The hidden influence of large particles on ocean colour

Abstract Optical constituents in the ocean are often categorized as water, phytoplankton, sediments and dissolved matter. However, the optical properties of seawater are influenced, to some degree, by scattering and absorption by all particles in the water column. Here we assess the relevant size ra...

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Autores principales:	Emlyn J. Davies, Sünnje L. Basedow, David McKee
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0c9cdcca6dcf4a889a5154ca290b10bd
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spelling	oai:doaj.org-article:0c9cdcca6dcf4a889a5154ca290b10bd2021-12-02T14:03:57ZThe hidden influence of large particles on ocean colour10.1038/s41598-021-83610-52045-2322https://doaj.org/article/0c9cdcca6dcf4a889a5154ca290b10bd2021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83610-5https://doaj.org/toc/2045-2322Abstract Optical constituents in the ocean are often categorized as water, phytoplankton, sediments and dissolved matter. However, the optical properties of seawater are influenced, to some degree, by scattering and absorption by all particles in the water column. Here we assess the relevant size ranges for determining the optical properties of the ocean. We present a theoretical basis supporting the hypothesis that millimetre-size particles, including zooplankton and fish eggs, can provide a significant contribution to bulk absorption and scattering of seawater and therefore ocean color. Further, we demonstrate that existing in situ instruments are not capable of correctly resolving the impact of such large particles, possibly leading to their optical significance being overlooked. These findings refresh our perspective on the potential of ocean color and invite new applications of remote sensing for monitoring life close to the ocean surface.Emlyn J. DaviesSünnje L. BasedowDavid McKeeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Emlyn J. Davies Sünnje L. Basedow David McKee The hidden influence of large particles on ocean colour
description	Abstract Optical constituents in the ocean are often categorized as water, phytoplankton, sediments and dissolved matter. However, the optical properties of seawater are influenced, to some degree, by scattering and absorption by all particles in the water column. Here we assess the relevant size ranges for determining the optical properties of the ocean. We present a theoretical basis supporting the hypothesis that millimetre-size particles, including zooplankton and fish eggs, can provide a significant contribution to bulk absorption and scattering of seawater and therefore ocean color. Further, we demonstrate that existing in situ instruments are not capable of correctly resolving the impact of such large particles, possibly leading to their optical significance being overlooked. These findings refresh our perspective on the potential of ocean color and invite new applications of remote sensing for monitoring life close to the ocean surface.
format	article
author	Emlyn J. Davies Sünnje L. Basedow David McKee
author_facet	Emlyn J. Davies Sünnje L. Basedow David McKee
author_sort	Emlyn J. Davies
title	The hidden influence of large particles on ocean colour
title_short	The hidden influence of large particles on ocean colour
title_full	The hidden influence of large particles on ocean colour
title_fullStr	The hidden influence of large particles on ocean colour
title_full_unstemmed	The hidden influence of large particles on ocean colour
title_sort	hidden influence of large particles on ocean colour
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/0c9cdcca6dcf4a889a5154ca290b10bd
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The hidden influence of large particles on ocean colour

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