Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Laboratoire G-Time, Université libre de Bruxelles https://ror.org/01r9htc13 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 Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Argiles, Géochimie et Environnement sédimentaires , University of Liège AGEs https://ror.org/00afp2z80 Mattielli Nadine Nadine.Mattielli@ulb.be 0000-0002-7170-1520 Laboratoire G-Time, Université libre de Bruxelles https://ror.org/01r9htc13 Tylmann Wojciech wojciech.tylmann@ug.edu.pl 0000-0003-1749-5882 Department of Geomorphology and Quaternary Geology, University of Gdańsk UG https://ug.edu.pl https://ror.org/011dv8m48 Smol John P smolj@queensu.ca 0000-0002-2499-6696 Paleoecological Environmental Assessment and Research Laboratory, Queen's University http://www.queensu.ca/ https://ror.org/02y72wh86 Grooms Christopher groomsc@queensu.ca Paleoecological Environmental Assessment and Research Laboratory, Queen's University http://www.queensu.ca/ https://ror.org/02y72wh86 Lepoint Gilles g.lepoint@uliege.be 0000-0003-4375-0357 Laboratoire d'Ecologie Trophique et Isotopique, Université de Liège 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 Geotop https://www.geotop.ca https://ror.org/04qjh6n03 Metcalfe Sarah School of Geography, University of Nottingham https://ror.org/01ee9ar58 Etmański Paweł Department of Geomorphology and Quaternary Geology, University of Gdańsk UG https://ug.edu.pl https://ror.org/011dv8m48 Fagel Nathalie nathalie.fagel@uliege.be 0000-0002-8231-8295 Argiles, Géochimie et Environnement sédimentaires , University of Liège AGEs https://ror.org/00afp2z80 2026 Downcore sediment biogeochemical and physical data from Lake Alchichica (Puebla, Mexico) dataset https://doi.org/10.1594/PANGAEA.990132 2026-06-05T13:55:13 Multiproxy biogeochemical and physical data of sediment core LAc22-1 retrieved from Lake Alchichica in April 2022. Measurements (elemental and isotope biogeochemistry, visible range spectroscopy, loss on ignition) were performed on discrete sediment samples and extend back to the late 1800s. Ages were estimated using Pb-210 dating and Bayesian age-depth modeling. Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Israde-Alcántara Isabel isabelisrade@gmail.com Safaierad Reza safaierad.reza@gmail.com 0000-0002-8295-2560 Mattielli Nadine Nadine.Mattielli@ulb.be 0000-0002-7170-1520 Tylmann Wojciech wojciech.tylmann@ug.edu.pl 0000-0003-1749-5882 Smol John P smolj@queensu.ca 0000-0002-2499-6696 Grooms Christopher groomsc@queensu.ca Lepoint Gilles g.lepoint@uliege.be 0000-0003-4375-0357 Francus Pierre pierre.francus@inrs.ca 0000-0001-5465-1966 Metcalfe Sarah Etmański Paweł Fagel Nathalie nathalie.fagel@uliege.be 0000-0002-8231-8295 2026 Increasing lake primary production and organic carbon sequestration in tropical Mexican lakes during the past century journal article CATENA 273 https://doi.org/10.1016/j.catena.2026.110448 110448 Aquino-Lopez Marco A 0000-0002-5076-7205 Blaauw Maarten maarten.blaauw@qub.ac.uk http://chrono.qub.ac.uk/blaauw/ 0000-0002-5680-1515 Christen Andrés 0000-0002-5795-4345 Sanderson Nicole K 0000-0002-2225-8446 2018 Bayesian Analysis of 210Pb Dating journal article Journal of Agricultural Biological and Environmental Statistics 23(3) https://doi.org/10.1007/s13253-018-0328-7 317-333 Heiri Oliver oliver.heiri@unibas.ch http://www.bio.uu.nl/~palaeo/people/Olivier/index.html 0000-0002-3957-5835 Lotter André F a.f.lotter@uu.nl http://www.bio.uu.nl/~palaeo/people/Andy/index.html Lemcke G 2001 Loss on ignition as a method for estimating organic and carbonate content in sediments: reproducibility and comparability of results journal article Journal of Paleolimnology 25(1) https://doi.org/10.1023/A:1008119611481 101-110 Zhang Fule 0000-0001-8341-9971 Wang Jinlong Baskaran Mark 0000-0002-2218-4328 Zhong Qiangqiang Wang Yali Paatero Jussi 0000-0002-3262-1501 Du Jinzhou jzdu@sklec.ecnu.edu.cn 2021 A global dataset of atmospheric 7Be and 210Pb measurements: annual air concentration and depositional flux journal article Earth System Science Data 13(6) https://doi.org/10.5194/essd-13-2963-2021 2963-2994 -97.403889 -97.403889 19.410556 19.410556 -97.403889 19.410556 2022-04-12T00:00:00 2022-04-12T00:00:00 0.0025 0.1425 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) LAc22-1 19.410556 -97.403889 Lake Alchichica, Puebla, Mexico 2322.0 2022-04-12T00:00:00 Sediment corer, UWITEC 423 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 Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Middle depth of sediment section. Depth sed [m] (Middle depth of sediment sect...) Depth, sediment/rock, top/minimum Depth sed top m depth http://purl.obolibrary.org/obo/PATO_0001595 sediment http://purl.obolibrary.org/obo/ENVO_00002007 rock http://purl.obolibrary.org/obo/ENVO_00001995 minimum Length L http://dbpedia.org/resource/Length Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Top depth of sediment section. Depth sed top [m] (Top depth of sediment section.) Depth, sediment/rock, bottom/maximum Depth sed bot m depth http://purl.obolibrary.org/obo/PATO_0001595 sediment http://purl.obolibrary.org/obo/ENVO_00002007 rock http://purl.obolibrary.org/obo/ENVO_00001995 maximum Length L http://dbpedia.org/resource/Length Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Bottom depth of sediment section. Depth sed bot [m] (Bottom depth of sediment sect...) Age Age a AD/CE age http://purl.obolibrary.org/obo/PATO_0000011 Time T http://dbpedia.org/resource/Time Bayesian age model, according to Aquino-López et al. (2018) https://doi.org/10.1007/s13253-018-0328-7 Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Mean age for middle depth of sediment section, Plum version 0.5.1 by Aquino-López et al. (2018 , doi:10.1007/s13253-018-0328-7). Age [a AD/CE] (Mean age for middle depth of ...) 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 Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Age [ka BP] Organic matter OM % organic matter https://en.wikipedia.org/wiki/Organic_matter Dimensionless Ratio ψ Determined by loss on ignition at 550 °C, according to Heiri et al. (2010) https://doi.org/10.1023/A:1008119611481 Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 OM [%] (Determined by loss on ignitio...) Carbonates Carb % carbonates http://purl.obolibrary.org/obo/CHEBI_23016 Dimensionless Ratio ψ Determined by loss on ignition at 950 °C, according to Heiri et al. (2010) https://doi.org/10.1023/A:1008119611481 Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Carb [%] (Determined by loss on ignitio...) Density, dry bulk DBD g/cm**3 Density http://dbpedia.org/resource/Density Calculated, see Comment Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Mass of dry sediment divided by wet sediment volume (1 cm³). DBD [g/cm**3] (Mass of dry sediment divided ...) Sedimentation rate per year SR cm/a sedimentation rate year Linear Velocity http://dbpedia.org/resource/Velocity Calculated, see Comment Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Sediment section thickness divided by elapsed time. SR [cm/a] (Sediment section thickness di...) Accumulation rate, mass, per year MAR g/cm**2/a year Mass Accumulation Rate/Flux Calculated, see Comment Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Dry bulk density multiplied by sediment accumulation rate. MAR [g/cm**2/a] (Dry bulk density multiplied b...) Accumulation rate, mass, carbon, organic, total MAR TOC g/m**2/a Accumulation Rate Mass M http://dbpedia.org/resource/Mass carbon C https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:27594 organic total https://www.oxforddictionaries.com/definition/american_english/total Mass Accumulation Rate/Flux Calculated, see Comment Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Sediment organic carbon content multiplied by mass accumulation rate. MAR TOC [g/m**2/a] (Sediment organic carbon conte...) Accumulation rate, mass, carbon, organic, total MAR TOC g/m**2/a Accumulation Rate Mass M http://dbpedia.org/resource/Mass carbon C https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:27594 organic total https://www.oxforddictionaries.com/definition/american_english/total Mass Accumulation Rate/Flux Calculated, see Comment Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Sediment organic carbon content multiplied by mass accumulation rate. Values corrected for sediment focusing based on measured unsupported 210Pb flux in the sediment core and atmospheric 210Pb flux estimated based on mean annual precipitation and Zhang et al. (2021, doi:10.5194/essd-13-2963-2021) equations for latitudinal bands 10-20°N and 20-30°N. MAR TOC [g/m**2/a] (Sediment organic carbon conte...) Carbon, organic, total TOC % carbon C https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:27594 organic total https://www.oxforddictionaries.com/definition/american_english/total Dimensionless Ratio ψ Elemental analyzer (EA), Elementar, vario MICRO cube Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 TOC [%] (Elemental analyzer (EA), Elem...) Nitrogen, total TN % nitrogen N https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:25555 total https://www.oxforddictionaries.com/definition/american_english/total Dimensionless Ratio ψ Elemental analyzer (EA), Elementar, vario MICRO cube Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 TN [%] (Elemental analyzer (EA), Elem...) δ13C δ13C ‰ δ13C http://en.wikipedia.org/wiki/List_of_elements_by_stability_of_isotopes Isotope ratio mass spectrometer (IRMS), Elementar, isoprime precisION Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Values from acidified samples. δ13C [‰] (Values from acidified samples...) δ15N δ15N ‰ δ15N http://en.wikipedia.org/wiki/List_of_elements_by_stability_of_isotopes Isotope ratio mass spectrometer (IRMS), Elementar, isoprime precisION Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Values from nonacidified samples. δ15N [‰] (Values from nonacidified samp...) Carbon/Nitrogen ratio C/N mol/mol carbon C https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:27594 nitrogen N https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:25555 ratio Elemental analyzer (EA), Elementar, vario MICRO cube Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Calculated based on values from acidified samples for both elements, mass ratio multiplied by 1.167. C/N [mol/mol] (Calculated based on values fr...) Chlorophyll a, per dry mass Chl a/dm mg/g chlorophyll a http://purl.obolibrary.org/obo/CHEBI_18230 dry mass https://en.wikipedia.org/wiki/Dry_matter Visible-near infrared spectroscopy, Foss NIRsystems, Model 6500 Rapid Content Analyzer Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Chl a/dm [mg/g] (Visible-near infrared spectro...) Chlorophyll a, z-score Chl a z chlorophyll a http://purl.obolibrary.org/obo/CHEBI_18230 Visible-near infrared spectroscopy, Foss NIRsystems, Model 6500 Rapid Content Analyzer Rantala Marttiina V marttiina.rantala@gmail.com 0000-0002-3231-5926 Initial values z-score transformed. Chl a z (Initial values z-score transf...) CurationLevelC Enhanced curation https://wiki.pangaea.de/wiki/Curation_levels citable Anthropocene biogeochemistry Carbon accumulation crater lake Lake sediment Mexico Primary production Tropical author10582 author107725 author107726 author108917 author108918 author108919 author108920 author108956 author23874 author27723 author30088 author30354 author36061 author43940 author44587 author52928 author58066 author64066 author65532 author65718 author71599 author75901 author79145 author81253 author92447 author963 award4031 curlevel30 event3348702 funder20934 geocode1 geocode1599 geocode1600 geocode1601 geocode2205 geocode8128 inst22165 inst22166 inst22167 inst22169 inst22170 inst22562 inst22563 inst22564 inst22565 journal16590 journal3170 journal8009 journal9432 license21 method15952 method17187 method17410 method18677 method18678 method18679 method18680 method9934 param171883 param1870 param22 param2827 param2936 param508329 param510589 param518755 param518756 param520065 param527683 param535993 param553440 param67 param73 param8552 pi65532 ref108325 ref131005 ref131036 ref137657 term1073089 term1073092 term1073130 term1073131 term1073132 term1073135 term1073578 term1073594 term2663825 term38253 term38263 term38477 term38492 term38525 term38548 term38564 term38856 term41019 term41056 term41076 term43398 term43792 term43794 term43863 term43876 term43892 term43975 term44027 term44028 term44419 term47694 term48456 term51143 term53704 term73307 term73518 term75745 term77107 topotype3