Concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans
We have examined several approaches for estimating the surface concentration of particulate organic carbon, POC, from optical measurements of spectral remote-sensing reflectance, Rrs(Lambda), using field data collected in tropical and subtropical waters of the eastern South Pacific and eastern Atlan...
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Format: | Other/Unknown Material |
Language: | English |
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PANGAEA
2008
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Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.759667 https://doi.org/10.1594/PANGAEA.759667 |
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.759667 |
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Open Polar |
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PANGAEA - Data Publisher for Earth & Environmental Science |
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English |
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ANT-XXIII/1 Bay of Biscay Canarias Sea Celtic Sea CT CTD/Rosette CTD-RO English Channel Light meter LM MSD Multi Sensor Device North Atlantic Ocean Polarstern PS69 PS69/001-1 PS69/001-2 PS69/001-3 PS69/002-1 PS69/002-2 PS69/002-3 PS69/004-1 PS69/004-2 PS69/004-3 PS69/005-1 PS69/005-2 PS69/005-3 PS69/006-5 PS69/006-6 PS69/006-7 PS69/007-1 PS69/007-2 PS69/007-3 PS69/008-1 PS69/008-2 PS69/008-3 PS69/009-1 PS69/009-2 PS69/009-3 PS69/010-1 PS69/010-2 PS69/010-3 PS69/011-4 PS69/011-5 PS69/012-1 PS69/012-2 PS69/012-3 PS69/013-1 PS69/013-2 PS69/013-3 |
spellingShingle |
ANT-XXIII/1 Bay of Biscay Canarias Sea Celtic Sea CT CTD/Rosette CTD-RO English Channel Light meter LM MSD Multi Sensor Device North Atlantic Ocean Polarstern PS69 PS69/001-1 PS69/001-2 PS69/001-3 PS69/002-1 PS69/002-2 PS69/002-3 PS69/004-1 PS69/004-2 PS69/004-3 PS69/005-1 PS69/005-2 PS69/005-3 PS69/006-5 PS69/006-6 PS69/006-7 PS69/007-1 PS69/007-2 PS69/007-3 PS69/008-1 PS69/008-2 PS69/008-3 PS69/009-1 PS69/009-2 PS69/009-3 PS69/010-1 PS69/010-2 PS69/010-3 PS69/011-4 PS69/011-5 PS69/012-1 PS69/012-2 PS69/012-3 PS69/013-1 PS69/013-2 PS69/013-3 Stramski, Dariusz Reynolds, Rick A Babin, Marcel Kaczmarek, S Lewis, Marlon R Röttgers, Rüdiger Sciandra, Antoine Stramska, M Twardowski, Michael S Franz, B A Claustre, Hervé Concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans |
topic_facet |
ANT-XXIII/1 Bay of Biscay Canarias Sea Celtic Sea CT CTD/Rosette CTD-RO English Channel Light meter LM MSD Multi Sensor Device North Atlantic Ocean Polarstern PS69 PS69/001-1 PS69/001-2 PS69/001-3 PS69/002-1 PS69/002-2 PS69/002-3 PS69/004-1 PS69/004-2 PS69/004-3 PS69/005-1 PS69/005-2 PS69/005-3 PS69/006-5 PS69/006-6 PS69/006-7 PS69/007-1 PS69/007-2 PS69/007-3 PS69/008-1 PS69/008-2 PS69/008-3 PS69/009-1 PS69/009-2 PS69/009-3 PS69/010-1 PS69/010-2 PS69/010-3 PS69/011-4 PS69/011-5 PS69/012-1 PS69/012-2 PS69/012-3 PS69/013-1 PS69/013-2 PS69/013-3 |
description |
We have examined several approaches for estimating the surface concentration of particulate organic carbon, POC, from optical measurements of spectral remote-sensing reflectance, Rrs(Lambda), using field data collected in tropical and subtropical waters of the eastern South Pacific and eastern Atlantic Oceans. These approaches include a direct empirical relationship between POC and the blue-to-green band ratio of reflectance, Rrs(Lambda B)/Rrs(555), and two-step algorithms that consist of relationships linking reflectance to an inherent optical property IOP (beam attenuation or backscattering coefficient) and POC to the IOP. We considered two-step empirical algorithms that exclusively include pairs of empirical relationships and two-step hybrid algorithms that consist of semianalytical models and empirical relationships. The surface POC in our data set ranges from about 10 mg/m**3 within the South Pacific Subtropical Gyre to 270 mg/m**3 in the Chilean upwelling area, and ancillary data suggest a considerable variation in the characteristics of particulate assemblages in the investigated waters. The POC algorithm based on the direct relationship between POC and Rrs(Lambda B)/Rrs(555) promises reasonably good performance in the vast areas of the open ocean covering different provinces from hyperoligotrophic and oligotrophic waters within subtropical gyres to eutrophic coastal upwelling regimes characteristic of eastern ocean boundaries. The best error statistics were found for power function fits to the data of POC vs. Rrs(443)/Rrs(555) and POC vs. Rrs(490)/Rrs(555). For our data set that includes over 50 data pairs, these relationships are characterized by the mean normalized bias of about 2% and the normalized root mean square error of about 20%. We recommend that these algorithms be implemented for routine processing of ocean color satellite data to produce maps of surface POC with the status of an evaluation data product for continued work on algorithm development and refinements. The two-step algorithms also ... |
format |
Other/Unknown Material |
author |
Stramski, Dariusz Reynolds, Rick A Babin, Marcel Kaczmarek, S Lewis, Marlon R Röttgers, Rüdiger Sciandra, Antoine Stramska, M Twardowski, Michael S Franz, B A Claustre, Hervé |
author_facet |
Stramski, Dariusz Reynolds, Rick A Babin, Marcel Kaczmarek, S Lewis, Marlon R Röttgers, Rüdiger Sciandra, Antoine Stramska, M Twardowski, Michael S Franz, B A Claustre, Hervé |
author_sort |
Stramski, Dariusz |
title |
Concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans |
title_short |
Concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans |
title_full |
Concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans |
title_fullStr |
Concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans |
title_full_unstemmed |
Concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans |
title_sort |
concentration of particulate organic carbon and optical properties in the eastern south pacific and eastern atlantic oceans |
publisher |
PANGAEA |
publishDate |
2008 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.759667 https://doi.org/10.1594/PANGAEA.759667 |
op_coverage |
MEDIAN LATITUDE: 5.377677 * MEDIAN LONGITUDE: -3.173290 * SOUTH-BOUND LATITUDE: -25.965900 * WEST-BOUND LONGITUDE: -20.978000 * NORTH-BOUND LATITUDE: 49.728300 * EAST-BOUND LONGITUDE: 9.365700 * DATE/TIME START: 2005-10-15T12:02:00 * DATE/TIME END: 2005-11-14T13:38:00 |
long_lat |
ENVELOPE(-20.978000,9.365700,49.728300,-25.965900) |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Supplement to: Stramski, Dariusz; Reynolds, Rick A; Babin, Marcel; Kaczmarek, S; Lewis, Marlon R; Röttgers, Rüdiger; Sciandra, Antoine; Stramska, M; Twardowski, Michael S; Franz, B A; Claustre, Hervé (2008): Relationships between the surface concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans. Biogeosciences, 5, 171-201, https://doi.org/10.5194/bg-5-171-2008 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.759667 https://doi.org/10.1594/PANGAEA.759667 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.75966710.5194/bg-5-171-2008 |
_version_ |
1810464923687321600 |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.759667 2024-09-15T18:24:32+00:00 Concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans Stramski, Dariusz Reynolds, Rick A Babin, Marcel Kaczmarek, S Lewis, Marlon R Röttgers, Rüdiger Sciandra, Antoine Stramska, M Twardowski, Michael S Franz, B A Claustre, Hervé MEDIAN LATITUDE: 5.377677 * MEDIAN LONGITUDE: -3.173290 * SOUTH-BOUND LATITUDE: -25.965900 * WEST-BOUND LONGITUDE: -20.978000 * NORTH-BOUND LATITUDE: 49.728300 * EAST-BOUND LONGITUDE: 9.365700 * DATE/TIME START: 2005-10-15T12:02:00 * DATE/TIME END: 2005-11-14T13:38:00 2008 application/zip, 11 datasets https://doi.pangaea.de/10.1594/PANGAEA.759667 https://doi.org/10.1594/PANGAEA.759667 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.759667 https://doi.org/10.1594/PANGAEA.759667 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Stramski, Dariusz; Reynolds, Rick A; Babin, Marcel; Kaczmarek, S; Lewis, Marlon R; Röttgers, Rüdiger; Sciandra, Antoine; Stramska, M; Twardowski, Michael S; Franz, B A; Claustre, Hervé (2008): Relationships between the surface concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans. Biogeosciences, 5, 171-201, https://doi.org/10.5194/bg-5-171-2008 ANT-XXIII/1 Bay of Biscay Canarias Sea Celtic Sea CT CTD/Rosette CTD-RO English Channel Light meter LM MSD Multi Sensor Device North Atlantic Ocean Polarstern PS69 PS69/001-1 PS69/001-2 PS69/001-3 PS69/002-1 PS69/002-2 PS69/002-3 PS69/004-1 PS69/004-2 PS69/004-3 PS69/005-1 PS69/005-2 PS69/005-3 PS69/006-5 PS69/006-6 PS69/006-7 PS69/007-1 PS69/007-2 PS69/007-3 PS69/008-1 PS69/008-2 PS69/008-3 PS69/009-1 PS69/009-2 PS69/009-3 PS69/010-1 PS69/010-2 PS69/010-3 PS69/011-4 PS69/011-5 PS69/012-1 PS69/012-2 PS69/012-3 PS69/013-1 PS69/013-2 PS69/013-3 dataset publication series 2008 ftpangaea https://doi.org/10.1594/PANGAEA.75966710.5194/bg-5-171-2008 2024-08-21T00:02:25Z We have examined several approaches for estimating the surface concentration of particulate organic carbon, POC, from optical measurements of spectral remote-sensing reflectance, Rrs(Lambda), using field data collected in tropical and subtropical waters of the eastern South Pacific and eastern Atlantic Oceans. These approaches include a direct empirical relationship between POC and the blue-to-green band ratio of reflectance, Rrs(Lambda B)/Rrs(555), and two-step algorithms that consist of relationships linking reflectance to an inherent optical property IOP (beam attenuation or backscattering coefficient) and POC to the IOP. We considered two-step empirical algorithms that exclusively include pairs of empirical relationships and two-step hybrid algorithms that consist of semianalytical models and empirical relationships. The surface POC in our data set ranges from about 10 mg/m**3 within the South Pacific Subtropical Gyre to 270 mg/m**3 in the Chilean upwelling area, and ancillary data suggest a considerable variation in the characteristics of particulate assemblages in the investigated waters. The POC algorithm based on the direct relationship between POC and Rrs(Lambda B)/Rrs(555) promises reasonably good performance in the vast areas of the open ocean covering different provinces from hyperoligotrophic and oligotrophic waters within subtropical gyres to eutrophic coastal upwelling regimes characteristic of eastern ocean boundaries. The best error statistics were found for power function fits to the data of POC vs. Rrs(443)/Rrs(555) and POC vs. Rrs(490)/Rrs(555). For our data set that includes over 50 data pairs, these relationships are characterized by the mean normalized bias of about 2% and the normalized root mean square error of about 20%. We recommend that these algorithms be implemented for routine processing of ocean color satellite data to produce maps of surface POC with the status of an evaluation data product for continued work on algorithm development and refinements. The two-step algorithms also ... Other/Unknown Material North Atlantic PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(-20.978000,9.365700,49.728300,-25.965900) |