Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Argiles, Géochimie et Environnement sédimentaires , University of Liège AGEs https://ror.org/00afp2z80 Israde-Alcántara Isabel isabelisrade@gmail.com Instituto de Investigaciones en Ciencias de la Tierra, Universidad Michoacana de San Nicolás de Hidalgo INICIT https://ror.org/00z0kq074 Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Argiles, Géochimie et Environnement sédimentaires , University of Liège AGEs https://ror.org/00afp2z80 Laboratoire G-Time, Université libre de Bruxelles https://ror.org/01r9htc13 Domínguez-Vázquez Gabriela Instituto de Investigaciones en Ciencias de la Tierra, Universidad Michoacana de San Nicolás de Hidalgo INICIT https://ror.org/00z0kq074 Schefuß Enno eschefuss@marum.de 0000-0002-5960-930X MARUM - Center for Marine Environmental Sciences, University Bremen MARUM http://www.marum.de/ https://ror.org/04ers2y35 Tylmann Wojciech wojciech.tylmann@ug.edu.pl 0000-0003-1749-5882 University of Gdańsk http://en.ug.edu.pl/ https://ror.org/011dv8m48 Francus Pierre pierre.francus@inrs.ca 0000-0001-5465-1966 National Institute of Scientific Research, Centre Eau Terre Environnement, Institut National de la Recherche Scientifique https://ror.org/04td37d32 Mattielli Nadine Nadine.Mattielli@ulb.be 0000-0002-7170-1520 Laboratoire G-Time, Université libre de Bruxelles https://ror.org/01r9htc13 Metcalfe Sarah School of Geography, University of Nottingham https://ror.org/01ee9ar58 Fagel Nathalie nathalie.fagel@uliege.be 0000-0002-8231-8295 Argiles, Géochimie et Environnement sédimentaires , University of Liège AGEs https://ror.org/00afp2z80 2026 δ18O and δ13C from sediment core of Lake Alchichica in Mexico dataset https://doi.org/10.1594/PANGAEA.982934 2026-01-23T10:10:30 The proxy data are measured from a 57-cm long sediment core collected 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 was split lengthwise, analyzed using XRF core scanning, and subsampled. A Bayesian chronology was created using 210Pb data and three 14C dates. For stable isotope geochemistry (δ¹⁸O and δ¹³C) of bulk sediments, samples collected at 1 cm intervals were analyzed at MARUM, University of Bremen, using a Finnigan MAT252 mass spectrometer with a Kiel III carbonate preparation device. Results are reported in delta notation (δ) relative to VPDB. Calibration involved a house standard (Solnhofen limestone) referenced to NBS 19 calcite, with standard deviations of 0.06‰ for both δ¹³C and δ¹⁸O. Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Israde-Alcántara Isabel isabelisrade@gmail.com Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Domínguez-Vázquez Gabriela Mohtadi Mahyar mmohtadi@marum.de 0000-0003-3306-0969 Schefuß Enno eschefuss@marum.de 0000-0002-5960-930X Tylmann Wojciech wojciech.tylmann@ug.edu.pl 0000-0003-1749-5882 Francus Pierre pierre.francus@inrs.ca 0000-0001-5465-1966 Mattielli Nadine Nadine.Mattielli@ulb.be 0000-0002-7170-1520 Metcalfe Sarah Fagel Nathalie nathalie.fagel@uliege.be 0000-0002-8231-8295 2025 Late Holocene hydroclimate variability and human–environment interactions in the Cuenca Oriental, Mexico: multiproxy evidence from Lake Alchichica journal article Quaternary Science Reviews 369 https://doi.org/10.1016/j.quascirev.2025.109618 109618 -97.4389 -97.4389 19.5056 19.5056 -97.4389 19.5056 0.005 0.57 vertical profile Fonds de la Recherche Scientifique FNRS https://doi.org/10.13039/501100002661 PDR T.0079.21 Holocene Mexican Crater Lakes and Climate (HolMeCl) Lake_Alchichica 19.5056 -97.4389 2322.0 Sediment corer, UWITEC 60 m 0.57 m Uwitec® coring device equipped with a 9-cm coring tube. 228 CC-BY-4.0 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ DEPTH, sediment/rock Depth sed m depth http://purl.obolibrary.org/obo/PATO_0001595 sediment http://purl.obolibrary.org/obo/ENVO_00002007 rock Length L http://dbpedia.org/resource/Length Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Depth sed [m] AGE Age ka BP http://en.wikipedia.org/wiki/Kyr age http://purl.obolibrary.org/obo/PATO_0000011 Time T http://dbpedia.org/resource/Time Age, Bayesian based model Plum on Pb-210 and C-14 data https://doi.org/10.1007/s13253-018-0328-7 Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Age [ka BP] δ18O δ18O ‰ δ18O http://en.wikipedia.org/wiki/List_of_elements_by_stability_of_isotopes Mass spectrometer, Finnigan, MAT 252 Chromatographs & spectrometers mass spectrometers http://vocab.nerc.ac.uk/collection/L05/current/LAB16/ Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Relative to VPDB δ18O [‰] δ18O, standard deviation δ18O std dev ± δ18O http://en.wikipedia.org/wiki/List_of_elements_by_stability_of_isotopes standard deviation std dev https://en.wikipedia.org/wiki/Standard_deviation Mass spectrometer, Finnigan, MAT 252 Chromatographs & spectrometers mass spectrometers http://vocab.nerc.ac.uk/collection/L05/current/LAB16/ Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Relative to VPDB δ18O std dev [±] δ13C δ13C ‰ PDB δ13C http://en.wikipedia.org/wiki/List_of_elements_by_stability_of_isotopes Mass spectrometer, Finnigan, MAT 252 Chromatographs & spectrometers mass spectrometers http://vocab.nerc.ac.uk/collection/L05/current/LAB16/ Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Relative to VPDB δ13C [‰ PDB] δ13C, standard deviation δ13C std dev ± δ13C http://en.wikipedia.org/wiki/List_of_elements_by_stability_of_isotopes standard deviation std dev https://en.wikipedia.org/wiki/Standard_deviation Mass spectrometer, Finnigan, MAT 252 Chromatographs & spectrometers mass spectrometers http://vocab.nerc.ac.uk/collection/L05/current/LAB16/ Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Relative to VPDB δ13C std dev [±] CurationLevelC Enhanced curation https://wiki.pangaea.de/wiki/Curation_levels citable carbon isotope Deuterium Isotopes leaf waxes Mexico oxygen isotope Pollen Sediment core XRD XRF core scanner data author107725 author111272 author22432 author26232 author27723 author30354 author52928 author65532 author65718 author75901 author963 award4031 curlevel30 event3263757 funder20934 geocode1 geocode1600 geocode1601 geocode2205 geocode8128 inst21233 inst22165 inst22166 inst22167 inst22169 inst22170 inst277 journal13626 license21 method17187 method17390 method222 param1586 param16481 param16482 param17863 pi75901 ref133711 term1073089 term1073093 term1073131 term1073135 term2299515 term360 term37764 term38263 term41056 term43863 term43975 term49699 term49835 term49912 term52241 term53704 term61079 term68027 term71372 term75701 topotype3