{"id":"W4401512151","doi":"10.1016/j.gca.2024.08.009","title":"Large nitrogen cycle perturbations during the Early Triassic hyperthermal","year":2024,"lang":"en","type":"article","venue":"Geochimica et Cosmochimica Acta","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":13,"is_retracted":false,"has_abstract":false,"ca_institutions":"Geological Survey of Canada; Natural Resources Canada","funders":"","keywords":"Early Triassic; Isotopes of nitrogen; Extinction event; Algae; δ34S; Environmental chemistry; Environmental science; Ecology; Nitrogen; Oceanography; Biology; Geology; Structural basin; Paleontology; Chemistry; Permian","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0001021648,0.0001980029,0.0002935276,0.0003211211,0.0004686847,0.0003877801,0.0001478397,0.0004191146,0.001825959],"category_scores_gemma":[0.0003394092,0.000187959,0.0001131135,0.0002828805,0.0004765054,0.0003578037,0.0004905746,0.0003595938,0.0002705132],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006206494,"about_ca_system_score_gemma":0.0003720311,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006159647,"about_ca_topic_score_gemma":0.01280799,"domain_scores_codex":[0.9999667,0.000003116905,0.00000195519,0.00001016136,0.000007109116,0.00001086858],"domain_scores_gemma":[0.999928,0.00001303271,0.00001487817,0.000006576961,0.00001849137,0.00001903412],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.002431518,0.00006338087,0.1562785,0.0001740671,0.00008697773,0.00109236,0.001215347,0.002160039,0.8204786,0.00100603,0.0006058275,0.0144074],"study_design_scores_gemma":[0.00001366855,0.00009441061,0.9868819,0.000006050025,0.00001445146,0.0001369649,0.0002288522,0.0006095331,0.01075114,0.000161933,0.001093681,0.000007619731],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980785,0.0002994993,0.0001728601,0.0001073018,0.000009588758,0.000004830717,0.0001887996,0.00002058675,0.001117974],"genre_scores_gemma":[0.9992668,0.0001044214,0.00004078458,0.00002411236,0.000005984135,0.000006026205,0.0001516706,0.00000464748,0.0003954291],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006159647,"threshold_uncertainty_score":0.01224756,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01072616852927335,"score_gpt":0.2236582935570067,"score_spread":0.2129321250277333,"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."}}