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| Autores principales: | , , |
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
| Publicado: |
PANGAEA
2025
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| Materias: | |
| Acceso en línea: | https://doi.org/10.1594/PANGAEA.975119 |
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| _version_ | 1867171894421094400 |
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| author | Pape, Thomas Malnati, Janice Bohrmann, Gerhard |
| author_facet | Pape, Thomas Malnati, Janice Bohrmann, Gerhard |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Shallow sediment cores were collected with a MultiCorer at locations on the shelf and slope of South Georgia during cruise M134/1 with R/V METEOR in 2017. In order to determine distributions of methane and characterize biogeochemical zonations in the sediment, 3 mL of the sediment was removed from the cores at defined depths using cut-off syringes and transferred to 20 mL glass vials filled with 5 ml NaOH solution to generate a 12 mL headspace gas volume. The headspace gas samples were analyzed for their methane concentrations by use of a gas chromatograph equipped with a capillary column and a flame ionization detector. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_975119 |
| institution | PANGAEA |
| language | en |
| publishDate | 2025 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Methane concentrations in headspace gas prepared from shallow sediment core GeoB22062-1 collected with a multicorer off South Georgia, Southern Ocean, R/V METEOR cruise M134/1 Pape, Thomas Malnati, Janice Bohrmann, Gerhard Campaign of event; Center for Marine Environmental Sciences; Comment; DEPTH, sediment/rock; Gas chromatograph; coupled with a capillary column and a flame ionization detector; GeoB22062-1; M134/1; M134/1_171-1; MARUM; Meteor (1986); Methane; Method/Device of event; MUC; MultiCorer; Optional event label; Sample type; Site; South Atlantic Ocean Shallow sediment cores were collected with a MultiCorer at locations on the shelf and slope of South Georgia during cruise M134/1 with R/V METEOR in 2017. In order to determine distributions of methane and characterize biogeochemical zonations in the sediment, 3 mL of the sediment was removed from the cores at defined depths using cut-off syringes and transferred to 20 mL glass vials filled with 5 ml NaOH solution to generate a 12 mL headspace gas volume. The headspace gas samples were analyzed for their methane concentrations by use of a gas chromatograph equipped with a capillary column and a flame ionization detector. |
| title | Methane concentrations in headspace gas prepared from shallow sediment core GeoB22062-1 collected with a multicorer off South Georgia, Southern Ocean, R/V METEOR cruise M134/1 |
| topic | Campaign of event; Center for Marine Environmental Sciences; Comment; DEPTH, sediment/rock; Gas chromatograph; coupled with a capillary column and a flame ionization detector; GeoB22062-1; M134/1; M134/1_171-1; MARUM; Meteor (1986); Methane; Method/Device of event; MUC; MultiCorer; Optional event label; Sample type; Site; South Atlantic Ocean |
| url | https://doi.org/10.1594/PANGAEA.975119 |