{"id":"W4409403985","doi":"10.5194/acp-25-4185-2025","title":"Age of air from ACE-FTS measurements of sulfur hexafluoride","year":2025,"lang":"en","type":"article","venue":"Atmospheric chemistry and physics","topic":"Atmospheric Ozone and Climate","field":"Earth and Planetary Sciences","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"Environment and Climate Change Canada; University of Waterloo; University of Toronto","funders":"Natural Sciences and Engineering Research Council of Canada; Canadian Space Agency","keywords":"Sulfur hexafluoride; Atmospheric sciences; Environmental science; Chemistry; Meteorology; Environmental chemistry; Geography; Geology","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":[0.0003052037,0.0004550495,0.0001849737,0.0009588033,0.0001559079,0.0003512813,0.000208054,0.0002586653,0.0006273958],"category_scores_gemma":[0.0004149254,0.00009562013,0.0003347637,0.0008000493,0.00005595233,0.0004464962,0.0001812322,0.0001596146,0.0002880539],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004308129,"about_ca_system_score_gemma":0.0002434303,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01589287,"about_ca_topic_score_gemma":0.02128211,"domain_scores_codex":[0.9998417,0.00001028797,0.0000127071,0.00005240981,0.0000636594,0.00001919529],"domain_scores_gemma":[0.9996024,0.00003758653,0.0001199397,0.00003914588,0.0001713348,0.00002957164],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005959859,0.00009301677,0.9187254,0.0001631477,0.0002537744,0.0001601766,0.0001182653,0.008578816,0.04164927,0.0002229134,0.003161303,0.02627785],"study_design_scores_gemma":[0.00001141524,0.00004667424,0.9730987,0.000008823932,0.00005559146,0.0000635076,0.00004608241,0.01175366,0.01102018,0.0000821923,0.003800505,0.00001271032],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9596153,0.0002518832,0.002169857,0.00002727646,0.00004264493,0.00002104255,0.0353586,0.0001846164,0.002328777],"genre_scores_gemma":[0.9652825,0.0001433552,0.003229653,0.00001902103,0.00002703505,0.00001727638,0.03080638,0.00002197863,0.0004527556],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01589287,"threshold_uncertainty_score":0.03160071,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01268351238521424,"score_gpt":0.2144597063406744,"score_spread":0.2017761939554602,"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."}}