{"id":"W4249947037","doi":"10.1016/b978-044452748-6/00096-1","title":"Time-Averaged Field and Paleosecular Variation","year":2007,"lang":"en","type":"book-chapter","venue":"Elsevier eBooks","topic":"Geomagnetism and Paleomagnetism Studies","field":"Biochemistry, Genetics and Molecular Biology","cited_by":10,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"","keywords":"Paleomagnetism; Geology; Geophysics; Dynamo; Earth's magnetic field; Dynamo theory; Apparent polar wander; Field (mathematics); Geodesy; Dipole; Outer core; Inner core; Geometry; Core–mantle boundary; Secular variation; Cosmic microwave background; Magnetic field; Mantle (geology); Physics","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":[0.0001576446,0.00008558857,0.000111729,0.0004107596,0.00008017627,0.0003944425,0.0001663021,0.0001495947,0.005446709],"category_scores_gemma":[0.0006015177,0.00006705227,0.00006660254,0.0007971917,0.0001859743,0.0002447708,0.0001017732,0.0001066856,0.000350107],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003438843,"about_ca_system_score_gemma":0.00009203215,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008763512,"about_ca_topic_score_gemma":0.00994181,"domain_scores_codex":[0.9999719,0.000003536532,0.000002101201,0.00001285091,0.000006746639,0.000002857459],"domain_scores_gemma":[0.9998919,0.00005283309,0.00001550413,0.00001223503,0.0000206778,0.000006921355],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.0006922404,0.00005006333,0.1856414,0.0002189596,0.0003343175,0.0008049136,0.001095602,0.02926299,0.1067392,0.05080967,0.01140911,0.6129415],"study_design_scores_gemma":[0.00000980591,0.0000241087,0.9542366,0.00001411818,0.00002790643,0.0005099397,0.0001219337,0.005868184,0.001453232,0.01605356,0.02166437,0.00001612308],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9308037,0.005285029,0.01501661,0.0002498983,0.00008529844,0.00000757513,0.003339263,0.0002908893,0.04492163],"genre_scores_gemma":[0.9741323,0.0009552456,0.00144559,0.00003088129,0.00003470302,0.000004832844,0.0009838855,0.00005275415,0.02235972],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008763512,"threshold_uncertainty_score":0.01822102,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008000696029097558,"score_gpt":0.2155350212677259,"score_spread":0.2075343252386283,"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."}}