Approaches to hyperspectral sensing of the oceans, the bathymetry, and the bottom spectral reflectance: how many equations, variables, and spectral bands?

Mervyn J. Lynch

doi:10.1117/12.411668

5 January 2001 Approaches to hyperspectral sensing of the oceans, the bathymetry, and the bottom spectral reflectance: how many equations, variables, and spectral bands?

Mervyn J. Lynch

Author Affiliations +

Proceedings Volume 4154, Hyperspectral Remote Sensing of the Ocean; (2001) https://doi.org/10.1117/12.411668
Event: Second International Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 2000, Sendai, Japan

Abstract

The issue of quantitatively remotely sensing the biological constituents of the global oceans is a complex challenge. The term 'remotely' is used here specifically to refer to on-orbit sensing. When compared with in situ sensing, on-orbit sensing is complicated by effects such as those due to sea state, the molecular and aerosol atmosphere and sunglint: each of which is variable spatially and temporally. If we remove the on- orbit restriction and sense at or near the sea surface we still encounter a number of complications including decisions on the suite of variables to be measured, the measurement protocols, calibration of instruments, spectral band selection, choice of algorithm(s), validation etc. If we add to these the case II water scenario, the question of measuring water properties and constituents becomes somewhat more difficult.

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Mervyn J. Lynch "Approaches to hyperspectral sensing of the oceans, the bathymetry, and the bottom spectral reflectance: how many equations, variables, and spectral bands?", Proc. SPIE 4154, Hyperspectral Remote Sensing of the Ocean, (5 January 2001); https://doi.org/10.1117/12.411668

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KEYWORDS

Water

Neural networks

Remote sensing

Aerosols

Atmospheric corrections

Reflectivity

Satellites

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