-WATER TRIOS RAMSES MEASUREMENTS IN OUTDOOR CONDITIONS

Simultaneous above-water TriOS RAMSES measurements were performed in the Baltic Sea field campaign in July 2023. The sensors were mounted on a common platform, and measurements were performed in 48 stations, representing different conditions. HyperInSPACE Community Processor (HyperCP) was used to derive the total radiance from the sea (Lt), sky radiance (Li), total downward irradiance (Es) and remote-sensing reflectance (Rrs) with corresponding uncertainties. From the simultaneous measurements, the consistency between different radiometric quantities (Lt, Li, Es, Rrs) in the limits of the estimated uncertainty is being analyzed. Match-ups from the stations with Sentinel-3 OLCI, Sentinel-2 MSI and EnMAP are being studied.

Krista Alikas, Tartu Observatory, University of Tartu, Estonia, [email protected], https://orcid.org/0000-0003-3855-6525

Ilmar Ansko, Tartu Observatory, University of Tartu, Estonia, [email protected]

Ian Andreas Rahn, Tartu Observatory, University of Tartu, Estonia, [email protected]

Alice Fabbretto, Tartu Observatory, University of Tartu, Estonia and National Research Council, Italy, [email protected]

Henning Burmester, Helmholtz-Zentrum Hereon, Germany, [email protected]

Rüdiger Röttgers, Helmholtz-Zentrum Hereon, Germany, [email protected]

Shun Bi, Helmholtz-Zentrum Hereon, Germany, [email protected]

Martin Hieronymi, Helmholtz-Zentrum Hereon, Germany, [email protected]

Viktor Vabson, Tartu Observatory, University of Tartu, Estonia, [email protected]

Riho Vendt, Tartu Observatory, University of Tartu, Estonia, [email protected]

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