{"id":"W2046421507","doi":"10.1029/2011jd015989","title":"On the seasonal onset of polar mesospheric clouds and the breakdown of the stratospheric polar vortex in the Southern Hemisphere","year":2011,"lang":"en","type":"article","venue":"Journal of Geophysical Research Atmospheres","topic":"Ionosphere and magnetosphere dynamics","field":"Physics and Astronomy","cited_by":44,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Mesopause; Polar vortex; Sudden stratospheric warming; Mesosphere; Atmospheric sciences; Stratosphere; Polar; Northern Hemisphere; Southern Hemisphere; Climatology; Polar night; Atmosphere (unit); Environmental science; Geology; Physics; Meteorology; Astronomy","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":[0.000157885,0.0001087606,0.0001125377,0.0002604197,0.0003229509,0.0003209754,0.0001360866,0.0002233846,0.001438316],"category_scores_gemma":[0.0006203327,0.00006900197,0.0000898873,0.0003567114,0.0002421883,0.0001697675,0.0001618642,0.000146031,0.0001417516],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000527051,"about_ca_system_score_gemma":0.0003167837,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04394247,"about_ca_topic_score_gemma":0.1004792,"domain_scores_codex":[0.9999691,0.000004311521,0.000001027469,0.000005648135,0.00000736009,0.00001246615],"domain_scores_gemma":[0.9997131,0.00006331007,0.00009373055,0.00001271424,0.00004473782,0.00007244069],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005807641,0.00007359751,0.9614814,0.00005553599,0.00008856533,0.0003403767,0.0002630892,0.00336225,0.02102146,0.0007122426,0.002132658,0.00988801],"study_design_scores_gemma":[0.000004384674,0.00001570318,0.998493,0.000002668741,0.000006718049,0.00001830869,0.00005299482,0.0007202117,0.0001953409,0.00008280314,0.0004062066,0.000001751616],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.997308,0.0003335026,0.0001040268,0.0001318579,0.00001002665,0.000004320365,0.0003550203,0.000008825739,0.001744407],"genre_scores_gemma":[0.9993554,0.0001256957,0.00005046021,0.00001294639,0.0000132172,0.000001605533,0.0002728121,0.000002435218,0.0001653422],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04394247,"threshold_uncertainty_score":0.08737344,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01558986758851484,"score_gpt":0.2571946159288721,"score_spread":0.2416047483403572,"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."}}