Light Absorption by Optically Active Components in the Arctic Region (August 2020) and the Possibility of Application to Satellite Products for Water Quality Assessment
In August 2020, during the 80th cruise of the R/V “Akademik Mstislav Keldysh”, the chlorophyll a concentration (Chl- a ) and spectral coefficients of light absorption by phytoplankton pigments, non-algal particles (NAP) and colored dissolved organic matter (CDOM) were measured in the Norwegian Sea,...
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Language: | English |
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MDPI AG
2023
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ftdoajarticles:oai:doaj.org/article:c71fd8bdd1964eb4a929079d7b0371fb 2023-10-09T21:48:28+02:00 Light Absorption by Optically Active Components in the Arctic Region (August 2020) and the Possibility of Application to Satellite Products for Water Quality Assessment Tatiana Efimova Tatiana Churilova Elena Skorokhod Vyacheslav Suslin Anatoly S. Buchelnikov Dmitry Glukhovets Aleksandr Khrapko Natalia Moiseeva 2023-09-01T00:00:00Z https://doi.org/10.3390/rs15174346 https://doaj.org/article/c71fd8bdd1964eb4a929079d7b0371fb EN eng MDPI AG https://www.mdpi.com/2072-4292/15/17/4346 https://doaj.org/toc/2072-4292 doi:10.3390/rs15174346 2072-4292 https://doaj.org/article/c71fd8bdd1964eb4a929079d7b0371fb Remote Sensing, Vol 15, Iss 4346, p 4346 (2023) total non-water spectral light absorption coefficients chlorophyll a light absorption parameterization remote sensing validation of satellite products the Arctic Region Science Q article 2023 ftdoajarticles https://doi.org/10.3390/rs15174346 2023-09-10T00:34:41Z In August 2020, during the 80th cruise of the R/V “Akademik Mstislav Keldysh”, the chlorophyll a concentration (Chl- a ) and spectral coefficients of light absorption by phytoplankton pigments, non-algal particles (NAP) and colored dissolved organic matter (CDOM) were measured in the Norwegian Sea, the Barents Sea and the adjacent area of the Arctic Ocean. It was shown that the spatial distribution of the three light-absorbing components in the explored Arctic region was non-homogenous. It was revealed that CDOM contributed largely to the total non-water light absorption ( a tot (λ) = a ph (λ) + a NAP (λ) + a CDOM (λ)) in the blue spectral range in the Arctic Ocean and the Barents Sea. The fraction of NAP in the total non-water absorption was low (less than 20%). The depth of the euphotic zone depended on a tot (λ) in the surface water layer, which was described by a power equation. The Arctic Ocean, the Norwegian Sea and the Barents Sea did not differ in the Chl- a -specific light absorption coefficients of phytoplankton. In the blue maximum of phytoplankton absorption spectra, Chl- a -specific light absorption coefficients of phytoplankton in the upper mixed layer (UML) were higher than those below the UML. Relationships between phytoplankton absorption coefficients and Chl- a were derived by least squares fitting to power functions for the whole visible domain with a 1 nm interval. The OCI, OC3 and GIOP algorithms were validated using a database of co-located results (day-to-day) of in situ measurements ( n = 63) and the ocean color scanner data: the Moderate Resolution Imaging Spectroradiometer (MODIS) onboard the Terra (EOS AM) and Aqua (EOS PM) satellites, the Visible and Infrared Imager/Radiometer Suite (VIIRS) onboard the Suomi National Polar-orbiting Partnership (S-NPP) and JPSS-1 satellites (also known as NOAA-20), and the Ocean and the Land Color Imager (OLCI) onboard the Sentinel-3A and Sentinel-3B satellites. The comparison showed that despite the technological progress in optical scanners and the ... Article in Journal/Newspaper Arctic Arctic Ocean Barents Sea Norwegian Sea Phytoplankton Directory of Open Access Journals: DOAJ Articles Arctic Arctic Ocean Barents Sea Norwegian Sea The Sentinel ENVELOPE(73.317,73.317,-52.983,-52.983) Remote Sensing 15 17 4346 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
total non-water spectral light absorption coefficients chlorophyll a light absorption parameterization remote sensing validation of satellite products the Arctic Region Science Q |
spellingShingle |
total non-water spectral light absorption coefficients chlorophyll a light absorption parameterization remote sensing validation of satellite products the Arctic Region Science Q Tatiana Efimova Tatiana Churilova Elena Skorokhod Vyacheslav Suslin Anatoly S. Buchelnikov Dmitry Glukhovets Aleksandr Khrapko Natalia Moiseeva Light Absorption by Optically Active Components in the Arctic Region (August 2020) and the Possibility of Application to Satellite Products for Water Quality Assessment |
topic_facet |
total non-water spectral light absorption coefficients chlorophyll a light absorption parameterization remote sensing validation of satellite products the Arctic Region Science Q |
description |
In August 2020, during the 80th cruise of the R/V “Akademik Mstislav Keldysh”, the chlorophyll a concentration (Chl- a ) and spectral coefficients of light absorption by phytoplankton pigments, non-algal particles (NAP) and colored dissolved organic matter (CDOM) were measured in the Norwegian Sea, the Barents Sea and the adjacent area of the Arctic Ocean. It was shown that the spatial distribution of the three light-absorbing components in the explored Arctic region was non-homogenous. It was revealed that CDOM contributed largely to the total non-water light absorption ( a tot (λ) = a ph (λ) + a NAP (λ) + a CDOM (λ)) in the blue spectral range in the Arctic Ocean and the Barents Sea. The fraction of NAP in the total non-water absorption was low (less than 20%). The depth of the euphotic zone depended on a tot (λ) in the surface water layer, which was described by a power equation. The Arctic Ocean, the Norwegian Sea and the Barents Sea did not differ in the Chl- a -specific light absorption coefficients of phytoplankton. In the blue maximum of phytoplankton absorption spectra, Chl- a -specific light absorption coefficients of phytoplankton in the upper mixed layer (UML) were higher than those below the UML. Relationships between phytoplankton absorption coefficients and Chl- a were derived by least squares fitting to power functions for the whole visible domain with a 1 nm interval. The OCI, OC3 and GIOP algorithms were validated using a database of co-located results (day-to-day) of in situ measurements ( n = 63) and the ocean color scanner data: the Moderate Resolution Imaging Spectroradiometer (MODIS) onboard the Terra (EOS AM) and Aqua (EOS PM) satellites, the Visible and Infrared Imager/Radiometer Suite (VIIRS) onboard the Suomi National Polar-orbiting Partnership (S-NPP) and JPSS-1 satellites (also known as NOAA-20), and the Ocean and the Land Color Imager (OLCI) onboard the Sentinel-3A and Sentinel-3B satellites. The comparison showed that despite the technological progress in optical scanners and the ... |
format |
Article in Journal/Newspaper |
author |
Tatiana Efimova Tatiana Churilova Elena Skorokhod Vyacheslav Suslin Anatoly S. Buchelnikov Dmitry Glukhovets Aleksandr Khrapko Natalia Moiseeva |
author_facet |
Tatiana Efimova Tatiana Churilova Elena Skorokhod Vyacheslav Suslin Anatoly S. Buchelnikov Dmitry Glukhovets Aleksandr Khrapko Natalia Moiseeva |
author_sort |
Tatiana Efimova |
title |
Light Absorption by Optically Active Components in the Arctic Region (August 2020) and the Possibility of Application to Satellite Products for Water Quality Assessment |
title_short |
Light Absorption by Optically Active Components in the Arctic Region (August 2020) and the Possibility of Application to Satellite Products for Water Quality Assessment |
title_full |
Light Absorption by Optically Active Components in the Arctic Region (August 2020) and the Possibility of Application to Satellite Products for Water Quality Assessment |
title_fullStr |
Light Absorption by Optically Active Components in the Arctic Region (August 2020) and the Possibility of Application to Satellite Products for Water Quality Assessment |
title_full_unstemmed |
Light Absorption by Optically Active Components in the Arctic Region (August 2020) and the Possibility of Application to Satellite Products for Water Quality Assessment |
title_sort |
light absorption by optically active components in the arctic region (august 2020) and the possibility of application to satellite products for water quality assessment |
publisher |
MDPI AG |
publishDate |
2023 |
url |
https://doi.org/10.3390/rs15174346 https://doaj.org/article/c71fd8bdd1964eb4a929079d7b0371fb |
long_lat |
ENVELOPE(73.317,73.317,-52.983,-52.983) |
geographic |
Arctic Arctic Ocean Barents Sea Norwegian Sea The Sentinel |
geographic_facet |
Arctic Arctic Ocean Barents Sea Norwegian Sea The Sentinel |
genre |
Arctic Arctic Ocean Barents Sea Norwegian Sea Phytoplankton |
genre_facet |
Arctic Arctic Ocean Barents Sea Norwegian Sea Phytoplankton |
op_source |
Remote Sensing, Vol 15, Iss 4346, p 4346 (2023) |
op_relation |
https://www.mdpi.com/2072-4292/15/17/4346 https://doaj.org/toc/2072-4292 doi:10.3390/rs15174346 2072-4292 https://doaj.org/article/c71fd8bdd1964eb4a929079d7b0371fb |
op_doi |
https://doi.org/10.3390/rs15174346 |
container_title |
Remote Sensing |
container_volume |
15 |
container_issue |
17 |
container_start_page |
4346 |
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1779311548546678784 |