Gray value determination from sediment core of Lake Alchichica in Mexico
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| Autori principali: | , , , , , , , , , |
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| Natura: | Dataset Open Access |
| Lingua: | en |
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PANGAEA
2026
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| _version_ | 1867168237260636160 |
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| author | Safaierad, Reza Israde-Alcántara, Isabel Rantala, Marttiina V Domínguez-Vázquez, Gabriela Schefuß, Enno Tylmann, Wojciech Francus, Pierre Mattielli, Nadine Metcalfe, Sarah Fagel, Nathalie |
| author_facet | Safaierad, Reza Israde-Alcántara, Isabel Rantala, Marttiina V Domínguez-Vázquez, Gabriela Schefuß, Enno Tylmann, Wojciech Francus, Pierre Mattielli, Nadine Metcalfe, Sarah Fagel, Nathalie |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | The grey values were measured from a 57-cm-long sediment core retrieved from Lake Alchichica (19° 24' 38 N, 97° 24' 14 W, 2322 masl) at a water depth of ~ 60 m using a Uwitec® coring device equipped with a 9-cm coring tube. The core structure was revealed by a Siemens Somatom Definition +128 CT-scanner at the INRS Centre Eau Terre Environnement with a 0.31 mm resolution in the stratigraphic direction. Grey levels are expressed in Hounsfield units (HU): light (dark) grey levels represent dense (light) sediments. The analysis was performed at the INRS Centre Eau Terre Environnement in Canada. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_982951 |
| institution | PANGAEA |
| language | en |
| publishDate | 2026 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Gray value determination from sediment core of Lake Alchichica in Mexico Safaierad, Reza Israde-Alcántara, Isabel Rantala, Marttiina V Domínguez-Vázquez, Gabriela Schefuß, Enno Tylmann, Wojciech Francus, Pierre Mattielli, Nadine Metcalfe, Sarah Fagel, Nathalie carbon isotope; DEPTH, sediment/rock; Deuterium Isotopes; Grey value; Lake_Alchichica; leaf waxes; Mexico; oxygen isotope; Pollen; Sediment core; Sediment corer, UWITEC; XRD; XRF core scanner data The grey values were measured from a 57-cm-long sediment core retrieved from Lake Alchichica (19° 24' 38 N, 97° 24' 14 W, 2322 masl) at a water depth of ~ 60 m using a Uwitec® coring device equipped with a 9-cm coring tube. The core structure was revealed by a Siemens Somatom Definition +128 CT-scanner at the INRS Centre Eau Terre Environnement with a 0.31 mm resolution in the stratigraphic direction. Grey levels are expressed in Hounsfield units (HU): light (dark) grey levels represent dense (light) sediments. The analysis was performed at the INRS Centre Eau Terre Environnement in Canada. |
| title | Gray value determination from sediment core of Lake Alchichica in Mexico |
| topic | carbon isotope; DEPTH, sediment/rock; Deuterium Isotopes; Grey value; Lake_Alchichica; leaf waxes; Mexico; oxygen isotope; Pollen; Sediment core; Sediment corer, UWITEC; XRD; XRF core scanner data |
| url | https://doi.org/10.1594/PANGAEA.982951 |