Atmospheric Correction for Case 2 Waters with a Bio-Optical Reflectance Model (original) (raw)

Abstract

Two field campaigns were used to demonstrate the usefulness of an atmospheric correction method specifically developed for Case 2 waters. The correction method utilizes bio-optical reflectance modeling and principal component analysis. The MODTRAN radiative transfer code simulations were conducted to obtain a statistical database for varying atmospheric situations. Bio-optical reflectance model takes into account the water quality and it's influence on the detected reflectance. Both field campaigns represent high concentrations of optically active substances such as chlorophyll-a, total suspended sediment and humus. The first field campaign was held at a coastal site of Finland, on the Gulf of Finland, while the other field campaign represents a Finnish lake water area. On both campaigns MERIS satellite instrument and airborne spectrometer data were available.

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