Branched glycerol dialkyl glycerol tetraethers (brGDGTs) analysis of the Lago Grande di Monticchio (Italy)
Fuente:
PANGAEA
Enregistré dans:
| Auteurs principaux: | , , , , , , , , , , , , , , , , |
|---|---|
| Format: | Dataset Open Access |
| Langue: | en |
| Publié: |
PANGAEA
2026
|
| Sujets: | |
| Accès en ligne: | |
| Tags: |
Ajouter un tag
Pas de tags, Soyez le premier à ajouter un tag!
|
| _version_ | 1867168242269683712 |
|---|---|
| author | d'Oliveira, Léa Maignan, Adrien Peyron, Odile Joannin, Sébastien Combourieu-Nebout, Nathalie Genet, Marion Lestienne, Marion Dugerdil, Lucas Fernandez, Giada Giaccio, Biagio Monaco, Lorenzo Nomade, Sébastien Pereira, Alison Scao, Vincent Regnier, Edouard Balasse, Marie Ménot, Guillemette |
| author_facet | d'Oliveira, Léa Maignan, Adrien Peyron, Odile Joannin, Sébastien Combourieu-Nebout, Nathalie Genet, Marion Lestienne, Marion Dugerdil, Lucas Fernandez, Giada Giaccio, Biagio Monaco, Lorenzo Nomade, Sébastien Pereira, Alison Scao, Vincent Regnier, Edouard Balasse, Marie Ménot, Guillemette |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | This dataset contains the concentration and relative abundance of branched glycerol dialkyl glycerol tetraethers (brGDGTs) components, along with Methylation of Branched Tetraethers (MBT'5Me), Cyclisation of Branched Tetraethers (CBT'), isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers (IR6Me) and Isoprenoid acyclic glycerol dialkyl glycerol tetraether/Crenarchaeol ratio (isoGDGT-0/Cren), for the sedimentary record of Lago Grande di Monticchio (Italy) covering the last 12,900 years. The analysis was performed by a double microwave extraction at 70°C with dichloromethane (DCM)-methanol (MeOH) mixture (3:1, v/v), filtered on a solid-phase extraction (SPE) cartridge and then separated into polar and apolar fractions on a silica column with a hexane-DCM (1:1, v/v) and DMC-MeOH (1:1, v/v) mixtures, respectively. Samples were then analysed by high-performance liquid chromatography with mass spectrometry (HPLC-MS) in hexane-propanol (98.2:0.2, v/v). Ions in selected ion monitoring (SIM) are detected for mass-to-change ratios according to Hopmans et al. (2016, doi: 10.1016/j.orggeochem.2015.12.006). The data table also contains the quantitative climate reconstructions inferred from brGDGTs (mean annual temperature and mean temperature of months above freezing) from four different calibrations (linear and multiple regression and Bayesian calibration; Martínez-Sosa and Tierney, 2019; Raberg et al. 2021; De Jonge et al. 2014; Bauersachs et al. 2024), and the pH reconstruction based on the calibration of Russel et al. (2018). |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_989981 |
| institution | PANGAEA |
| language | en |
| publishDate | 2026 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Branched glycerol dialkyl glycerol tetraethers (brGDGTs) analysis of the Lago Grande di Monticchio (Italy) d'Oliveira, Léa Maignan, Adrien Peyron, Odile Joannin, Sébastien Combourieu-Nebout, Nathalie Genet, Marion Lestienne, Marion Dugerdil, Lucas Fernandez, Giada Giaccio, Biagio Monaco, Lorenzo Nomade, Sébastien Pereira, Alison Scao, Vincent Regnier, Edouard Balasse, Marie Ménot, Guillemette 5-methyl branched glycerol dialkyl glycerol tetraether, Ia, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, Ib, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, Ic, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIa, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIb, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIc, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIIa, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIIb, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIIc, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIa, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIb, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIc, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIIa, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIIb, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIa, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIb, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIc, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIIa, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIIb, relative abundance; Age, tephra-chronostratigraphy; Branched glycerol dialkyl glycerol tetraether; brGDGTs; Calculated according to Bauersachs et al. (2024); Calculated according to Blaga et al. (2009); Calculated according to De Jonge et al. (2014a); Calculated according to De Jonge et al. (2014b); Calculated according to Martínez-Sosa and Tierney (2019); Calculated according to Raberg et al. (2021); Calculated according to Russel et al. (2018); Calendar age; Cyclization ratio of branched tetraethers prime; DEPTH, sediment/rock; Drilling/coring; High Performance Liquid Chromatography - Mass spectrometry (HPLC-MS); Holocene; Isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers; Isoprenoid acyclic glycerol dialkyl glycerol tetraether/Crenarchaeol ratio; Italy; Lago Grande di Monticchio, Italy; Methylation index of 5-methyl branched tetraethers; MONTI23-II; Paleoclimate reconstructions; pH; Pollen; Sample ID; Temperature, air, annual mean; Temperature, air, mean of months, above freezing This dataset contains the concentration and relative abundance of branched glycerol dialkyl glycerol tetraethers (brGDGTs) components, along with Methylation of Branched Tetraethers (MBT'5Me), Cyclisation of Branched Tetraethers (CBT'), isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers (IR6Me) and Isoprenoid acyclic glycerol dialkyl glycerol tetraether/Crenarchaeol ratio (isoGDGT-0/Cren), for the sedimentary record of Lago Grande di Monticchio (Italy) covering the last 12,900 years. The analysis was performed by a double microwave extraction at 70°C with dichloromethane (DCM)-methanol (MeOH) mixture (3:1, v/v), filtered on a solid-phase extraction (SPE) cartridge and then separated into polar and apolar fractions on a silica column with a hexane-DCM (1:1, v/v) and DMC-MeOH (1:1, v/v) mixtures, respectively. Samples were then analysed by high-performance liquid chromatography with mass spectrometry (HPLC-MS) in hexane-propanol (98.2:0.2, v/v). Ions in selected ion monitoring (SIM) are detected for mass-to-change ratios according to Hopmans et al. (2016, doi: 10.1016/j.orggeochem.2015.12.006). The data table also contains the quantitative climate reconstructions inferred from brGDGTs (mean annual temperature and mean temperature of months above freezing) from four different calibrations (linear and multiple regression and Bayesian calibration; Martínez-Sosa and Tierney, 2019; Raberg et al. 2021; De Jonge et al. 2014; Bauersachs et al. 2024), and the pH reconstruction based on the calibration of Russel et al. (2018). |
| title | Branched glycerol dialkyl glycerol tetraethers (brGDGTs) analysis of the Lago Grande di Monticchio (Italy) |
| topic | 5-methyl branched glycerol dialkyl glycerol tetraether, Ia, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, Ib, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, Ic, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIa, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIb, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIc, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIIa, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIIb, relative abundance; 5-methyl branched glycerol dialkyl glycerol tetraether, IIIc, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIa, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIb, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIc, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIIa, relative abundance; 6-methyl branched glycerol dialkyl glycerol tetraether, IIIb, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIa, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIb, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIc, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIIa, relative abundance; 7-methyl branched glycerol dialkyl glycerol tetraether, IIIb, relative abundance; Age, tephra-chronostratigraphy; Branched glycerol dialkyl glycerol tetraether; brGDGTs; Calculated according to Bauersachs et al. (2024); Calculated according to Blaga et al. (2009); Calculated according to De Jonge et al. (2014a); Calculated according to De Jonge et al. (2014b); Calculated according to Martínez-Sosa and Tierney (2019); Calculated according to Raberg et al. (2021); Calculated according to Russel et al. (2018); Calendar age; Cyclization ratio of branched tetraethers prime; DEPTH, sediment/rock; Drilling/coring; High Performance Liquid Chromatography - Mass spectrometry (HPLC-MS); Holocene; Isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers; Isoprenoid acyclic glycerol dialkyl glycerol tetraether/Crenarchaeol ratio; Italy; Lago Grande di Monticchio, Italy; Methylation index of 5-methyl branched tetraethers; MONTI23-II; Paleoclimate reconstructions; pH; Pollen; Sample ID; Temperature, air, annual mean; Temperature, air, mean of months, above freezing |
| url | https://doi.org/10.1594/PANGAEA.989981 |