PANGAEA_995973 Phytoplankton pigment concentrations during Maria S. Merian cruise MSM93 from North Sea to Fram Strait and back in June to July 2020 from HPLC analysed water samples Bracher, Astrid; Hohe, Christian; Wiegmann, Sonja; Xi, Hongyan Phytoplankton pigment concentrations during Maria S. Merian cruise MSM93 from North Sea to Fram Strait and back in June to July 2020 from HPLC analysed water samples 2026-07-10 PANGAEA Dataset https://doi.pangaea.de/10.1594/PANGAEA.995973 Investigator Astrid Bracher Astrid.Bracher@awi.de Earth Science Sample ID Event label DEPTH, water DATE/TIME LATITUDE LONGITUDE Chlorophyllide b Chlorophyll c3 Chlorophyll c1+c2 Chlorophyllide a Peridinin Pheophorbide a 19-Butanoyloxyfucoxanthin Fucoxanthin Neoxanthin 19-Hexanoyloxyfucoxanthin Prasinoxanthin Violaxanthin Diadinoxanthin Antheraxanthin Alloxanthin Diatoxanthin Zeaxanthin Lutein Chlorophyll b Chlorophyll a alpha-Carotene beta-Carotene 19'-Hexanoyloxy-4-ketofucoxanthin Pheophytin a Pyropheophytin a geoscientificInformation CTD/Rosette HPLC analysis Light/Optics MSM93 MSM93_100-1 MSM93_10-1 MSM93_101-1 MSM93_102-1 MSM93_107-2 MSM93_12-1 MSM93_13-6 MSM93_16-1 MSM93_17-1 MSM93_18-1 MSM93_20-1 MSM93_26-2 MSM93_27-1 MSM93_28-1 MSM93_29-1 MSM93_39-2 MSM93_41-1 MSM93_43-1 MSM93_45-1 MSM93_50-1 MSM93_51-2 MSM93_52-1 MSM93_56-1 MSM93_57-2 MSM93_59-2 MSM93_68-1 MSM93_84-1 MSM93_86-2 MSM93_88-1 MSM93_90-1 MSM93_92-1 MSM93_98-1 MSM93_99-1 MSM93-track phytoplankton pigments Underway cruise track measurements High Performance Liquid Chromatography (HPLC) Maria S. Merian 2020-06-28 2020-07-26 Complete 63.04035 79.64939 -21.22647 10.32453 0.0 m (DEPTH, water) 12.0 m (DEPTH, water) ML-PhyTAO A Machine Learning based approach towards products of Phytoplankton functional Types in the Arctic Ocean AC3 Arctic Amplification FRAM FRontiers in Arctic marine Monitoring unrestricted CC-BY-4.0: Creative Commons Attribution 4.0 International English PANGAEA Data Publisher for Earth & Environmental Science https://www.pangaea.de/ Data Center Contact Michael Diepenbroek info@pangaea.de

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Bremen Bremen 28359 Germany online 5694 data points text/tab-separated-values Xi, Hongyan; et al. (submitted): Long-term satellite observations (1998–2025) reveal changing phytoplankton community structure and phenology in the Fram Strait. Global Biogeochemical Cycles Álvarez, Eva; Losa, Svetlana N; Bracher, Astrid; Thoms, Silke; Völker, Christoph (2022): Phytoplankton Light Absorption Impacted by Photoprotective Carotenoids in a Global Ocean Spectrally-resolved Biogeochemistry Model. Journal of Advances in Modeling Earth Systems, https://doi.org/10.1029/2022MS003126 Barlow, Raymond G; Cummings, Denise G; Gibb, S W (1997): Improved resolution of mono- and divinyl chlorophylls a and b and zeaxanthin and lutein in phytoplankton extracts using reverse phase C-8 HPLC. Marine Ecology Progress Series, 161, 303-307, https://doi.org/10.3354/meps161303 Heidemann, Asta C; Hayward, Alexander; Assmy, Philipp; Basu, Atreya; Bracher, Astrid; Castellani, Giulia; Ditullio, Giacomo; Dragańska-Deja, Katarzyna; Fujiwara, Amane; Fragoso, Glaucia M; Høyer, Jacob; Hwang, Jiwoon; Iversen, Morten Hvitfeldt; von Jackowski, Anabel; Juul-Pedersen, Thomas; Kowalczuk, Piotr; Lee, Youngju; Matsuoka, Atsushi; Merz, Alenya; Mundy, Christopher John; Ostermann, Else; Peeken, Ilka; Pinkerton, Matt; Stoń-Egiert, Joanna; Thielecke, Antonia; Veyssiere, Gaëlle; Xi, Hongyan; Yang, Eun Jin; Gonçalves-Araujo, Rafael (preprint): A Pan-Arctic Pigment Database for Phytoplankton and Sea-Ice Algae. https://doi.org/10.5194/essd-2026-144 Taylor, Bettina B; Torrecilla, Elena; Bernhardt, Anja; Taylor, Marc H; Peeken, Ilka; Röttgers, Rüdiger; Piera, Jaume; Bracher, Astrid (2011): Bio-optical provinces in the eastern Atlantic Ocean and their biogeographical relevance. Biogeosciences, 8(12), 3609-3629, https://doi.org/10.5194/bg-8-3609-2011

Phytoplankton pigments were determined in the water surface (from 0 to 11 m depth) of a transect from the North Sea to the Fram Strait in the Arctic Ocean and back during Maria S. Merian expedition MSM93 from 28 June to 26 July 2020. Water samples were collected from CTD Niskin bottles at five to six different depths from the upper 100 m at CTD stations and from underway sampling. Between 0.4 to 3.5 L of each seawater sample was filtered through Whatman GF/F filters. The sample filters were then shock‐frozen in liquid N2 and kept at −80 °C until analysis. High Pressure Liquid Chromatography (HPLC) was performed to quantify various phytoplankton pigments (see Table 1 in Taylor et al. 2011) following the method of Barlow et al. (1997) that was adjusted to our temperature‐controlled instruments as detailed in Álvarez et al. (2022). Data were used to analyse the Fram Strait phytoplankton community composition dynamics in Xi et al. (submitted to GBC) and contributing to an Panarctic Ocean pigment collection (Heidemann et al. 2026). ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.995973"!

http://en.wikipedia.org/wiki/ISO_6709 LATITUDE http://en.wikipedia.org/wiki/ISO_6709 LONGITUDE http://en.wikipedia.org/wiki/ISO_8601 DATE/TIME https://doi.org/10.1029/2022MS003126 Phytoplankton Light Absorption Impacted by Photoprotective Carotenoids in a Global Ocean Spectrally-resolved Biogeochemistry Model https://doi.org/10.3354/meps161303 Improved resolution of mono- and divinyl chlorophylls a and b and zeaxanthin and lutein in phytoplankton extracts using reverse phase C-8 HPLC https://doi.org/10.5194/bg-8-3609-2011 Bio-optical provinces in the eastern Atlantic Ocean and their biogeographical relevance https://doi.org/10.5194/essd-2026-144 A Pan-Arctic Pigment Database for Phytoplankton and Sea-Ice Algae https://en.wikipedia.org/wiki/High-performance_liquid_chromatography High Performance Liquid Chromatography (HPLC) https://en.wikipedia.org/wiki/RV_Maria_S._Merian Maria S. Merian https://gepris.dfg.de/project/268020496 AC3 https://hdl.handle.net/10013/epic.32178.d001 19-Butanoyloxyfucoxanthin https://hdl.handle.net/10013/epic.32179.d001 19-Hexanoyloxyfucoxanthin https://hdl.handle.net/10013/epic.32180.d001 Alloxanthin https://hdl.handle.net/10013/epic.32181.d001 Antheraxanthin https://hdl.handle.net/10013/epic.32187.d001 Chlorophyll a https://hdl.handle.net/10013/epic.32188.d001 Chlorophyll b https://hdl.handle.net/10013/epic.32190.d001 Chlorophyll c3 https://hdl.handle.net/10013/epic.32193.d001 Chlorophyllide a https://hdl.handle.net/10013/epic.32193.d001 Chlorophyllide b https://hdl.handle.net/10013/epic.32197.d001 Diadinoxanthin https://hdl.handle.net/10013/epic.32198.d001 Diatoxanthin https://hdl.handle.net/10013/epic.32205.d001 Fucoxanthin https://hdl.handle.net/10013/epic.32215.d001 Lutein https://hdl.handle.net/10013/epic.32219.d001 Neoxanthin https://hdl.handle.net/10013/epic.32221.d001 Peridinin https://hdl.handle.net/10013/epic.32222.d001 Pheophorbide a https://hdl.handle.net/10013/epic.32224.d001 Pheophytin a https://hdl.handle.net/10013/epic.32227.d001 Prasinoxanthin https://hdl.handle.net/10013/epic.32234.d001 Violaxanthin https://hdl.handle.net/10013/epic.32235.d001 Zeaxanthin https://marine.copernicus.eu/about/research-development-projects/2022-2024/ml-phytao ML-PhyTAO https://www.awi.de/en/about-us/organisation/staff/single-view/astrid-bracher.html https://www.awi.de/en/science/research-infrastructure/observatories/ocean-fram.html FRAM DIF 9.4 2026-07-10 2026-07-14