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Iron partitioning at a single station north of South Georgia during POLARSTERN cruise ANT-XXVIII/3

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Názov: Iron partitioning at a single station north of South Georgia during POLARSTERN cruise ANT-XXVIII/3
Autori: Laglera, Luis Miguel, Santos-Echeandía, Juan, Fischer, Lisa, Hann, Stephan
Informácie o vydavateľovi: PANGAEA
Rok vydania: 2025
Zbierka: PANGAEA - Data Publisher for Earth & Environmental Science (AWI Bremerhaven / MARUM Bremen)
Predmety: ANT-XXVIII/3, biogeochemical cycles, Cast number, Comment, Cruise/expedition, DATE/TIME, Depth, bathymetric, water, dissolved particulate partitioning, GOFLO, Go-Flo bottles, iron, standard deviation, LATITUDE, LONGITUDE, Method comment, Polarstern, PS79, PS79/143-2, South Atlantic Ocean, Southern Ocean, Station label, Time in days, Voltammetry
Geografické téma: LATITUDE: -53.502000 * LONGITUDE: -36.402500 * DATE/TIME START: 2012-02-24T02:27:00 * DATE/TIME END: 2012-02-24T02:27:00 * MINIMUM DEPTH, water: 20 m * MAXIMUM DEPTH, water: 300 m
Popis: In order to infer the effect of the strong dominant winds in the north of South Georgia, we collected unfiltered and filtered by 0.2 and 53 μm samples in the upper 300 m of the water column during the Polarstern cruise ANT-XXVIII/3. Iron concentrations were determined onboard by voltammetry after at least 24 h acidification at pH 2.0 and addition of 2,3 dihydroxynaphtalene (Laglera et al. Analytical Chemistry, 2013). We also applied an acidification leaching protocol to the unfiltered and filtered samples to study the evolution of iron release from sinking particles.
Druh dokumentu: dataset
Popis súboru: text/tab-separated-values, 494 data points
Jazyk: English
Relation: Laglera, Luis Miguel; Fischer, Lisa; Santos-Echeandía, Juan; Puigcorbé, Viena; Hann, Stephan; Klaas, Christine; Wolf-Gladrow, Dieter (in review): Iron and other bioactive trace elements (Co, Mn, Cd) epipelagic biogeochemistry South of the Polar Front in the Atlantic Sector of the Southern Ocean. Global Biogeochemical Cycles; Hoppe, Clara Jule Marie; Klaas, Christine; Ossebaar, Sharyn; Soppa, Mariana A; Cheah, Wee; Laglera, Luis Miguel; Santos-Echeandía, Juan; Rost, Björn; Wolf-Gladrow, Dieter A; Bracher, Astrid; Hoppema, Mario; Strass, Volker H; Trimborn, Scarlett (2017): Controls of primary production in two phytoplankton blooms in the Antarctic Circumpolar Current. Deep Sea Research Part II: Topical Studies in Oceanography, 138, 63-73, https://doi.org/10.1016/j.dsr2.2015.10.005; Laglera, Luis Miguel; Santos-Echeandía, Juan; Caprara, Salvatore; Monticelli, Damiano (2013): Quantification of Iron in Seawater at the Low Picomolar Range Based on Optimization of Bromate/Ammonia/Dihydroxynaphtalene System by Catalytic Adsorptive Cathodic Stripping Voltammetry. Analytical Chemistry, 85(4), 2486-2492, https://doi.org/10.1021/ac303621q; Puigcorbé, Viena; Roca-Martí, Montserrat; Masqué, Pere; Benitez-Nelson, Claudia R; Rutgers van der Loeff, Michiel M; Laglera, Luis Miguel; Bracher, Astrid; Cheah, Wee; Strass, Volker H; Hoppema, Mario; Santos-Echeandía, Juan; Hunt, Brian P V; Pakhomov, Evgeny A; Klaas, Christine (2017): Particulate organic carbon export across the Antarctic Circumpolar Current at 10°E: Differences between north and south of the Antarctic Polar Front. Deep Sea Research Part II: Topical Studies in Oceanography, 138, 68-101, https://doi.org/10.1016/j.dsr2.2016.05.016; https://doi.pangaea.de/10.1594/PANGAEA.951902; https://doi.org/10.1594/PANGAEA.951902
DOI: 10.1594/PANGAEA.951902
Dostupnosť: https://doi.pangaea.de/10.1594/PANGAEA.951902
https://doi.org/10.1594/PANGAEA.951902
Rights: CC-BY-4.0: Creative Commons Attribution 4.0 International ; Access constraints: unrestricted ; info:eu-repo/semantics/openAccess
Prístupové číslo: edsbas.19D0F284
Databáza: BASE
Popis
Abstrakt:In order to infer the effect of the strong dominant winds in the north of South Georgia, we collected unfiltered and filtered by 0.2 and 53 μm samples in the upper 300 m of the water column during the Polarstern cruise ANT-XXVIII/3. Iron concentrations were determined onboard by voltammetry after at least 24 h acidification at pH 2.0 and addition of 2,3 dihydroxynaphtalene (Laglera et al. Analytical Chemistry, 2013). We also applied an acidification leaching protocol to the unfiltered and filtered samples to study the evolution of iron release from sinking particles.
DOI:10.1594/PANGAEA.951902