Magnetic susceptibility of sediment core LMAHA-18 from lake Mahasarika, northern Madagascar
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| Natura: | Dataset Open Access |
| Lingua: | en |
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PANGAEA
2024
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| _version_ | 1867170124842139648 |
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| author | Montade, Vincent Behling, Hermann Bremond, Laurent Rouland, Sylvie Daut, Gerhard Kasper, Thomas Favier, Charly |
| author_facet | Montade, Vincent Behling, Hermann Bremond, Laurent Rouland, Sylvie Daut, Gerhard Kasper, Thomas Favier, Charly |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | The datasets provided here correspond to sedimentary charcoal counts, magnetic susceptibility measurements, and δ13C isotopic measurements obtained from a lacustrine sediment core recovered from Lake Maharasika in Montagne d'Ambre (northern Madagascar, 1,073 m asl). Fieldwork has been carried out in August 2018. The sediment core LMAHA-18 was taken from the central and deepest part of the lake (7 m water depth; 12.53509S, 49.17701E). Core LMAHA-18 was sampled with a Livingstone piston sediment corer operated from a small platform settled on two rubber boats. Using sampling tubes of ca. 5 cm diameter and 120 cm length, a total of 6 sections of about 100 cm sediment length were sampled with overlaps of 10-50 cm length. Preserved in aluminium tubes for transport to the laboratory, sediment was extruded from each aluminium tube and split into two sister cores, LMAHA-18a and LMAHA-18b. Each sister core was stored under cool (4°C) and dark conditions at the laboratory facilities (LMAHA-18a at the Friedrich-Schiller-University Jena and LMAHA-18b at the University of Goettingen, Germany). For magnetic susceptibility measurements, the core was scanned in 3 mm steps with three replicate measurements using an MS2E surface scanning sensor (Bartington Instruments). |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_968795 |
| institution | PANGAEA |
| language | en |
| publishDate | 2024 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Magnetic susceptibility of sediment core LMAHA-18 from lake Mahasarika, northern Madagascar Montade, Vincent Behling, Hermann Bremond, Laurent Rouland, Sylvie Daut, Gerhard Kasper, Thomas Favier, Charly AGE; Core; CORE; DEPTH, sediment/rock; isotope; Lake sediment; LMAHA-18; macroscopic charcoal; Madagascar; Magnetic susceptibility; Magnetic susceptibility meter, Bartington Instruments Ltd., MS2E [surface scanning sensor]; Sediment core; δ13C analysis The datasets provided here correspond to sedimentary charcoal counts, magnetic susceptibility measurements, and δ13C isotopic measurements obtained from a lacustrine sediment core recovered from Lake Maharasika in Montagne d'Ambre (northern Madagascar, 1,073 m asl). Fieldwork has been carried out in August 2018. The sediment core LMAHA-18 was taken from the central and deepest part of the lake (7 m water depth; 12.53509S, 49.17701E). Core LMAHA-18 was sampled with a Livingstone piston sediment corer operated from a small platform settled on two rubber boats. Using sampling tubes of ca. 5 cm diameter and 120 cm length, a total of 6 sections of about 100 cm sediment length were sampled with overlaps of 10-50 cm length. Preserved in aluminium tubes for transport to the laboratory, sediment was extruded from each aluminium tube and split into two sister cores, LMAHA-18a and LMAHA-18b. Each sister core was stored under cool (4°C) and dark conditions at the laboratory facilities (LMAHA-18a at the Friedrich-Schiller-University Jena and LMAHA-18b at the University of Goettingen, Germany). For magnetic susceptibility measurements, the core was scanned in 3 mm steps with three replicate measurements using an MS2E surface scanning sensor (Bartington Instruments). |
| title | Magnetic susceptibility of sediment core LMAHA-18 from lake Mahasarika, northern Madagascar |
| topic | AGE; Core; CORE; DEPTH, sediment/rock; isotope; Lake sediment; LMAHA-18; macroscopic charcoal; Madagascar; Magnetic susceptibility; Magnetic susceptibility meter, Bartington Instruments Ltd., MS2E [surface scanning sensor]; Sediment core; δ13C analysis |
| url | https://doi.org/10.1594/PANGAEA.968795 |