{"id":"W3015391807","doi":"10.1017/rdc.2020.41","title":"The IntCal20 Northern Hemisphere Radiocarbon Age Calibration Curve (0–55 cal kBP)","year":2020,"lang":"en","type":"article","venue":"Radiocarbon","topic":"Geology and Paleoclimatology Research","field":"Earth and Planetary Sciences","cited_by":7589,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Australian Research Council; Avignon Université; Fukushima University; National Natural Science Foundation of China; Vetenskapsrådet; Knut och Alice Wallenbergs Stiftelse; Rijksuniversiteit Groningen; Johannes Gutenberg-Universität Mainz; Bundesministerium für Bildung und Forschung; Universität Innsbruck; West Virginia University; Chinese Academy of Sciences; Russian Academy of Sciences; Agence Nationale de la Recherche; University of Cambridge; Aix-Marseille Université; Queen's University Belfast; European Commission; Leverhulme Trust; Queen's University; Equipex; Sight Research UK; Natural Environment Research Council; UK Research and Innovation; National Science Foundation","keywords":"Radiocarbon dating; Northern Hemisphere; Southern Hemisphere; Geology; Calibration; Absolute dating; Calibration curve; Geochronology; Physical geography; Archaeology; Paleontology; Geography; Atmospheric sciences; Climatology; Chemistry; Physics","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002046839,0.0008628943,0.0002956582,0.006882015,0.0007738394,0.001361036,0.001271419,0.0003025517,0.009503354],"category_scores_gemma":[0.003215127,0.0001894381,0.0003671129,0.01051862,0.0003229124,0.0008473728,0.0008857513,0.000636244,0.004147372],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0019764,"about_ca_system_score_gemma":0.002021601,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.07086537,"about_ca_topic_score_gemma":0.090796,"domain_scores_codex":[0.9988998,0.00009314995,0.0001036482,0.000242528,0.0005387539,0.0001221916],"domain_scores_gemma":[0.9950266,0.0002318453,0.0006738387,0.0007417458,0.003161493,0.0001644715],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.000515462,0.0001383822,0.264219,0.0009390291,0.0001925184,0.0002120952,0.0005541202,0.006847991,0.007765448,0.007906779,0.2976971,0.4130121],"study_design_scores_gemma":[0.00003662924,0.00004506213,0.2989468,0.0001477437,0.0000450699,0.0001262234,0.0001379055,0.001982415,0.005055819,0.0007479049,0.6926863,0.00004208548],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"dataset","genre_gemma":"methods","genre_scores_codex":[0.1024406,0.002831703,0.02275405,0.0005881203,0.0007662445,0.0005165464,0.6767127,0.00313113,0.1902589],"genre_scores_gemma":[0.2272486,0.001909857,0.04679185,0.0008187814,0.0004448297,0.001255257,0.7028692,0.001874174,0.01678741],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.07086537,"threshold_uncertainty_score":0.1409057,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01908640909007322,"score_gpt":0.2183702834141165,"score_spread":0.1992838743240433,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}