Variation of specific optical properties and their influence on measured and modeled spectral reflectances in the Baltic Sea

Herbert Siegel; Monika Gerth; Marko Beckert

doi:10.1117/12.266496

6 February 1997 Variation of specific optical properties and their influence on measured and modeled spectral reflectances in the Baltic Sea

Herbert Siegel, Monika Gerth, Marko Beckert

Author Affiliations +

Proceedings Volume 2963, Ocean Optics XIII; (1997) https://doi.org/10.1117/12.266496
Event: Ocean Optics XIII, 1996, Halifax, Nova Scotia, Canada

Abstract

Spatial and temporal variations due to seasonal and regional development of phytoplankton and the freshwater inflow in river mouth areas influencing the optical properties in the Baltic Sea. The phytoplankton blooms in different seasons are dominated by special taxonomical groups. The variation intervals for the concentration of different optical active water constituents are presented. Regional and seasonal variations in the absorption of phytoplankton, detritus and gelbstoff are discussed in relation to the sources. The specific absorptions of chlorophyll show more regional differences than temporal. Measured volume scattering functions from the open Baltic and Pomeranian Bight are compared with published data. The b_b/b- ratio deliver the known values for different dominating water constituents, which influences also the spectral shape the backscattering coefficient. Derived spectral specific absorption and backscattering coefficients were used to control the reflectance model by comparison to measurements of the total internal reflectance. Selected inherent optical properties for the spring bloom were included in the inverse procedure by Krawczyk et al. for the derivation of water constituents from simultaneous satellite data of the Modulator Optical Scanner at the Indian Satellite IRS-P3.

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Herbert Siegel, Monika Gerth, and Marko Beckert "Variation of specific optical properties and their influence on measured and modeled spectral reflectances in the Baltic Sea", Proc. SPIE 2963, Ocean Optics XIII, (6 February 1997); https://doi.org/10.1117/12.266496

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