A bio-optical model suitable for use in forward and inverse coupled atmosphere-ocean radiative transfer models

Kexin Zhang, Wei Li, Hans Eide, Knut Stamnes

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

A simple, yet complete bio-optical model for the inherent optical properties (IOPs) of oceanic waters is developed. This bio-optical model is specifically designed for use in comprehensive, multiple scattering radiative transfer models for the coupled atmosphere-ocean system. Such models can be used to construct next-generation algorithms for simultaneous retrieval of aerosol and marine parameters. The computed remote sensing reflectance Rrs (λ) is validated against field measurements of Rrs (λ) compiled in the SeaBASS data base together with simultaneous chlorophyll concentrations (C) ranging from 0.03 to 100 mg m- 3. This connection between Rrs and C is used to construct a chlorophyll concentration retrieval algorithm that yields reliable results for a large range of chlorophyll concentrations. The overall performance of a MODIS/VIIRS chlorophyll concentration retrieval algorithm is found to be less satisfactory.

Original languageEnglish
Pages (from-to)411-423
Number of pages13
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume103
Issue number2
DOIs
StatePublished - Jan 2007

Keywords

  • Bio-optical model
  • Coupled atmosphere-ocean system
  • Discrete ordinate radiative transfer
  • Inherent optical properties

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