Abiotic and biotic sediment characteristics for stations from the North-Western Weddell Sea, Bransfield Strait, and Drake Passage (POLARSTERN cruise PS 81, ANT-XXIX/3, January-March 2013) ...

• Main Authors: Vanreusel, Ann, Hauquier, Frejia, Beuselinck, Bart, Van Gansbeke, Dirk, Viaene, Niels, Veit-Köhler, Gritta
• Format: Dataset
• Language: English
• Published: PANGAEA 2021
• Subjects: Antarctic; Grain Size; MUC; MUC/GKG; organic matter; pigments; sediment parameters; Southern Ocean; Event label; Date/Time of event; Longitude of event; Elevation of event; Cruise/expedition; Station label; Sample ID; DEPTH, sediment/rock; Depth, top/min; Depth, bottom/max; Size fraction < 0.004 mm, clay; Size fraction 0.063-0.004 mm, silt; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction > 1 mm, gravel; Nitrogen, total; Carbon, organic, total; Phorbide per unit sediment mass; Chlorophyll a per unit sediment mass; Phaeophytin per unit sediment mass; MultiCorer; Giant box corer; Laser diffraction particle size analyser Malvern Mastersizer 2000; Organic Elemental Analyzer, Thermo Fisher Scientific, Flash 2000; Fluorometry; ANT-XXIX/3; Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158; Antarc*; Antarctic Peninsula; Bransfield Strait; Drake Passage; Sea ice; Weddell Sea
• Online Access: https://dx.doi.org/10.1594/pangaea.932856; https://doi.pangaea.de/10.1594/PANGAEA.932856

Around the Antarctic Peninsula (North-Western Weddell Sea, Bransfield Strait, Drake Passage) sediment samples were collected with a MUC6 multicorer. Cores were subsampled for environmental parameters with cut-off 10-ml syringes. Subsamples for determination of grain size, total organic carbon (TOC) and total nitrogen (TN) were stored at −20°C. Samples for pigment analyses were stored at −80°C. Subsamples were sliced in 1-cm slices (0–1 cm, 1–2 cm, 2–3 cm, 3–4 cm, 4–5 cm). Sediment grain sizes were determined with a Malvern Mastersizer 2000 and expressed as relative percentages of the different size fractions. Total organic carbon (TOC) and total nitrogen (TN) were determined from freeze-dried samples by elemental analysis. Prior to combustion samples used for TOC analyses were acidified with 2% HCl in order to remove inorganic carbon. Pigments were extracted with 10 ml acetone (90%) from lyophilised sediment, separated by HPLC (High Performance Liquid Chromatography) and determined with a fluorescence detector: ...