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Research data . Dataset . 2016

Ex situ microsensor profiles of sulfide concentration and pH in/outside mat 1 (MSM15/1_492-PUC1) measured during the MSM15/1 cruise in 2010 (Black Sea)

Lichtschlag, Anna; Boetius, Antje;
Open Access
English
Published: 01 Jan 2016
Publisher: PANGAEA
Abstract

Biogeochemical measurements in sediment cores collected with the submersible JAGO (pusch cores) and a TV-MUC in the Black Sea during MSM15/1, Northwest Crimea (HYPOX Project), at water depths between 152-156 m. A series of microbial mats were sampled on the hypoxic region of the Crimean Shelf. Concentrations of organic carbon (Corg) and nitrogen (N) were measured on finely powdered, freeze-dried subsamples of sediment using a using a Fisons NA-1500 elemental analyzer. For organic carbon determination samples were pre-treated with 12.5% HCl to remove carbonates. Chlorophyll a (chl a), phaeopigments (PHAEO) and chloroplastic pigment equivalents (CPE) was measured according to Schubert et al., (2005; doi:10.1029/2004GC000837) and total hydrolyzable amino acids (THAA) and single amino acid: ASP, GLU, SER, HIS, GLY, THR, ARG, ALA, TYR, MET, VAL, PHE, ILE, LEU, LYS following Dauwe et al., 1998. High-resolution ex situ sulfide and pH microprofiles, were assessed only for station MSM15/1_492_PUC1. "in mat 1, 2 and 3" refers to 3 different profiles in 3 different spots of the microbial mat, whereas "outside mat", a profile outside the microbial mat.

Subjects

DEPTH, Date Time of event, Event label, In situ monitoring of oxygen depletion in hypoxic ecosystems of coastal and open seas and land locke, Latitude of event, Longitude of event, MSM15 1, Maria S Merian, Microelectrode, Push corer, Sulfide, ex situ, pH, sediment rock, Earth System Research, Date/Time of event, DEPTH, sediment/rock, Microelectrode, ex situ, MSM15/1, Maria S. Merian, In situ monitoring of oxygen depletion in hypoxic ecosystems of coastal and open seas and land-locked water bodies (HYPOX)

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Funded by
EC| HYPOX
Project
HYPOX
In situ monitoring of oxygen depletion in hypoxic ecosystems of coastal and open seas, and land-locked water bodies
  • Funder: European Commission (EC)
  • Project Code: 226213
  • Funding stream: FP7 | SP1 | ENV
Related to Research communities
European Marine Science Marine Environmental Science : In situ monitoring of oxygen depletion in hypoxic ecosystems of coastal and open seas, and land-locked water bodies
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