Showing 561 - 580 results of 902 for search '"radiocarbon dating"', query time: 0.10s Refine Results
  1. 561

    Multicropping Pattern Reveals Human Adaptation at the Wanbei Site (ca. 5.7–4.4 ka cal. BP) in the Middle and Lower Huai River Valley, China by Weixin Tian, Wuhong Luo, Yuzhang Yang, Huiyuan Gan, Zhijie Cheng, Yajie Sun, Dailing Zhang, Liugen Lin, Juzhong Zhang

    Published 2023-05-01
    “…Focusing on crops, phytolith analyses of the soil samples, in tandem with radiocarbon dating from the Wanbei site, reveal evidence of a multicropping pattern of combining rice (<i>Oryza sative</i>), broomcorn millet (<i>Panicum miliaceum</i>), and foxtail millet (<i>Setaria italica</i>) during the Dawenkou culture period between 5720 and 4426 cal. …”
    Get full text
    Article
  2. 562

    Marine inundation history during the last 3000 years at Lake Kogare-ike, a coastal lake on the Pacific coast of central Japan by Yumi Shimada, Yuki Sawai, Dan Matsumoto, Koichiro Tanigawa, Kazumi Ito, Toru Tamura, Yuichi Namegaya, Masanobu Shishikura, Shigehiro Fujino

    Published 2023-08-01
    “…To constrain the depositional ages of the event deposits, Bayesian age–depth models were constructed based on radiocarbon dating of plant macrofossils and concentrated fossil pollen and the 137Cs profile. …”
    Get full text
    Article
  3. 563

    Chronology and Sedimentary Processes in the Western Ross Sea, Antarctica since the Last Glacial Period by Geng Liu, Zhongshan Shen, Xibin Han, Haifeng Wang, Weiwei Chen, Yi Zhang, Pengyun Ma, Yibing Li, Yun Cai, Pengfei Xue, Huafeng Qin, Chunxia Zhang

    Published 2024-01-01
    “…Hence, three sediment cores were collected and studied in terms of radiocarbon dating, magnetic susceptibility, and sediment grain size to reconstruct the environmental processes in the Ross Sea since the last glacial period. …”
    Get full text
    Article
  4. 564

    The footprint of a historical paleoearthquake: the sixth-century-CE event in the European western Southern Alps by F. Livio, M. F. Ferrario, E. Martinelli, S. Talamo, S. Cercatillo, A. M. Michetti, A. M. Michetti

    Published 2023-11-01
    “…</p> <p>In the city of Como (N Italy), we perform stratigraphic and sedimentological analyses on the sedimentary sequences at Via Manzoni and we document earthquake archeological effects at the Roman baths by means of structure from motion and field surveys. Radiocarbon dating and chronological constraints from the archeological site allow us to bracket the time of occurrence of the deformations to the sixth century CE. …”
    Get full text
    Article
  5. 565

    Rare earth elements as sediment contamination tracers in a coastal lagoon in the state of Rio de Janeiro, Brazil by Alex da Silva de Freitas, Lara Luiza de Oliveira Pompermayer, Ana Dalva de Oliveira Santos, Marília Teresa Lima do Nascimento, Tatiana Dillenburg Saint'Pierre, Rachel Ann Hauser-Davis, José Antônio Baptista Neto, Estefan Monteiro da Fonseca

    Published 2023-06-01
    “…Aim: The present study aimed to quantify REEs contents from Padre Lagoon to better ascertain the antropogenic environmental impact Methods: Surface sediments and one sediment core were investigated using a mass spectrometer. 14C radiocarbon dating was performed in the sediment core. Particle size analysis were made in the sediment core and the surface sediments. …”
    Get full text
    Article
  6. 566

    The genome and diet of a 35,000‐year‐old Canis lupus specimen from the Paleolithic painted cave, Chauvet‐Pont d'Arc, France by Jean‐Marc Elalouf, Pauline Palacio, Céline Bon, Véronique Berthonaud, Frédéric Maksud, Thomas W. Stafford Jr, Christophe Hitte

    Published 2022-08-01
    “…As part of the interdisciplinary research project devoted to this reference cave site, we analyzed a coprolite collected within the deep cave. AMS radiocarbon dating of bone fragments from the coprolite yielded an age of 30,450 ± 550 RC yr. …”
    Get full text
    Article
  7. 567

    Human planting strategies and its relation to climate change during ∼4,800–3,900 BP in the mid-lower Hulu River Valley, northwest China by Wenyu Wei, Minmin Ma, Guoke Chen, Jiajia Dong, Zekun Wu, Haiming Li, Haiming Li, Xiaobin Li

    Published 2023-07-01
    “…To explore the issue, we performed archaeobotanical analysis, grain size measurement, stable isotope analysis and radiocarbon dating in the excavated sites of the Zhongtianxingfucheng (ZTXFC) and Wangjiayangwan (WJYW), which were dated to between ∼4,800–4,400 BP and ∼4,200–3,900 BP, respectively. …”
    Get full text
    Article
  8. 568

    Multi-Proxy Study of a Holocene Soil Profile from Romania and Its Relevance for Speleothem Based Paleoenvironmental Reconstructions by Luchiana Faur, Virgil Drăgușin, Daniela Dimofte, Ferenc Lázár Forray, Maria Ilie, Constantin Marin, Cristian Mănăilescu, Ionuț Cornel Mirea, Cristian George Panaiotu, Barbara Soare, Alida Timar-Gabor, Maria Laura Tîrlă

    Published 2021-08-01
    “…Soil samples were analyzed for clay mineralogy, grain size, chemical composition, magnetic susceptibility, and stable carbon isotopes. Radiocarbon dating revealed that the soil is of Holocene age, and presents a depositional hiatus between 5.4 and 2.3 thousand years before the present. …”
    Get full text
    Article
  9. 569

    Unravelling the resilience of the KGK VI population from the Gumelnița site (Romania) through stable isotopes by Ana García-Vázquez, Adrian Bălășescu, Gabriel Vasile, Mihaela Golea, Valentin Radu, Vasile Opriș, Theodor Ignat, Mihaela Culea, Cristina Covătaru, Gabriela Sava, Cătălin Lazăr

    Published 2023-05-01
    “…Foxes had a diet close to dogs, which may indicate synanthropic behaviour. Radiocarbon dates were calibrated with the percentage of freshwater resources obtained by FRUITS. …”
    Get full text
    Article
  10. 570

    Stable Isotope and Radiocarbon Analysis for Diet, Climate and Mobility Reconstruction in Agras (Early Iron Age) and Edessa (Roman Age), Northern Greece by Elissavet Dotsika, Maria Tassi, Petros Karalis, Anastasia Chrysostomou, Dimitra Ermioni Michael, Anastasia Elektra Poutouki, Katerina Theodorakopoulou, Georgios Diamantopoulos

    Published 2022-01-01
    “…In this article we present an isotopic analysis of human bone collagen (δ<sup>13</sup>C<sub>col</sub>, and δ<sup>15</sup>N<sub>col</sub>) and bone apatite (δ<sup>13</sup>C) for diet reconstruction, as well as δ<sup>18</sup>O<sub>ap</sub> of human bone apatite for climate reconstruction, using samples from Northern Greece. Radiocarbon dating analysis was conducted on three of the Agras samples and the results (from 1000 to 800 BC) correspond to the Early Iron Age. …”
    Get full text
    Article
  11. 571

    Rupture Behavior of the Litang Fault within the Sichuan-Yunnan Active Block, Southeastern Tibetan Plateau by Shuaipo Gao, Lichun Chen, Yanbao Li, Hu Wang, Mingming Han, Jiahui Feng, Lili Lu, Sanxi Peng, Chao Jin, Langtao Liu

    Published 2022-07-01
    “…We presented the Holocene rupture behavior of the LTF based on detailed field investigations, paleoearthquake trenching, and radiocarbon dating. Specifically, we revealed 13 Holocene paleoearthquake events at four trenching sites and divided these events into 3 rupture cycles at the whole-fault scale. …”
    Get full text
    Article
  12. 572

    The marine reservoir age of Greenland coastal waters by C. Pearce, K. S. Özdemir, R. Forchhammer Mathiasen, H. Detlef, J. Olsen

    Published 2023-12-01
    “…In this study we expand on the few existing measurements of <span class="inline-formula">Δ<i>R</i></span> for the coastal waters around Greenland, by adding 92 new radiocarbon dates on mollusks from museum collections. …”
    Get full text
    Article
  13. 573

    Drivers of legacy soil organic matter decomposition after fire in boreal forests by Brian Izbicki, Xanthe J. Walker, Jennifer L. Baltzer, Nicola J. Day, Christopher Ebert, Jill F. Johnstone, Elaine Pegoraro, Edward A. G. Schuur, Merritt R. Turetsky, Michelle C. Mack

    Published 2023-11-01
    “…We collected soils from plots after the largest fire year on record in the Northwest Territories, Canada, in 2014. We used radiocarbon dating to measure Δ14C (soil age index), soil extractions to quantify N pools and microbial biomass, and a 90‐day laboratory incubation to measure the potential rate of element mineralization and understand patterns and drivers of legacy SOM C decomposition and N availability. …”
    Get full text
    Article
  14. 574

    Exploring Hypotheses on Early Holocene Caspian Seafaring Through Personal Ornaments: A Study of Changing Styles and Symbols in Western Central Asia by Rigaud Solange, Queffelec Alain, Le Bourdonnec François-Xavier, Alisher kyzy Saltanat, Ambrose Stanley H., Ledevin Ronan, Kurbanov Redzhep, Buzhilova Alexandra, Berezina Natalia, Ziganshin Rustam H., Shnaider Svetlana

    Published 2023-05-01
    “…Microscopic, morphometric, spectrometric, and SEM analyses were carried out on the material to identify how the beads were manufactured and used. New radiocarbon dating and bioanthropological data to age and sex the two skeletons discovered in the burials are provided. …”
    Get full text
    Article
  15. 575

    Empirical and theoretical approaches for assessing the local radiocarbon Marine Reservoir Effect by Queiroz Alves, E

    Published 2019
    “…Its quantification is paramount for the application of the radiocarbon dating tool in marine environments, bearing important consequences for the chronology of coastal archaeological sites. …”
    Thesis
  16. 576

    A matter of time – towards an absolute chronology for the Middle-Upper Palaeolithic biocultural shift along the Danube fluvial corridor by Hopkins, RJA

    Published 2018
    “…This thesis applied recent improvements in radiocarbon dating methodologies and analysis, such as ultrafiltration (Brock et al., 2010b), single amino acid dating (Devièse et al., 2018), and KDE modelling (Bronk Ramsey, 2017). …”
    Thesis
  17. 577

    Ice aprons on steep high-alpine slopes: insights from the Mont-Blanc massif, Western Alps by Ludovic Ravanel, Grégoire Guillet, Suvrat Kaushik, Susanne Preunkert, Emmanuel Malet, Florence Magnin, Emmanuel Trouvé, Maurine Montagnat, Yajing Yan, Philip Deline

    Published 2023-10-01
    “…We used a wide array of methodologies, from remote sensing (multi-source imagery) to in situ (stakes and thermal monitoring) and laboratory (radiocarbon dating and texture analysis) glaciological investigations. …”
    Get full text
    Article
  18. 578

    Origin and Pathways of Dissolved Organic Carbon in a Small Catchment in the Lena River Delta by Lydia Stolpmann, Lydia Stolpmann, Gesine Mollenhauer, Anne Morgenstern, Jens S. Hammes, Julia Boike, Julia Boike, Pier Paul Overduin, Guido Grosse, Guido Grosse

    Published 2022-01-01
    “…In addition to DOC concentrations, we use radiocarbon dating of DOC as well as stable oxygen and hydrogen isotopes (δ18O and δD) to assess the origin of DOC. …”
    Get full text
    Article
  19. 579

    Origen, evolución y desarrollo de un castillo medieval del interior de Galicia. El caso del castillo roquero de San Salvador de Todea (Allariz, Ourense) by Alba A. Rodríguez Nóvoa, Adolfo Fernández Fernández, Patricia Valle Abad, Francisco Javier Pérez Rodríguez

    Published 2022-10-01
    “…This is a multidisciplinary project; the combination of field archaeology, radiocarbon dating, material culture studies and written sources was crucial to found the medieval name of the castle, as well as the land under its rule and its main function. …”
    Get full text
    Article
  20. 580

    Metal contamination in a sediment core from Osaka Bay during the last 400 years by Kai Nils Nitzsche, Toshihiro Yoshimura, Naoto F. Ishikawa, Hiroto Kajita, Hodaka Kawahata, Nanako O. Ogawa, Katsuhiko Suzuki, Yusuke Yokoyama, Naohiko Ohkouchi

    Published 2022-10-01
    “…The core provided a continuous environmental record of the last 2300 years based on radiocarbon dating of molluscan shells. Copper, Zn, and Pb showed an initial enrichment from the 1670s AD, which could be caused by human activities due to an increasing population. …”
    Get full text
    Article