Pore water geochemistry of Håkon Mosby mud volcano sediments measured at station PS74/169-1_PUC-15 (Z1-S1, new flow surface)


Autoria(s): Felden, Janine; Boetius, Antje
Cobertura

LATITUDE: 72.005000 * LONGITUDE: 14.726402 * DATE/TIME START: 2009-07-23T18:22:43 * DATE/TIME END: 2009-07-23T18:22:43 * MINIMUM DEPTH, sediment/rock: 0.005 m * MAXIMUM DEPTH, sediment/rock: 0.110 m

Data(s)

29/04/2013

Formato

text/tab-separated-values, 74 data points

Identificador

https://doi.pangaea.de/10.1594/PANGAEA.810919

Idioma(s)

en

Publicador

PANGAEA

Direitos

Access constraints: access rights needed

Fonte

Max-Planck-Institut für Marine Mikrobiologie

Palavras-Chave #Alkalinity, total; Ammonium; ARK-XXIV/2; Carbon, inorganic, dissolved; DEPTH, sediment/rock; ESONET; European Seafloor Observatory Network; Flow injection analysis (Hall and Aller 1992); Håkon Mosby Mud Volcano; HERMIONE; Hotspot Ecosystem Research and Mans Impact On European Seas; Ion chromatography; Phosphate; Photometer, methylene blue (Cline 1969); Polarstern; PS74; PS74/169-1_PUC-15; PUC; Push corer; Seawater analysis after Grasshoff et al., 1983 (Verlag Chemie GmbH Weinheim); Silicate; Sulfate; Sulfide; Two-point titration (Edmond 1970)
Tipo

Dataset

Resumo

Pore water and turnover rates were determined for surface sediment cores obtained in 2009 and 2010. The pore water was extracted with Rhizons (Rhizon CSS: length 5 cm, pore diameter 0.15 µm; Rhizosphere Research Products, Wageningen, Netherlands) in 1 cm-resolution and immediately fixed in 5% zinc acetate (ZnAc) solution for sulfate, and sulfide analyses. The samples were diluted, filtered and the concentrations measured with non-suppressed anion exchange chromatography (Waters IC-Pak anion exchange column, waters 430 conductivity detector). The total sulfide concentrations (H2S + HS- + S**2-) were determined using the diamine complexation method (doi:10.4319/lo.1969.14.3.0454). Samples for dissolved inorganic carbon (DIC) and alkalinity measurements were preserved by adding 2 µl saturated mercury chloride (HgCl2) solution and stored headspace-free in gas-tight glass vials. DIC and alkalinity were measured using the flow injection method (detector VWR scientific model 1054) (doi:10.4319/lo.1992.37.5.1113). Dissolved sulfide was eliminated prior to the DIC measurement by adding 0.5 M molybdate solution (doi:10.4319/lo.1995.40.5.1011). Nutrient subsamples (10 - 15 ml) were stored at - 20 °C prior to concentration measurements with a Skalar Continuous-Flow Analyzer (doi:10.1002/9783527613984).

Relação

doi:10.1594/PANGAEA.861266

Ruff, S Emil; Felden, Janine; Gruber-Vodicka, Harald R; Marcon, Yann; Knittel, Katrin; Ramette, Alban; Boetius, Antje (2016): Disturbance and recovery of deep-sea methanotrophic communities.