{"id":"W1979337539","doi":"10.1016/j.epsl.2011.04.013","title":"The significance of an Early Jurassic (Toarcian) carbon-isotope excursion in Haida Gwaii (Queen Charlotte Islands), British Columbia, Canada","year":2011,"lang":"en","type":"article","venue":"Earth and Planetary Science Letters","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":124,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"Oklahoma Agricultural Experiment Station; Natural Environment Research Council; Sight Research UK","keywords":"Excursion; Geology; Isotopes of carbon; Carbon cycle; Oceanography; Ammonite; Total organic carbon; Paleontology; δ13C; Stable isotope ratio; Ecology; Cretaceous; Ecosystem","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.0004371135,0.000301515,0.0004834578,0.002340857,0.005676819,0.002370595,0.001452103,0.0007994667,0.004263153],"category_scores_gemma":[0.001364392,0.0004159783,0.0002508989,0.004142959,0.001307109,0.0005315621,0.001168897,0.0009813332,0.0005118643],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.02244052,"about_ca_system_score_gemma":0.02093539,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9947692,"about_ca_topic_score_gemma":0.998672,"domain_scores_codex":[0.9996151,0.00002475046,0.00002466371,0.00008142924,0.00008816103,0.0001658355],"domain_scores_gemma":[0.9986791,0.00007434629,0.0001009943,0.0000207793,0.0009241332,0.0002007698],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004381124,0.00007916832,0.9337361,0.0001988129,0.0001604381,0.0007283371,0.01174425,0.0006359546,0.006409914,0.0008624136,0.003983854,0.0410227],"study_design_scores_gemma":[0.000006149024,0.000006659087,0.9935341,0.0000386014,0.00001644464,0.00004843566,0.003504144,0.0001722499,0.000201006,0.00003446694,0.002425404,0.00001241023],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9899682,0.000994119,0.00008557105,0.000542257,0.00002325489,0.00001992578,0.001379556,0.0000149344,0.006972244],"genre_scores_gemma":[0.9947365,0.0003913191,0.0001244117,0.00009746817,0.000005643094,0.000007688805,0.0004666926,0.00001790301,0.004152283],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02244052,"threshold_uncertainty_score":0.1628181,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007750862366699928,"score_gpt":0.1632935834613211,"score_spread":0.1555427210946211,"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."}}