{"id":"W3099194398","doi":"10.1016/j.gloplacha.2020.103373","title":"Decoupling δ13Ccarb and δ13Corg at the onset of the Ireviken Carbon Isotope Excursion: Δ13C and organic carbon burial (forg) during a Silurian oceanic anoxic event","year":2020,"lang":"en","type":"article","venue":"Global and Planetary Change","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":36,"is_retracted":false,"has_abstract":true,"ca_institutions":"St. Francis Xavier University","funders":"Natural Sciences and Engineering Research Council of Canada; National Aeronautics and Space Administration; National Science Foundation","keywords":"Paleontology; Geology; Excursion; Carbon cycle; Isotopes of carbon; Extinction event; Earth science; Total organic carbon; Chemistry","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000198469,0.0003267042,0.0002685699,0.000901047,0.0003998695,0.000730456,0.0003454491,0.0004498126,0.0009474778],"category_scores_gemma":[0.0002983234,0.0002246369,0.0001844833,0.000570989,0.000651406,0.0002675234,0.0005803516,0.0002990807,0.0002012891],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007375477,"about_ca_system_score_gemma":0.0003729295,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02816779,"about_ca_topic_score_gemma":0.04527516,"domain_scores_codex":[0.9999115,0.00000468036,0.000004838228,0.00003297785,0.00001996613,0.00002589251],"domain_scores_gemma":[0.9999208,0.000008888844,0.00002365224,0.000006700559,0.000021159,0.0000187929],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0009074362,0.00008670166,0.645269,0.0001222548,0.0001839629,0.001187147,0.002230325,0.002319395,0.3271239,0.0003124105,0.0002685746,0.01998889],"study_design_scores_gemma":[0.000003730165,0.00002114896,0.9973236,0.000004587377,0.000008404422,0.00004121589,0.0001208526,0.0001974683,0.001921985,0.00001506918,0.000337599,0.000004230283],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.998621,0.00007215702,0.00006510189,0.000008131309,0.000003524877,0.000002051765,0.0001504228,0.00001153265,0.001066038],"genre_scores_gemma":[0.9992976,0.00004297055,0.0001009609,0.000009739035,0.000003648539,0.000002846198,0.0002081773,0.000007282516,0.0003267352],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02816779,"threshold_uncertainty_score":0.05600768,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01788307371077127,"score_gpt":0.1986807598690229,"score_spread":0.1807976861582516,"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."}}