Sediment characteristics (Chla, Phaeo, TOC, TN, δ13C, δ15N, grain size) at stations in the Weddell Sea (POLARSTERN cruise PS 96, ANT-XXXI/2, December 2015–February 2016) ...

• Main Authors: Säring, Friederike, Veit-Köhler, Gritta, Behrend, Ben, Seifert, Derya, Liskow, Iris, Link, Heike
• Format: Dataset
• Language: English
• Published: PANGAEA 2021
• Subjects: Antarctica; box corer; Chlorophyll a; Grain size data; MultiCorer; organic matter; phaeopigments; pigments; sediment; Southern Ocean; stable carbon isotope; total nitrogen; Total Organic Carbon; Weddell Sea; Event label; Date/Time of event; Latitude of event; Longitude of event; Elevation of event; Cruise/expedition; Station label; Gear identification number; Sample ID; Gear; DEPTH, sediment/rock; Depth, top/min; Depth, bottom/max; Chlorophyll a per unit sediment mass; Phaeopigments per unit sediment mass; Carbon, organic, total; Nitrogen, total; δ13C, total organic carbon; δ15N, bulk sediment; Size fraction < 0.063 mm, mud, silt+clay; 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; Giant box corer; Fluorometry; Flash combustion in a Flash 2000 Thermo elemental analyzer; Flash combustion in a Flash 2000 Thermo elemental analyser to a Delta V advantage Thermo isotope ratio masspectrometer; Grain size, Mastersizer 3000, Malvern Instrument Inc.; PS96; Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158; Arctic; Antarctic; Weddell; Antarc*; Sea ice
• Online Access: https://dx.doi.org/10.1594/pangaea.932718; https://doi.pangaea.de/10.1594/PANGAEA.932718

This dataset contains abiotic and biotic data from sediment samples from nine sites in the Weddell Sea (mostly South-Eastern). Data are provided for sediment pigments (chlorophyll a and phaeopigment content through fluorometry), total organic carbon (TOC), total nitrogen (TN), stable isotope values of carbon and nitrogen (δ13C, δ15N) and grain size (silt&clay < 32 µm, very fine sand 63–125 µm sand, fine sand 125–250 µm, medium sand 250–500 µm, coarse sand 500–1000 µm, larger coarse sand > 1000 µm). Before the TOC and carbon isotope analysis the sediment samples were acidified to eliminate inorganic carbon. A minimum of three replicate samples (cores) were collected using a MUC10 multicorer or giant box corer. Sediment cores were subsampled with a 60-ml syringe (inner diameter 2.7 cm) for stations 017, 026, 061, 072, and with a 10-ml syringe (inner diameter 1 cm) for stations 001, 037, 048, 104, 115. Subsamples were sliced in 1-cm steps down to 5 cm depth. Detailed methods are described in Säring et ...