{"id":"W1970698587","doi":"10.1126/science.1157525","title":"Ancient Permafrost and a Future, Warmer Arctic","year":2008,"lang":"en","type":"article","venue":"Science","topic":"Climate change and permafrost","field":"Earth and Planetary Sciences","cited_by":159,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta; University of Toronto; Geological Survey of Canada","funders":"","keywords":"Permafrost; Subarctic climate; Arctic; Physical geography; Environmental science; Global warming; Climate change; Climatology; Cryosphere; Geology; Oceanography; Sea ice; Geography","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":[0.0002030026,0.0001362396,0.0001267164,0.0004247724,0.001720504,0.001258068,0.0002364562,0.0003312692,0.001691407],"category_scores_gemma":[0.0005206445,0.00006973345,0.00006426522,0.0007226356,0.001352545,0.0005821921,0.0004233598,0.0004584274,0.0001010062],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003442788,"about_ca_system_score_gemma":0.004304155,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.3703158,"about_ca_topic_score_gemma":0.7327749,"domain_scores_codex":[0.9998912,0.000007919415,0.000003522107,0.00002314003,0.00003465844,0.00003955221],"domain_scores_gemma":[0.9996197,0.00003257873,0.0001216114,0.00001837552,0.0001085302,0.0000991101],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001368963,0.00002363447,0.9418459,0.00009368532,0.00005885321,0.001123567,0.002406457,0.001451187,0.0104814,0.009694776,0.001227197,0.03145645],"study_design_scores_gemma":[0.000004778433,0.00002359803,0.9636188,0.00005126577,0.00003951395,0.001425592,0.004667935,0.0008549226,0.002020715,0.004081411,0.02319174,0.00001967739],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9864271,0.002225123,0.0002974987,0.00140364,0.00002445045,0.000002244405,0.0002857249,0.00001498421,0.009319102],"genre_scores_gemma":[0.9979604,0.0007462212,0.0003334739,0.0001190608,0.00001598609,5.633304e-7,0.000127067,0.000002133632,0.0006951064],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3703158,"threshold_uncertainty_score":0.7363207,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03349148908924085,"score_gpt":0.2343507801782205,"score_spread":0.2008592910889797,"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."}}