A bio-optical model for integration into ecosystem models for the Ligurian Sea

Fethi Bengil, David McKee, Sükrü T. Beşiktepe, Violeta Sanjuan Calzado, Charles Trees

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A bio-optical model has been developed for the Ligurian Sea which encompasses both deep, oceanic Case 1 waters and shallow, coastal Case 2 waters. The model builds on earlier Case 1 models for the region and uses field data collected on the BP09 research cruise to establish new relationships for non-biogenic particles and CDOM. The bio-optical model reproduces in situ IOPs accurately and is used to parameterize radiative transfer simulations which demonstrate its utility for modeling underwater light levels and above surface remote sensing reflectance. Prediction of euphotic depth is found to be accurate to within ∼3.2 m (RMSE). Previously published light field models work well for deep oceanic parts of the Ligurian Sea that fit the Case 1 classification. However, they are found to significantly over-estimate euphotic depth in optically complex coastal waters where the influence of non-biogenic materials is strongest. For these coastal waters, the combination of the bio-optical model proposed here and full radiative transfer simulations provides significantly more accurate predictions of euphotic depth.

LanguageEnglish
Pages1-15
Number of pages15
JournalProgress in Oceanography
Volume149
Early online date17 Oct 2016
DOIs
Publication statusPublished - 31 Dec 2016

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ecosystems
ecosystem
radiative transfer
coastal water
prediction
simulation
sea
reflectance
remote sensing
water
modeling

Keywords

  • bio-optical model
  • Ligurian Sea
  • ocean colour
  • photosynthetically available radiation

Cite this

Bengil, Fethi ; McKee, David ; Beşiktepe, Sükrü T. ; Sanjuan Calzado, Violeta ; Trees, Charles. / A bio-optical model for integration into ecosystem models for the Ligurian Sea. In: Progress in Oceanography. 2016 ; Vol. 149. pp. 1-15.
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A bio-optical model for integration into ecosystem models for the Ligurian Sea. / Bengil, Fethi; McKee, David; Beşiktepe, Sükrü T.; Sanjuan Calzado, Violeta; Trees, Charles.

In: Progress in Oceanography, Vol. 149, 31.12.2016, p. 1-15.

Research output: Contribution to journalArticle

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AU - Trees, Charles

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