Sediment phaeopigment concentrations from the Laptev Sea (Arctic Ocean) during Polarstern expedition ARK-XXVII/3 (PS80) from August-September 2012

DOI

Sampling was conducted with a TV-guided multiple corer (MUC), in order to retrieve undisturbed sediment cores. Upon retrieval of the MUC, the overlying water was carefully removed from each core and the core was cut into the following sediment horizons using a steel plate and a custom-made plastic ring: 0-1 cm, 1-5 cm, 5-10 cm. At each station, sediment samples from three replicate cores were pooled and transferred to a cooling container (0°C), where subsamples for chloroplastic pigment analyses were taken and processed directly on board.Chloroplastic pigments were extracted from 1 ml sediment with 3 x 8 ml acetone (90%), including the addition of glass beads and grinding of the samples in a cell mill according to Boetius & Damm 1998 (doi:10.1016/S0967-0637(97)00052-6). Samples were centrifuged and chlorophyll a and phaeopigment (after addition of 250 µl 25% HCl) concentrations were determined in the superanatant by fluorometric measurement with a Turner Trilogy fluorometer. Measurements were performed in triplicate for each sample.

Identifier
DOI https://doi.org/10.1594/PANGAEA.930784
Related Identifier References https://doi.org/10.3389/fmars.2022.1004959
Related Identifier References https://doi.org/10.1594/PANGAEA.895554
Related Identifier References https://doi.org/10.3389/fmars.2020.00426
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.930784
Provenance
Creator Bienhold, Christina ORCID logo; Boetius, Antje ORCID logo
Publisher PANGAEA
Publication Year 2021
Funding Reference Seventh Framework Programme https://doi.org/10.13039/100011102 Crossref Funder ID 294757 https://cordis.europa.eu/project/id/294757 Assessment of bacterial life and matter cycling in deep-sea surface sediments
Rights Creative Commons Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Representation
Resource Type Dataset
Format text/tab-separated-values
Size 59 data points
Discipline Earth System Research
Spatial Coverage (114.916W, 77.169S, 136.968E, 79.650N); Arctic Ocean; Laptev Sea
Temporal Coverage Begin 2012-08-28T21:22:00Z
Temporal Coverage End 2012-09-02T20:39:00Z