{"id":"W2026978741","doi":"10.1190/1.1512800","title":"Aquifer heterogeneity from SH-wave seismic impedance inversion","year":2002,"lang":"en","type":"article","venue":"Geophysics","topic":"Seismic Imaging and Inversion Techniques","field":"Earth and Planetary Sciences","cited_by":17,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Geology; Aquifer; Hydrogeology; Seismic inversion; Seismology; Penetrometer; Inversion (geology); Amplitude; Vertical seismic profile; Bayesian probability; Geodesy; Geotechnical engineering; Geophysics; Soil science; Azimuth; Geometry; Tectonics; Statistics; Groundwater; Mathematics","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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":["insufficient_payload"],"category_scores_codex":[0.00006508778,0.000150728,0.0001512404,0.00003990353,0.000161977,0.00004690649,0.0001892286,0.00006775477,0.001690994],"category_scores_gemma":[0.00001131056,0.0001361882,0.00008784446,0.0001598461,0.00008353449,0.0002792405,0.00002367153,0.0001639328,0.002425266],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000007485648,"about_ca_system_score_gemma":0.000009474816,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006430393,"about_ca_topic_score_gemma":0.00002394623,"domain_scores_codex":[0.9989891,0.00004824337,0.0001401251,0.0003097443,0.0002304006,0.0002823991],"domain_scores_gemma":[0.9994277,0.00006097219,0.00006456926,0.0003150322,0.00002856569,0.0001031109],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00002409539,0.00006325178,0.06307709,0.00001831686,0.00004516807,0.00004544905,0.0006972351,0.0003715196,0.0007982393,0.0000294423,0.1868975,0.7479327],"study_design_scores_gemma":[0.0003892143,0.0001226937,0.03534197,0.00003741778,0.00003056665,0.000007732489,0.0001140597,0.8453461,0.01729778,0.007861696,0.09299956,0.0004511906],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9905107,0.0004334701,0.0007214189,0.0004824069,0.0004198438,0.00008273768,0.0001118249,0.0002156094,0.007021975],"genre_scores_gemma":[0.9923343,0.0001757823,0.001095991,0.00548326,0.0002242662,6.226221e-7,0.0001103783,0.000005143632,0.000570227],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8449746,"threshold_uncertainty_score":0.9992216,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02822088240115865,"score_gpt":0.1976150559444332,"score_spread":0.1693941735432746,"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."}}