Comparison of measured and modeled bottom reflectance spectra on the southeastern shelf of the Florida Keys

Lisa R. Young; Kendall L. Carder; Robert G. Steward; Feng-I R. Chen

doi:10.1117/12.210879

12 June 1995 Comparison of measured and modeled bottom reflectance spectra on the southeastern shelf of the Florida Keys

Lisa R. Young, Kendall L. Carder, Robert G. Steward, Feng-I R. Chen

Author Affiliations +

Proceedings Volume 2480, Imaging Spectrometry; (1995) https://doi.org/10.1117/12.210879
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

Interpretation of remotely sensed data is difficult in coastal regions compared to the open ocean, where optical signals are highly coupled to phytoplankton/chlorophyll. In estuarine and coastal areas, terrigenous colored dissolved organic matter (CDOM) does not covary with chlorophyll, and if the water column is optically shallow, bottom reflectance confounds interpretation of remote-sensing reflectance (R_TS) signals. In order to more accurately model R_TS in nearshore environements, bottom reflectance must be adequately characterized. During research cruises to the Florida Keys region in July, 1994 and March, 1995, reflectance spectra were obtained of various bottom types. R_TS measurements, obtained during these cruises, and R_TS measurements made with the Airborne Visible and Infrared Imaging Spectrometer (AVIRIS) were compared against R_TS derived from a hyperspectral model that decoupled water column and bottom contributions to the R_TS signal.

Citation Download Citation

Lisa R. Young, Kendall L. Carder, Robert G. Steward, and Feng-I R. Chen "Comparison of measured and modeled bottom reflectance spectra on the southeastern shelf of the Florida Keys", Proc. SPIE 2480, Imaging Spectrometry, (12 June 1995); https://doi.org/10.1117/12.210879

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