{"id":"W2026741287","doi":"10.1111/j.1745-6584.2000.tb00219.x","title":"Mechanisms Controlling the Distribution and Transport of <sup>14</sup> C in a Clay‐Rich Till Aquitard","year":2000,"lang":"en","type":"article","venue":"Ground Water","topic":"Groundwater and Isotope Geochemistry","field":"Earth and Planetary Sciences","cited_by":37,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Saskatchewan; Environment and Climate Change Canada","funders":"","keywords":"Radiocarbon dating; Geology; Aquifer; Carbon fibers; Diffusion; Groundwater; Geochemistry; Paleontology; Materials science; Geotechnical engineering; Composite material; 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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0003337051,0.0001233609,0.0001787133,0.00001879424,0.00009674623,0.0000361224,0.0001350069,0.00007696472,0.001965207],"category_scores_gemma":[0.000002269458,0.00006733841,0.00004452686,0.00007092916,0.00007644088,0.0001632001,0.000004619773,0.0001237971,0.00005662332],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00000434191,"about_ca_system_score_gemma":0.000008974848,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001529809,"about_ca_topic_score_gemma":0.0002901914,"domain_scores_codex":[0.9990352,0.00004009959,0.0002400399,0.0002027089,0.0001674603,0.0003145208],"domain_scores_gemma":[0.9997413,0.00002997146,0.00001941408,0.0001407118,0.00001661462,0.00005199788],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001981796,0.0002713269,0.8362868,0.0004241293,0.0002582512,0.0002185318,0.02255092,0.02803415,0.01451898,0.0005694847,0.0005397905,0.09434588],"study_design_scores_gemma":[0.005519788,0.0006134757,0.8496978,0.0001311353,0.0001971148,0.0002386909,0.001929657,0.03769343,0.04035369,0.03103047,0.03142437,0.001170377],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9971856,0.0001288222,0.0002722784,0.0002322448,0.00003464396,0.000149877,0.00009630749,0.00001334196,0.001886808],"genre_scores_gemma":[0.9986751,0.00004316309,0.00004449447,0.0001111071,0.000034776,0.000002736057,0.0004623285,0.000002864487,0.0006234485],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09317551,"threshold_uncertainty_score":0.9989471,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006637021217480421,"score_gpt":0.1734866460113665,"score_spread":0.166849624793886,"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."}}