Haeckel, Matthias (2024): Porosity of sediment cores during SONNE cruises SO268/1 and SO268/2 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.971793
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Published: 2024-08-19 • DOI registered: 2024-09-18
Abstract:
This dataset comprises measurements of porosity from sediment cores (GC, MUC, ROV-operated PUC) retrieved in polymetallic nodule areas of the Clarion-Clipperton-Zone, NE Pacific. The research was carried out in the framework of the European collaborative JPI Oceans project MiningImpact onboard RV SONNE cruise SO268 in February-May 2019 to collect environmental baseline data prior to a nodule collector test in the German (BGR) and Belgian (GSR) contract areas for polymetallic nodule exploration. Wet sediment samples were subsampled in tightly closed pre-weighed plastic vessels. Water content of the samples was determined by weight difference before and after freeze-drying. Conversion to volume fraction of porewater in the sediment (porosity) assumed a water density of 1.023 g/cm3 and a dry sediment density of 2.5 g/cm3. Salt-correction assumed a salinity of 35.
Related to:
Haeckel, Matthias; Linke, Peter (2021): RV SONNE Fahrtbericht/Cruise Report SO268 - Assessing the Impacts of Nodule Mining on the Deep-sea Environment: NoduleMonitoring, Manzanillo (Mexico) - Vancouver (Canada), 17.02. - 27.05.2019. GEOMAR Report (N. Ser.), 59, 359pp+App, https://doi.org/10.3289/GEOMAR_REP_NS_59_20
Project(s):
JPI Oceans - Ecological Aspects of Deep-Sea Mining (JPIO-MiningImpact)
Coverage:
Median Latitude: 12.540484 * Median Longitude: -119.703095 * South-bound Latitude: 11.844767 * West-bound Longitude: -125.924517 * North-bound Latitude: 14.135417 * East-bound Longitude: -117.011683
Date/Time Start: 2019-02-28T15:52:24 * Date/Time End: 2019-05-16T10:39:25
Minimum DEPTH, sediment/rock: 0.0010 m * Maximum DEPTH, sediment/rock: 5.5000 m
Event(s):
SO268/1_5-1 (MUC-01) * Latitude: 11.931200 * Longitude: -117.026467 * Date/Time: 2019-02-28T15:52:24 * Elevation: -4081.5 m * Location: Clarion-Clipperton Fraction Zone, North East Pacific Ocean * Campaign: SO268/1 * Basis: Sonne_2 * Method/Device: Multicorer with television (TVMUC) * Comment: GER Trial; TV-MUC
SO268/1_16-1 (GC-01) * Latitude: 11.931050 * Longitude: -117.025617 * Date/Time: 2019-03-03T03:01:43 * Elevation: -4083.5 m * IGSN: https://doi.org/10.58031/KIEL0219GELH201 * Location: Clarion-Clipperton Fraction Zone, North East Pacific Ocean * Campaign: SO268/1 * Basis: Sonne_2 * Method/Device: Gravity corer (GC) * Comment: GER Trial; Position USBL
SO268/1_19-1 (MUC-05) * Latitude: 11.921483 * Longitude: -117.013650 * Date/Time: 2019-03-03T12:45:30 * Elevation: -4106.9 m * Location: Clarion-Clipperton Fraction Zone, North East Pacific Ocean * Campaign: SO268/1 * Basis: Sonne_2 * Method/Device: MultiCorer (MUC) * Comment: GER Trial; Position USBL
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Haeckel, Matthias | |||
| 2 | Date/Time of event | Date/Time | Haeckel, Matthias | |||
| 3 | Latitude of event | Latitude | Haeckel, Matthias | |||
| 4 | Longitude of event | Longitude | Haeckel, Matthias | |||
| 5 | DEPTH, sediment/rock | Depth sed | m | Haeckel, Matthias | Geocode | |
| 6 | Porosity, volume | Poros vol | Haeckel, Matthias | |||
| 7 | Porosity, volume | Poros vol | Haeckel, Matthias | Salt-corrected | calculated assuming a pore water density of 1.023 g/cm3, a sediment density of 2.5 g/cm3 and a salinity of 35 |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1846 data points