Pore water chemistry, grain sizes and sediment temperature of sediment core COAST_C-3

• Main Authors: Mitzscherling, Julia, Horn, Fabian, Winterfeld, Maria, Mahler, Linda, Kallmeyer, Jens, Overduin, Pier Paul, Winkel, Matthias, Grigoriev, Mikhail N, Wagner, Dirk, Liebner, Susanne
• Format: Dataset
• Language: English
• Published: PANGAEA - Data Publisher for Earth & Environmental Science 2018
• Subjects: Core; Lithologic unit/sequence; Sample ID; Sample code/label; DEPTH, sediment/rock; Depth, reference; Temperature, in rock/sediment; Barium 2+; Calcium; Potassium; Magnesium; Sodium; Silicon; Chloride; Sulfate; Bromide; Nitrate; Conductivity, electrolytic; Salinity; δ18O, water; δ Deuterium, water; pH; Carbon, total; Nitrogen, total; Sulfur, total; Carbon, organic, total; Size fraction < 0.002 mm, clay; Size fraction 0.063-0.002 mm, silt, mud; Size fraction > 0.063 mm, sand; Water content, sediment; Carbon, organic, dissolved; Drilling/drill rig; Thermistors and infrared sensors; interpolated; ICP-OES, Perkin-Elmer, Optima 3000XL; Ion chromatography DX-320 Dionex Corp.; WTW MultiLab 540; Mass spectrometer Finnigan MAT Delta-S; Element analyser CNS, Elementar Vario EL III; Beckman Coulter Laser diffraction particle size analyzer LS 200; Gravimetric estimate; Total organic carbon analyzer TOC-VCPH; RU-Land_2005_COAST; AWI Arctic Land Expedition; Permafrost Research Periglacial Dynamics @ AWI AWI_PerDyn; Arctic; Coulter; Ice; permafrost
• Online Access: https://dx.doi.org/10.1594/pangaea.895289; https://doi.pangaea.de/10.1594/PANGAEA.895289

Methods:* Temperature measurements were made using thermistors and infra-red sensors.* Pore water was extracted from thawed sediment using Rhizons™ (0.15 µm pore diameter).* Electrical conductivity, salinity and pH were measured with a WTW MultiLab 540 by using a standard conductivity cell (TetraConR 325) with four graphite electrodes.* Total dissolved element concentrations (Ba2+, Ca2+, K+, Mg2+, Na+, Siaq) were determined via the ICP-OES using a Perkin-Elmer ICP-OES Optima 3000XL.* Dissolved anion concentrations (Cl-, SO42-, Br-, NO3-) were measured with an ion chromatograph (Dionex DX-320), a latex-particle separation column, and KOH as eluent.* Determination of deuterium (δD) and oxygen isotope (δ18O) ratios was performed by means of a Finnigan MAT Delta-S mass spectrometer in combination with two equilibration units (MS Analysetechnik, Berlin).* DOC was measured as non-purgeable organic carbon via catalytic combustion at 680 °C using a Shimadzu TOC-VCPH instrument on samples treated with 20 µl of 30% supra-pure hydrochloric acid.* The ice content was determined gravimetrically.* Grain sizes were measured with a Coulter LS 200 laser particle size analyzer.* Total carbon (TC), total organic carbon (TOC) total nitrogen (TN) and total sulfur (TS) contents were determined with a CNS analyzer (Elementar VarioELIII).