Mean spectral diffuse attenuation coefficients from 320 to 917 nm from high spectrally resolved radiometric underwater light transmission profiles obtained by an undulating platform towed behind the ship

Fuente: PANGAEA
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Dettagli Bibliografici
Autori principali: Bracher, Astrid, Dinter, Tilman, von Appen, Wilken-Jon
Natura: Dataset Open Access
Lingua:en
Pubblicazione: PANGAEA 2022
Soggetti:
AC3; ANT-XXXIII/4; Arctic Amplification; Atlantic Ocean transect; CTD-TRIAXUS; DATE/TIME; DEPTH, water; diffuse attenuation coefficient; Diffuse attenuation coefficient, downward at 320 nm; Diffuse attenuation coefficient, downward at 323 nm; Diffuse attenuation coefficient, downward at 326 nm; Diffuse attenuation coefficient, downward at 329 nm; Diffuse attenuation coefficient, downward at 332 nm; Diffuse attenuation coefficient, downward at 335 nm; Diffuse attenuation coefficient, downward at 338 nm; Diffuse attenuation coefficient, downward at 341 nm; Diffuse attenuation coefficient, downward at 344 nm; Diffuse attenuation coefficient, downward at 347 nm; Diffuse attenuation coefficient, downward at 350 nm; Diffuse attenuation coefficient, downward at 353 nm; Diffuse attenuation coefficient, downward at 356 nm; Diffuse attenuation coefficient, downward at 359 nm; Diffuse attenuation coefficient, downward at 362 nm; Diffuse attenuation coefficient, downward at 365 nm; Diffuse attenuation coefficient, downward at 368 nm; Diffuse attenuation coefficient, downward at 371 nm; Diffuse attenuation coefficient, downward at 374 nm; Diffuse attenuation coefficient, downward at 377 nm; Diffuse attenuation coefficient, downward at 380 nm; Diffuse attenuation coefficient, downward at 383 nm; Diffuse attenuation coefficient, downward at 386 nm; Diffuse attenuation coefficient, downward at 389 nm; Diffuse attenuation coefficient, downward at 392 nm; Diffuse attenuation coefficient, downward at 395 nm; Diffuse attenuation coefficient, downward at 398 nm; Diffuse attenuation coefficient, downward at 401 nm; Diffuse attenuation coefficient, downward at 404 nm; Diffuse attenuation coefficient, downward at 407 nm; Diffuse attenuation coefficient, downward at 410 nm; Diffuse attenuation coefficient, downward at 413 nm; Diffuse attenuation coefficient, downward at 416 nm; Diffuse attenuation coefficient, downward at 419 nm; Diffuse attenuation coefficient, downward at 422 nm; Diffuse attenuation coefficient, downward at 425 nm; Diffuse attenuation coefficient, downward at 428 nm; Diffuse attenuation coefficient, downward at 431 nm; Diffuse attenuation coefficient, downward at 434 nm; Diffuse attenuation coefficient, downward at 437 nm; Diffuse attenuation coefficient, downward at 440 nm; Diffuse attenuation coefficient, downward at 443 nm; Diffuse attenuation coefficient, downward at 446 nm; Diffuse attenuation coefficient, downward at 449 nm; Diffuse attenuation coefficient, downward at 452 nm; Diffuse attenuation coefficient, downward at 455 nm; Diffuse attenuation coefficient, downward at 458 nm; Diffuse attenuation coefficient, downward at 461 nm; Diffuse attenuation coefficient, downward at 464 nm; Diffuse attenuation coefficient, downward at 467 nm; Diffuse attenuation coefficient, downward at 470 nm; Diffuse attenuation coefficient, downward at 473 nm; Diffuse attenuation coefficient, downward at 476 nm; Diffuse attenuation coefficient, downward at 479 nm; Diffuse attenuation coefficient, downward at 482 nm; Diffuse attenuation coefficient, downward at 485 nm; Diffuse attenuation coefficient, downward at 488 nm; Diffuse attenuation coefficient, downward at 491 nm; Diffuse attenuation coefficient, downward at 494 nm; Diffuse attenuation coefficient, downward at 497 nm; Diffuse attenuation coefficient, downward at 500 nm; Diffuse attenuation coefficient, downward at 503 nm; Diffuse attenuation coefficient, downward at 506 nm; Diffuse attenuation coefficient, downward at 509 nm; Diffuse attenuation coefficient, downward at 512 nm; Diffuse attenuation coefficient, downward at 515 nm; Diffuse attenuation coefficient, downward at 518 nm; Diffuse attenuation coefficient, downward at 521 nm; Diffuse attenuation coefficient, downward at 524 nm; Diffuse attenuation coefficient, downward at 527 nm; Diffuse attenuation coefficient, downward at 530 nm; Diffuse attenuation coefficient, downward at 533 nm; Diffuse attenuation coefficient, downward at 536 nm; Diffuse attenuation coefficient, downward at 539 nm; Diffuse attenuation coefficient, downward at 542 nm; Diffuse attenuation coefficient, downward at 545 nm; Diffuse attenuation coefficient, downward at 548 nm; Diffuse attenuation coefficient, downward at 551 nm; Diffuse attenuation coefficient, downward at 554 nm; Diffuse attenuation coefficient, downward at 557 nm; Diffuse attenuation coefficient, downward at 560 nm; Diffuse attenuation coefficient, downward at 563 nm; Diffuse attenuation coefficient, downward at 566 nm; Diffuse attenuation coefficient, downward at 569 nm; Diffuse attenuation coefficient, downward at 572 nm; Diffuse attenuation coefficient, downward at 575 nm; Diffuse attenuation coefficient, downward at 578 nm; Diffuse attenuation coefficient, downward at 581 nm; Diffuse attenuation coefficient, downward at 584 nm; Diffuse attenuation coefficient, downward at 587 nm; Diffuse attenuation coefficient, downward at 590 nm; Diffuse attenuation coefficient, downward at 593 nm; Diffuse attenuation coefficient, downward at 596 nm; Diffuse attenuation coefficient, downward at 599 nm; Diffuse attenuation coefficient, downward at 602 nm; Diffuse attenuation coefficient, downward at 605 nm; Diffuse attenuation coefficient, downward at 608 nm; Diffuse attenuation coefficient, downward at 611 nm; Diffuse attenuation coefficient, downward at 614 nm; Diffuse attenuation coefficient, downward at 617 nm; Diffuse attenuation coefficient, downward at 620 nm; Diffuse attenuation coefficient, downward at 623 nm; Diffuse attenuation coefficient, downward at 626 nm; Diffuse attenuation coefficient, downward at 629 nm; Diffuse attenuation coefficient, downward at 632 nm; Diffuse attenuation coefficient, downward at 635 nm; Diffuse attenuation coefficient, downward at 638 nm; Diffuse attenuation coefficient, downward at 641 nm; Diffuse attenuation coefficient, downward at 644 nm; Diffuse attenuation coefficient, downward at 647 nm; Diffuse attenuation coefficient, downward at 650 nm; Diffuse attenuation coefficient, downward at 653 nm; Diffuse attenuation coefficient, downward at 656 nm; Diffuse attenuation coefficient, downward at 659 nm; Diffuse attenuation coefficient, downward at 662 nm; Diffuse attenuation coefficient, downward at 665 nm; Diffuse attenuation coefficient, downward at 668 nm; Diffuse attenuation coefficient, downward at 671 nm; Diffuse attenuation coefficient, downward at 674 nm; Diffuse attenuation coefficient, downward at 677 nm; Diffuse attenuation coefficient, downward at 680 nm; Diffuse attenuation coefficient, downward at 683 nm; Diffuse attenuation coefficient, downward at 686 nm; Diffuse attenuation coefficient, downward at 689 nm; Diffuse attenuation coefficient, downward at 692 nm; Diffuse attenuation coefficient, downward at 695 nm; Diffuse attenuation coefficient, downward at 698 nm; Diffuse attenuation coefficient, downward at 701 nm; Diffuse attenuation coefficient, downward at 704 nm; Diffuse attenuation coefficient, downward at 707 nm; Diffuse attenuation coefficient, downward at 710 nm; Diffuse attenuation coefficient, downward at 713 nm; Diffuse attenuation coefficient, downward at 716 nm; Diffuse attenuation coefficient, downward at 719 nm; Diffuse attenuation coefficient, downward at 722 nm; Diffuse attenuation coefficient, downward at 725 nm; Diffuse attenuation coefficient, downward at 728 nm; Diffuse attenuation coefficient, downward at 731 nm; Diffuse attenuation coefficient, downward at 734 nm; Diffuse attenuation coefficient, downward at 737 nm; Diffuse attenuation coefficient, downward at 740 nm; Diffuse attenuation coefficient, downward at 743 nm; Diffuse attenuation coefficient, downward at 746 nm; Diffuse attenuation coefficient, downward at 749 nm; Diffuse attenuation coefficient, downward at 752 nm; Diffuse attenuation coefficient, downward at 755 nm; Diffuse attenuation coefficient, downward at 758 nm; Diffuse attenuation coefficient, downward at 761 nm; Diffuse attenuation coefficient, downward at 764 nm; Diffuse attenuation coefficient, downward at 767 nm; Diffuse attenuation coefficient, downward at 770 nm; Diffuse attenuation coefficient, downward at 773 nm; Diffuse attenuation coefficient, downward at 776 nm; Diffuse attenuation coefficient, downward at 779 nm; Diffuse attenuation coefficient, downward at 782 nm; Diffuse attenuation coefficient, downward at 785 nm; Diffuse attenuation coefficient, downward at 788 nm; Diffuse attenuation coefficient, downward at 791 nm; Diffuse attenuation coefficient, downward at 794 nm; Diffuse attenuation coefficient, downward at 797 nm; Diffuse attenuation coefficient, downward at 800 nm; Diffuse attenuation coefficient, downward at 803 nm; Diffuse attenuation coefficient, downward at 806 nm; Diffuse attenuation coefficient, downward at 809 nm; Diffuse attenuation coefficient, downward at 812 nm; Diffuse attenuation coefficient, downward at 815 nm; Diffuse attenuation coefficient, downward at 818 nm; Diffuse attenuation coefficient, downward at 821 nm; Diffuse attenuation coefficient, downward at 824 nm; Diffuse attenuation coefficient, downward at 827 nm; Diffuse attenuation coefficient, downward at 830 nm; Diffuse attenuation coefficient, downward at 833 nm; Diffuse attenuation coefficient, downward at 836 nm; Diffuse attenuation coefficient, downward at 839 nm; Diffuse attenuation coefficient, downward at 842 nm; Diffuse attenuation coefficient, downward at 845 nm; Diffuse attenuation coefficient, downward at 848 nm; Diffuse attenuation coefficient, downward at 851 nm; Diffuse attenuation coefficient, downward at 854 nm; Diffuse attenuation coefficient, downward at 857 nm; Diffuse attenuation coefficient, downward at 860 nm; Diffuse attenuation coefficient, downward at 863 nm; Diffuse attenuation coefficient, downward at 866 nm; Diffuse attenuation coefficient, downward at 869 nm; Diffuse attenuation coefficient, downward at 872 nm; Diffuse attenuation coefficient, downward at 875 nm; Diffuse attenuation coefficient, downward at 878 nm; Diffuse attenuation coefficient, downward at 881 nm; Diffuse attenuation coefficient, downward at 884 nm; Diffuse attenuation coefficient, downward at 887 nm; Diffuse attenuation coefficient, downward at 890 nm; Diffuse attenuation coefficient, downward at 893 nm; Diffuse attenuation coefficient, downward at 896 nm; Diffuse attenuation coefficient, downward at 899 nm; Diffuse attenuation coefficient, downward at 902 nm; Diffuse attenuation coefficient, downward at 905 nm; Diffuse attenuation coefficient, downward at 908 nm; Diffuse attenuation coefficient, downward at 911 nm; Diffuse attenuation coefficient, downward at 914 nm; Diffuse attenuation coefficient, downward at 917 nm; Event label; Exploitation of Sentinel-5-P for Ocean Colour Products; FRAM; FRontiers in Arctic marine Monitoring; LATITUDE; LONGITUDE; North Atlantic Ocean; Polarstern; PS113; PS113_16-1; PS113_19-1; PS113_20-2; PS113_24-1; PS113_27-3; radiometric profiles; RAMSES ACC-2-VIS, TriOS GmbH; S5POC; South Atlantic Ocean; spectrally resolved
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author Bracher, Astrid
Dinter, Tilman
von Appen, Wilken-Jon
author_facet Bracher, Astrid
Dinter, Tilman
von Appen, Wilken-Jon
collection Datos científicos de ciencias marinas y ambientales
contents Radiometric data was collected on Polarstern expedition PS113, crossing the Atlantic from the Patagonian Shelf to the English Channel with an irradiance sensors (RAMSES ACC-2-VIS, TriOS GmbH, Germany) covering the wavelength region from 320 nm to 917 nm with a spectral sampling of 3.3. nm, resolution of 10 nm, and accuracy of 0.3 nm. The sensor was mounted on an undulating platform (Triaxus, extended version, MacArtney, Denmark) towed behind the research vessel at a speed of 8 knots for several transects along the cruise track and measured the underwater downwelling irradiance Ed(z, λ). Vertical movement of the Triaxus was 1 m/s. The depth was determined with a Seabird CTD mounted to the Triaxus and the inclination in all directions was recorded by the Triaxus hardware (details in von Appen et al. 2020). Measurements were taken with automatically adjusted integration times between 4 ms and 8 s. Data of a light profile was only processed if the euphotic depth was reached and values of the downwelling irradiance at 15 m depth and a wavelength of 400 nm were greater than 150 mW m−2 nm−1. Radiometric data from 6 transects (on 19, 21, 22, 24, 25, and 27 May 2018) between 2 and 48 hours duration were identified useful for determining Kd(λ). Generally, profile measurements were only valid if the instrument's inclination in either dimension was < 14°. Another RAMSES ACC-2-VIS sensor mounted on top of the ship recorded the incident downwelling irradiance above the surface Ed(λ, 0 + ), to correct for incident sunlight variations. Mean Kd was calculated from Ed(z, λ) profiles mostly over the depth interval 7 to 30 m, some 7 to 60 m. Details on measurement procedure and determination of Kd can be found in Bracher et al. (2020a, 2020b).
format Dataset Open Access
id pangaea_https___doi_org_10_1594_PANGAEA_939927
institution PANGAEA
language en
publishDate 2022
publisher PANGAEA
record_format pangaea
spellingShingle Mean spectral diffuse attenuation coefficients from 320 to 917 nm from high spectrally resolved radiometric underwater light transmission profiles obtained by an undulating platform towed behind the ship
Bracher, Astrid
Dinter, Tilman
von Appen, Wilken-Jon
AC3; ANT-XXXIII/4; Arctic Amplification; Atlantic Ocean transect; CTD-TRIAXUS; DATE/TIME; DEPTH, water; diffuse attenuation coefficient; Diffuse attenuation coefficient, downward at 320 nm; Diffuse attenuation coefficient, downward at 323 nm; Diffuse attenuation coefficient, downward at 326 nm; Diffuse attenuation coefficient, downward at 329 nm; Diffuse attenuation coefficient, downward at 332 nm; Diffuse attenuation coefficient, downward at 335 nm; Diffuse attenuation coefficient, downward at 338 nm; Diffuse attenuation coefficient, downward at 341 nm; Diffuse attenuation coefficient, downward at 344 nm; Diffuse attenuation coefficient, downward at 347 nm; Diffuse attenuation coefficient, downward at 350 nm; Diffuse attenuation coefficient, downward at 353 nm; Diffuse attenuation coefficient, downward at 356 nm; Diffuse attenuation coefficient, downward at 359 nm; Diffuse attenuation coefficient, downward at 362 nm; Diffuse attenuation coefficient, downward at 365 nm; Diffuse attenuation coefficient, downward at 368 nm; Diffuse attenuation coefficient, downward at 371 nm; Diffuse attenuation coefficient, downward at 374 nm; Diffuse attenuation coefficient, downward at 377 nm; Diffuse attenuation coefficient, downward at 380 nm; Diffuse attenuation coefficient, downward at 383 nm; Diffuse attenuation coefficient, downward at 386 nm; Diffuse attenuation coefficient, downward at 389 nm; Diffuse attenuation coefficient, downward at 392 nm; Diffuse attenuation coefficient, downward at 395 nm; Diffuse attenuation coefficient, downward at 398 nm; Diffuse attenuation coefficient, downward at 401 nm; Diffuse attenuation coefficient, downward at 404 nm; Diffuse attenuation coefficient, downward at 407 nm; Diffuse attenuation coefficient, downward at 410 nm; Diffuse attenuation coefficient, downward at 413 nm; Diffuse attenuation coefficient, downward at 416 nm; Diffuse attenuation coefficient, downward at 419 nm; Diffuse attenuation coefficient, downward at 422 nm; Diffuse attenuation coefficient, downward at 425 nm; Diffuse attenuation coefficient, downward at 428 nm; Diffuse attenuation coefficient, downward at 431 nm; Diffuse attenuation coefficient, downward at 434 nm; Diffuse attenuation coefficient, downward at 437 nm; Diffuse attenuation coefficient, downward at 440 nm; Diffuse attenuation coefficient, downward at 443 nm; Diffuse attenuation coefficient, downward at 446 nm; Diffuse attenuation coefficient, downward at 449 nm; Diffuse attenuation coefficient, downward at 452 nm; Diffuse attenuation coefficient, downward at 455 nm; Diffuse attenuation coefficient, downward at 458 nm; Diffuse attenuation coefficient, downward at 461 nm; Diffuse attenuation coefficient, downward at 464 nm; Diffuse attenuation coefficient, downward at 467 nm; Diffuse attenuation coefficient, downward at 470 nm; Diffuse attenuation coefficient, downward at 473 nm; Diffuse attenuation coefficient, downward at 476 nm; Diffuse attenuation coefficient, downward at 479 nm; Diffuse attenuation coefficient, downward at 482 nm; Diffuse attenuation coefficient, downward at 485 nm; Diffuse attenuation coefficient, downward at 488 nm; Diffuse attenuation coefficient, downward at 491 nm; Diffuse attenuation coefficient, downward at 494 nm; Diffuse attenuation coefficient, downward at 497 nm; Diffuse attenuation coefficient, downward at 500 nm; Diffuse attenuation coefficient, downward at 503 nm; Diffuse attenuation coefficient, downward at 506 nm; Diffuse attenuation coefficient, downward at 509 nm; Diffuse attenuation coefficient, downward at 512 nm; Diffuse attenuation coefficient, downward at 515 nm; Diffuse attenuation coefficient, downward at 518 nm; Diffuse attenuation coefficient, downward at 521 nm; Diffuse attenuation coefficient, downward at 524 nm; Diffuse attenuation coefficient, downward at 527 nm; Diffuse attenuation coefficient, downward at 530 nm; Diffuse attenuation coefficient, downward at 533 nm; Diffuse attenuation coefficient, downward at 536 nm; Diffuse attenuation coefficient, downward at 539 nm; Diffuse attenuation coefficient, downward at 542 nm; Diffuse attenuation coefficient, downward at 545 nm; Diffuse attenuation coefficient, downward at 548 nm; Diffuse attenuation coefficient, downward at 551 nm; Diffuse attenuation coefficient, downward at 554 nm; Diffuse attenuation coefficient, downward at 557 nm; Diffuse attenuation coefficient, downward at 560 nm; Diffuse attenuation coefficient, downward at 563 nm; Diffuse attenuation coefficient, downward at 566 nm; Diffuse attenuation coefficient, downward at 569 nm; Diffuse attenuation coefficient, downward at 572 nm; Diffuse attenuation coefficient, downward at 575 nm; Diffuse attenuation coefficient, downward at 578 nm; Diffuse attenuation coefficient, downward at 581 nm; Diffuse attenuation coefficient, downward at 584 nm; Diffuse attenuation coefficient, downward at 587 nm; Diffuse attenuation coefficient, downward at 590 nm; Diffuse attenuation coefficient, downward at 593 nm; Diffuse attenuation coefficient, downward at 596 nm; Diffuse attenuation coefficient, downward at 599 nm; Diffuse attenuation coefficient, downward at 602 nm; Diffuse attenuation coefficient, downward at 605 nm; Diffuse attenuation coefficient, downward at 608 nm; Diffuse attenuation coefficient, downward at 611 nm; Diffuse attenuation coefficient, downward at 614 nm; Diffuse attenuation coefficient, downward at 617 nm; Diffuse attenuation coefficient, downward at 620 nm; Diffuse attenuation coefficient, downward at 623 nm; Diffuse attenuation coefficient, downward at 626 nm; Diffuse attenuation coefficient, downward at 629 nm; Diffuse attenuation coefficient, downward at 632 nm; Diffuse attenuation coefficient, downward at 635 nm; Diffuse attenuation coefficient, downward at 638 nm; Diffuse attenuation coefficient, downward at 641 nm; Diffuse attenuation coefficient, downward at 644 nm; Diffuse attenuation coefficient, downward at 647 nm; Diffuse attenuation coefficient, downward at 650 nm; Diffuse attenuation coefficient, downward at 653 nm; Diffuse attenuation coefficient, downward at 656 nm; Diffuse attenuation coefficient, downward at 659 nm; Diffuse attenuation coefficient, downward at 662 nm; Diffuse attenuation coefficient, downward at 665 nm; Diffuse attenuation coefficient, downward at 668 nm; Diffuse attenuation coefficient, downward at 671 nm; Diffuse attenuation coefficient, downward at 674 nm; Diffuse attenuation coefficient, downward at 677 nm; Diffuse attenuation coefficient, downward at 680 nm; Diffuse attenuation coefficient, downward at 683 nm; Diffuse attenuation coefficient, downward at 686 nm; Diffuse attenuation coefficient, downward at 689 nm; Diffuse attenuation coefficient, downward at 692 nm; Diffuse attenuation coefficient, downward at 695 nm; Diffuse attenuation coefficient, downward at 698 nm; Diffuse attenuation coefficient, downward at 701 nm; Diffuse attenuation coefficient, downward at 704 nm; Diffuse attenuation coefficient, downward at 707 nm; Diffuse attenuation coefficient, downward at 710 nm; Diffuse attenuation coefficient, downward at 713 nm; Diffuse attenuation coefficient, downward at 716 nm; Diffuse attenuation coefficient, downward at 719 nm; Diffuse attenuation coefficient, downward at 722 nm; Diffuse attenuation coefficient, downward at 725 nm; Diffuse attenuation coefficient, downward at 728 nm; Diffuse attenuation coefficient, downward at 731 nm; Diffuse attenuation coefficient, downward at 734 nm; Diffuse attenuation coefficient, downward at 737 nm; Diffuse attenuation coefficient, downward at 740 nm; Diffuse attenuation coefficient, downward at 743 nm; Diffuse attenuation coefficient, downward at 746 nm; Diffuse attenuation coefficient, downward at 749 nm; Diffuse attenuation coefficient, downward at 752 nm; Diffuse attenuation coefficient, downward at 755 nm; Diffuse attenuation coefficient, downward at 758 nm; Diffuse attenuation coefficient, downward at 761 nm; Diffuse attenuation coefficient, downward at 764 nm; Diffuse attenuation coefficient, downward at 767 nm; Diffuse attenuation coefficient, downward at 770 nm; Diffuse attenuation coefficient, downward at 773 nm; Diffuse attenuation coefficient, downward at 776 nm; Diffuse attenuation coefficient, downward at 779 nm; Diffuse attenuation coefficient, downward at 782 nm; Diffuse attenuation coefficient, downward at 785 nm; Diffuse attenuation coefficient, downward at 788 nm; Diffuse attenuation coefficient, downward at 791 nm; Diffuse attenuation coefficient, downward at 794 nm; Diffuse attenuation coefficient, downward at 797 nm; Diffuse attenuation coefficient, downward at 800 nm; Diffuse attenuation coefficient, downward at 803 nm; Diffuse attenuation coefficient, downward at 806 nm; Diffuse attenuation coefficient, downward at 809 nm; Diffuse attenuation coefficient, downward at 812 nm; Diffuse attenuation coefficient, downward at 815 nm; Diffuse attenuation coefficient, downward at 818 nm; Diffuse attenuation coefficient, downward at 821 nm; Diffuse attenuation coefficient, downward at 824 nm; Diffuse attenuation coefficient, downward at 827 nm; Diffuse attenuation coefficient, downward at 830 nm; Diffuse attenuation coefficient, downward at 833 nm; Diffuse attenuation coefficient, downward at 836 nm; Diffuse attenuation coefficient, downward at 839 nm; Diffuse attenuation coefficient, downward at 842 nm; Diffuse attenuation coefficient, downward at 845 nm; Diffuse attenuation coefficient, downward at 848 nm; Diffuse attenuation coefficient, downward at 851 nm; Diffuse attenuation coefficient, downward at 854 nm; Diffuse attenuation coefficient, downward at 857 nm; Diffuse attenuation coefficient, downward at 860 nm; Diffuse attenuation coefficient, downward at 863 nm; Diffuse attenuation coefficient, downward at 866 nm; Diffuse attenuation coefficient, downward at 869 nm; Diffuse attenuation coefficient, downward at 872 nm; Diffuse attenuation coefficient, downward at 875 nm; Diffuse attenuation coefficient, downward at 878 nm; Diffuse attenuation coefficient, downward at 881 nm; Diffuse attenuation coefficient, downward at 884 nm; Diffuse attenuation coefficient, downward at 887 nm; Diffuse attenuation coefficient, downward at 890 nm; Diffuse attenuation coefficient, downward at 893 nm; Diffuse attenuation coefficient, downward at 896 nm; Diffuse attenuation coefficient, downward at 899 nm; Diffuse attenuation coefficient, downward at 902 nm; Diffuse attenuation coefficient, downward at 905 nm; Diffuse attenuation coefficient, downward at 908 nm; Diffuse attenuation coefficient, downward at 911 nm; Diffuse attenuation coefficient, downward at 914 nm; Diffuse attenuation coefficient, downward at 917 nm; Event label; Exploitation of Sentinel-5-P for Ocean Colour Products; FRAM; FRontiers in Arctic marine Monitoring; LATITUDE; LONGITUDE; North Atlantic Ocean; Polarstern; PS113; PS113_16-1; PS113_19-1; PS113_20-2; PS113_24-1; PS113_27-3; radiometric profiles; RAMSES ACC-2-VIS, TriOS GmbH; S5POC; South Atlantic Ocean; spectrally resolved
Radiometric data was collected on Polarstern expedition PS113, crossing the Atlantic from the Patagonian Shelf to the English Channel with an irradiance sensors (RAMSES ACC-2-VIS, TriOS GmbH, Germany) covering the wavelength region from 320 nm to 917 nm with a spectral sampling of 3.3. nm, resolution of 10 nm, and accuracy of 0.3 nm. The sensor was mounted on an undulating platform (Triaxus, extended version, MacArtney, Denmark) towed behind the research vessel at a speed of 8 knots for several transects along the cruise track and measured the underwater downwelling irradiance Ed(z, λ). Vertical movement of the Triaxus was 1 m/s. The depth was determined with a Seabird CTD mounted to the Triaxus and the inclination in all directions was recorded by the Triaxus hardware (details in von Appen et al. 2020). Measurements were taken with automatically adjusted integration times between 4 ms and 8 s. Data of a light profile was only processed if the euphotic depth was reached and values of the downwelling irradiance at 15 m depth and a wavelength of 400 nm were greater than 150 mW m−2 nm−1. Radiometric data from 6 transects (on 19, 21, 22, 24, 25, and 27 May 2018) between 2 and 48 hours duration were identified useful for determining Kd(λ). Generally, profile measurements were only valid if the instrument's inclination in either dimension was < 14°. Another RAMSES ACC-2-VIS sensor mounted on top of the ship recorded the incident downwelling irradiance above the surface Ed(λ, 0 + ), to correct for incident sunlight variations. Mean Kd was calculated from Ed(z, λ) profiles mostly over the depth interval 7 to 30 m, some 7 to 60 m. Details on measurement procedure and determination of Kd can be found in Bracher et al. (2020a, 2020b).
title Mean spectral diffuse attenuation coefficients from 320 to 917 nm from high spectrally resolved radiometric underwater light transmission profiles obtained by an undulating platform towed behind the ship
topic AC3; ANT-XXXIII/4; Arctic Amplification; Atlantic Ocean transect; CTD-TRIAXUS; DATE/TIME; DEPTH, water; diffuse attenuation coefficient; Diffuse attenuation coefficient, downward at 320 nm; Diffuse attenuation coefficient, downward at 323 nm; Diffuse attenuation coefficient, downward at 326 nm; Diffuse attenuation coefficient, downward at 329 nm; Diffuse attenuation coefficient, downward at 332 nm; Diffuse attenuation coefficient, downward at 335 nm; Diffuse attenuation coefficient, downward at 338 nm; Diffuse attenuation coefficient, downward at 341 nm; Diffuse attenuation coefficient, downward at 344 nm; Diffuse attenuation coefficient, downward at 347 nm; Diffuse attenuation coefficient, downward at 350 nm; Diffuse attenuation coefficient, downward at 353 nm; Diffuse attenuation coefficient, downward at 356 nm; Diffuse attenuation coefficient, downward at 359 nm; Diffuse attenuation coefficient, downward at 362 nm; Diffuse attenuation coefficient, downward at 365 nm; Diffuse attenuation coefficient, downward at 368 nm; Diffuse attenuation coefficient, downward at 371 nm; Diffuse attenuation coefficient, downward at 374 nm; Diffuse attenuation coefficient, downward at 377 nm; Diffuse attenuation coefficient, downward at 380 nm; Diffuse attenuation coefficient, downward at 383 nm; Diffuse attenuation coefficient, downward at 386 nm; Diffuse attenuation coefficient, downward at 389 nm; Diffuse attenuation coefficient, downward at 392 nm; Diffuse attenuation coefficient, downward at 395 nm; Diffuse attenuation coefficient, downward at 398 nm; Diffuse attenuation coefficient, downward at 401 nm; Diffuse attenuation coefficient, downward at 404 nm; Diffuse attenuation coefficient, downward at 407 nm; Diffuse attenuation coefficient, downward at 410 nm; Diffuse attenuation coefficient, downward at 413 nm; Diffuse attenuation coefficient, downward at 416 nm; Diffuse attenuation coefficient, downward at 419 nm; Diffuse attenuation coefficient, downward at 422 nm; Diffuse attenuation coefficient, downward at 425 nm; Diffuse attenuation coefficient, downward at 428 nm; Diffuse attenuation coefficient, downward at 431 nm; Diffuse attenuation coefficient, downward at 434 nm; Diffuse attenuation coefficient, downward at 437 nm; Diffuse attenuation coefficient, downward at 440 nm; Diffuse attenuation coefficient, downward at 443 nm; Diffuse attenuation coefficient, downward at 446 nm; Diffuse attenuation coefficient, downward at 449 nm; Diffuse attenuation coefficient, downward at 452 nm; Diffuse attenuation coefficient, downward at 455 nm; Diffuse attenuation coefficient, downward at 458 nm; Diffuse attenuation coefficient, downward at 461 nm; Diffuse attenuation coefficient, downward at 464 nm; Diffuse attenuation coefficient, downward at 467 nm; Diffuse attenuation coefficient, downward at 470 nm; Diffuse attenuation coefficient, downward at 473 nm; Diffuse attenuation coefficient, downward at 476 nm; Diffuse attenuation coefficient, downward at 479 nm; Diffuse attenuation coefficient, downward at 482 nm; Diffuse attenuation coefficient, downward at 485 nm; Diffuse attenuation coefficient, downward at 488 nm; Diffuse attenuation coefficient, downward at 491 nm; Diffuse attenuation coefficient, downward at 494 nm; Diffuse attenuation coefficient, downward at 497 nm; Diffuse attenuation coefficient, downward at 500 nm; Diffuse attenuation coefficient, downward at 503 nm; Diffuse attenuation coefficient, downward at 506 nm; Diffuse attenuation coefficient, downward at 509 nm; Diffuse attenuation coefficient, downward at 512 nm; Diffuse attenuation coefficient, downward at 515 nm; Diffuse attenuation coefficient, downward at 518 nm; Diffuse attenuation coefficient, downward at 521 nm; Diffuse attenuation coefficient, downward at 524 nm; Diffuse attenuation coefficient, downward at 527 nm; Diffuse attenuation coefficient, downward at 530 nm; Diffuse attenuation coefficient, downward at 533 nm; Diffuse attenuation coefficient, downward at 536 nm; Diffuse attenuation coefficient, downward at 539 nm; Diffuse attenuation coefficient, downward at 542 nm; Diffuse attenuation coefficient, downward at 545 nm; Diffuse attenuation coefficient, downward at 548 nm; Diffuse attenuation coefficient, downward at 551 nm; Diffuse attenuation coefficient, downward at 554 nm; Diffuse attenuation coefficient, downward at 557 nm; Diffuse attenuation coefficient, downward at 560 nm; Diffuse attenuation coefficient, downward at 563 nm; Diffuse attenuation coefficient, downward at 566 nm; Diffuse attenuation coefficient, downward at 569 nm; Diffuse attenuation coefficient, downward at 572 nm; Diffuse attenuation coefficient, downward at 575 nm; Diffuse attenuation coefficient, downward at 578 nm; Diffuse attenuation coefficient, downward at 581 nm; Diffuse attenuation coefficient, downward at 584 nm; Diffuse attenuation coefficient, downward at 587 nm; Diffuse attenuation coefficient, downward at 590 nm; Diffuse attenuation coefficient, downward at 593 nm; Diffuse attenuation coefficient, downward at 596 nm; Diffuse attenuation coefficient, downward at 599 nm; Diffuse attenuation coefficient, downward at 602 nm; Diffuse attenuation coefficient, downward at 605 nm; Diffuse attenuation coefficient, downward at 608 nm; Diffuse attenuation coefficient, downward at 611 nm; Diffuse attenuation coefficient, downward at 614 nm; Diffuse attenuation coefficient, downward at 617 nm; Diffuse attenuation coefficient, downward at 620 nm; Diffuse attenuation coefficient, downward at 623 nm; Diffuse attenuation coefficient, downward at 626 nm; Diffuse attenuation coefficient, downward at 629 nm; Diffuse attenuation coefficient, downward at 632 nm; Diffuse attenuation coefficient, downward at 635 nm; Diffuse attenuation coefficient, downward at 638 nm; Diffuse attenuation coefficient, downward at 641 nm; Diffuse attenuation coefficient, downward at 644 nm; Diffuse attenuation coefficient, downward at 647 nm; Diffuse attenuation coefficient, downward at 650 nm; Diffuse attenuation coefficient, downward at 653 nm; Diffuse attenuation coefficient, downward at 656 nm; Diffuse attenuation coefficient, downward at 659 nm; Diffuse attenuation coefficient, downward at 662 nm; Diffuse attenuation coefficient, downward at 665 nm; Diffuse attenuation coefficient, downward at 668 nm; Diffuse attenuation coefficient, downward at 671 nm; Diffuse attenuation coefficient, downward at 674 nm; Diffuse attenuation coefficient, downward at 677 nm; Diffuse attenuation coefficient, downward at 680 nm; Diffuse attenuation coefficient, downward at 683 nm; Diffuse attenuation coefficient, downward at 686 nm; Diffuse attenuation coefficient, downward at 689 nm; Diffuse attenuation coefficient, downward at 692 nm; Diffuse attenuation coefficient, downward at 695 nm; Diffuse attenuation coefficient, downward at 698 nm; Diffuse attenuation coefficient, downward at 701 nm; Diffuse attenuation coefficient, downward at 704 nm; Diffuse attenuation coefficient, downward at 707 nm; Diffuse attenuation coefficient, downward at 710 nm; Diffuse attenuation coefficient, downward at 713 nm; Diffuse attenuation coefficient, downward at 716 nm; Diffuse attenuation coefficient, downward at 719 nm; Diffuse attenuation coefficient, downward at 722 nm; Diffuse attenuation coefficient, downward at 725 nm; Diffuse attenuation coefficient, downward at 728 nm; Diffuse attenuation coefficient, downward at 731 nm; Diffuse attenuation coefficient, downward at 734 nm; Diffuse attenuation coefficient, downward at 737 nm; Diffuse attenuation coefficient, downward at 740 nm; Diffuse attenuation coefficient, downward at 743 nm; Diffuse attenuation coefficient, downward at 746 nm; Diffuse attenuation coefficient, downward at 749 nm; Diffuse attenuation coefficient, downward at 752 nm; Diffuse attenuation coefficient, downward at 755 nm; Diffuse attenuation coefficient, downward at 758 nm; Diffuse attenuation coefficient, downward at 761 nm; Diffuse attenuation coefficient, downward at 764 nm; Diffuse attenuation coefficient, downward at 767 nm; Diffuse attenuation coefficient, downward at 770 nm; Diffuse attenuation coefficient, downward at 773 nm; Diffuse attenuation coefficient, downward at 776 nm; Diffuse attenuation coefficient, downward at 779 nm; Diffuse attenuation coefficient, downward at 782 nm; Diffuse attenuation coefficient, downward at 785 nm; Diffuse attenuation coefficient, downward at 788 nm; Diffuse attenuation coefficient, downward at 791 nm; Diffuse attenuation coefficient, downward at 794 nm; Diffuse attenuation coefficient, downward at 797 nm; Diffuse attenuation coefficient, downward at 800 nm; Diffuse attenuation coefficient, downward at 803 nm; Diffuse attenuation coefficient, downward at 806 nm; Diffuse attenuation coefficient, downward at 809 nm; Diffuse attenuation coefficient, downward at 812 nm; Diffuse attenuation coefficient, downward at 815 nm; Diffuse attenuation coefficient, downward at 818 nm; Diffuse attenuation coefficient, downward at 821 nm; Diffuse attenuation coefficient, downward at 824 nm; Diffuse attenuation coefficient, downward at 827 nm; Diffuse attenuation coefficient, downward at 830 nm; Diffuse attenuation coefficient, downward at 833 nm; Diffuse attenuation coefficient, downward at 836 nm; Diffuse attenuation coefficient, downward at 839 nm; Diffuse attenuation coefficient, downward at 842 nm; Diffuse attenuation coefficient, downward at 845 nm; Diffuse attenuation coefficient, downward at 848 nm; Diffuse attenuation coefficient, downward at 851 nm; Diffuse attenuation coefficient, downward at 854 nm; Diffuse attenuation coefficient, downward at 857 nm; Diffuse attenuation coefficient, downward at 860 nm; Diffuse attenuation coefficient, downward at 863 nm; Diffuse attenuation coefficient, downward at 866 nm; Diffuse attenuation coefficient, downward at 869 nm; Diffuse attenuation coefficient, downward at 872 nm; Diffuse attenuation coefficient, downward at 875 nm; Diffuse attenuation coefficient, downward at 878 nm; Diffuse attenuation coefficient, downward at 881 nm; Diffuse attenuation coefficient, downward at 884 nm; Diffuse attenuation coefficient, downward at 887 nm; Diffuse attenuation coefficient, downward at 890 nm; Diffuse attenuation coefficient, downward at 893 nm; Diffuse attenuation coefficient, downward at 896 nm; Diffuse attenuation coefficient, downward at 899 nm; Diffuse attenuation coefficient, downward at 902 nm; Diffuse attenuation coefficient, downward at 905 nm; Diffuse attenuation coefficient, downward at 908 nm; Diffuse attenuation coefficient, downward at 911 nm; Diffuse attenuation coefficient, downward at 914 nm; Diffuse attenuation coefficient, downward at 917 nm; Event label; Exploitation of Sentinel-5-P for Ocean Colour Products; FRAM; FRontiers in Arctic marine Monitoring; LATITUDE; LONGITUDE; North Atlantic Ocean; Polarstern; PS113; PS113_16-1; PS113_19-1; PS113_20-2; PS113_24-1; PS113_27-3; radiometric profiles; RAMSES ACC-2-VIS, TriOS GmbH; S5POC; South Atlantic Ocean; spectrally resolved
url https://doi.org/10.1594/PANGAEA.939927