{"id":"W3119420646","doi":"10.1029/2020jd034365","title":"Unprecedented Spring 2020 Ozone Depletion in the Context of 20 Years of Measurements at Eureka, Canada","year":2021,"lang":"en","type":"article","venue":"Journal of Geophysical Research Atmospheres","topic":"Atmospheric Ozone and Climate","field":"Earth and Planetary Sciences","cited_by":48,"is_retracted":false,"has_abstract":true,"ca_institutions":"Dalhousie University; Environment and Climate Change Canada; University of Toronto","funders":"Natural Environment Research Council; Natural Sciences and Engineering Research Council of Canada; Canadian Space Agency; Nova Scotia Research Innovation Trust; Sight Research UK; Canadian Foundation for Climate and Atmospheric Sciences; Environment and Climate Change Canada","keywords":"Ozone; Polar vortex; Ozone depletion; Context (archaeology); Atmospheric sciences; Arctic; Chemical transport model; Climatology; Ozone layer; Environmental science; Stratosphere; Atmospheric chemistry; Meteorology; Oceanography; Geography; Geology","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0006000623,0.0004427567,0.0003172244,0.001051287,0.001050827,0.001192636,0.0005895557,0.0004296,0.0004840562],"category_scores_gemma":[0.0005680962,0.0002009938,0.0003612171,0.002167267,0.0001954029,0.000482751,0.0007846208,0.0005052959,0.0001426493],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.007537051,"about_ca_system_score_gemma":0.007573559,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9559222,"about_ca_topic_score_gemma":0.976254,"domain_scores_codex":[0.9995402,0.00002032491,0.0000266642,0.00009352399,0.0001579147,0.0001614454],"domain_scores_gemma":[0.9991897,0.00002495619,0.00007448509,0.00002437454,0.0005822495,0.0001043407],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001681307,0.00006048586,0.9760104,0.0001059092,0.0003249724,0.0005420689,0.0004663784,0.001417032,0.004727495,0.0002235126,0.004513757,0.01143988],"study_design_scores_gemma":[0.000003100113,0.000007717119,0.993565,0.00001943124,0.00003905801,0.00004473519,0.0003339877,0.0009618354,0.0006293336,0.00001660342,0.004366171,0.00001307664],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9701128,0.001332719,0.0003146833,0.0004440839,0.00003992383,0.0000260259,0.02398954,0.00004531709,0.003694852],"genre_scores_gemma":[0.9786444,0.0006657281,0.0006499205,0.0001699898,0.00002038463,0.00002007583,0.01784891,0.00001916585,0.001961402],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04407781,"threshold_uncertainty_score":0.08867472,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.041965440424927,"score_gpt":0.2842227122244452,"score_spread":0.2422572717995182,"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."}}