PANGAEA_944098
Pore-water nutrients, cations and DIC for sediment core SO268/2_198-1 (MUC-38) at a disturbed site after a small-scale dredge experiment during RV SONNE cruise SO268/2 in the CCZ, Pacific Ocean
Volz, Jessica B; Lange, Mirko; Koehler, Dennis; Geibert, Walter; Stimac, Ingrid; Kasten, Sabine
Pore-water nutrients, cations and DIC for sediment core SO268/2_198-1 (MUC-38) at a disturbed site after a small-scale dredge experiment during RV SONNE cruise SO268/2 in the CCZ, Pacific Ocean
2026-02-28
PANGAEA
Dataset
https://doi.pangaea.de/10.1594/PANGAEA.944098
Investigator
Jessica B
Volz
jessica.volz@awi.de
Earth Science
Station label
Area/locality
Core
DEPTH, sediment/rock
Aluminium
Aluminium, error
Arsenic
Barium
Calcium
Calcium, error
Copper
Iron
Potassium
Potassium, error
Magnesium
Magnesium, error
Manganese
Phosphorus
Phosphorus, error
Silicon
Silicon, error
Strontium
Strontium, error
Carbon, inorganic, dissolved
Carbon, inorganic, dissolved, error, relative
Nitrate
Nitrate, error, relative
Nitrite
Nitrite, error, relative
Ammonium
Ammonium, error, relative
Silicate
Silicate, error, relative
Phosphate
Phosphate, error, relative
geoscientificInformation
Anthropogenic disturbances
Clarion Clipperton Fracture Zone
deep sea mining
deep sea sediment
Geochemical data
MUC-38
Multicorer with television
SO268/2
SO268/2_198-1
ICP-AES, Thermo Scientific, iCAP 7400
SEAL Analytical, continuous flow analyser QuAAtro
Sonne_2
2019-05-15
2019-05-15
Complete
11.86271667
11.86271667
-117.0119167
-117.0119167
0.0 m (DEPTH, sediment/rock)
0.16 m (DEPTH, sediment/rock)
JPIO-MiningImpact
JPI Oceans - Ecological Aspects of Deep-Sea Mining
AWI_MarGeoChem
Marine Geochemistry @ AWI
unrestricted
CC-BY-4.0: Creative Commons Attribution 4.0 International
English
PANGAEA
Data Publisher for Earth & Environmental Science
https://www.pangaea.de/
Data Center Contact
Michael
Diepenbroek
info@pangaea.de
Leobener Str.
Bremen
Bremen
28359
Germany
online
457 data points
text/tab-separated-values
This dataset comprises downcore measurements of pore-water nutrients, cations and DIC for sediment cores (MUC) retrieved from disturbed sites after a small-scale dredge experiment in the framework of the European collaborative JPI Oceans MiningImpact project onboard R/V SONNE cruise SO268 in 2019. The scientific work during cruise SO268 was part of the second phase of the MiningImpact project (Environmental impacts and risks of deep-sea mining) and is designed to assess the environmental impacts of deep-sea mining of polymetallic nodules in the Clarion-Clipperton Zone (CCZ) in the Pacific Ocean. The pore water was extracted onboard by rhizon sampling. Pore-water nutrient concentrations (nitrate, nitrite, ammonium, silicic acid, phosphate) were analyzed onboard on freshly extracted pore water upon 3-fold dilution or undiluted (ammonium) using a QuAAtro continous segmented flow analyzer (Seal Analytical). Major and minor elements were determined on acidified samples (25 µL double sub-boiling distilled concentrated HCl per 1 mL sample) using ICP-AES (iCAP 7400, Thermo Scientific) and DIC was determined on HgCl2-treated pore-water samples using a QuAAtro continous segmented flow analyzer (Seal Analytical) at the Marine Geochemistry Lab, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.944098"!
https://miningimpact.geomar.de
JPIO-MiningImpact
https://uol.de/icbm/forschungsplattformen-schiffe/sonne
Sonne_2
https://www.awi.de/en/science/geosciences/marine-geochemistry.html
AWI_MarGeoChem
PANGAEA_954917
DIF
9.4
2026-02-28
2026-07-15