{"id":"W2166825986","doi":"10.1029/2004wr003157","title":"Origin and migration of dissolved organic carbon fractions in a clay‐rich aquitard: <sup>14</sup>C and δ<sup>13</sup>C evidence","year":2005,"lang":"en","type":"article","venue":"Water Resources Research","topic":"Groundwater and Isotope Geochemistry","field":"Earth and Planetary Sciences","cited_by":38,"is_retracted":false,"has_abstract":true,"ca_institutions":"Global Institute for Water Security; Environment and Climate Change Canada; University of Saskatchewan","funders":"Natural Sciences and Engineering Research Council of Canada; Cameco","keywords":"Dissolved organic carbon; Aquifer; Pore water pressure; Total organic carbon; Chemistry; Diffusion; Carbon fibers; Soil science; Geology; Environmental chemistry; Analytical Chemistry (journal); Mineralogy; Groundwater; Materials science; Thermodynamics","routes":{"ca_aff":true,"ca_fund":true,"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":[0.00009366209,0.0001943576,0.0001679529,0.0003785013,0.0003568163,0.0005399787,0.0003401238,0.000273231,0.0003013113],"category_scores_gemma":[0.0001864278,0.0001979321,0.0001265277,0.0003125384,0.0003691122,0.0002174712,0.00024166,0.0001704968,0.00006532214],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001320179,"about_ca_system_score_gemma":0.0005061335,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.03248649,"about_ca_topic_score_gemma":0.02594239,"domain_scores_codex":[0.9999369,0.000003855936,0.00000460962,0.00002676259,0.00001300831,0.0000148199],"domain_scores_gemma":[0.9998879,0.00001625952,0.00003829437,0.000005321169,0.00002639409,0.00002587702],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0004269827,0.00005615127,0.4318398,0.00006125541,0.00004302657,0.0003777098,0.0003417083,0.002467744,0.558571,0.0001088255,0.00006803745,0.005637675],"study_design_scores_gemma":[0.00001192179,0.0001108859,0.9607449,0.000004539338,0.00002181943,0.0001017786,0.0002706226,0.006099427,0.03220793,0.0000674585,0.0003464665,0.00001215586],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9998216,0.00001186848,0.00003514667,0.000003965722,1.958056e-7,9.233679e-7,0.00003496267,0.000003802126,0.00008762447],"genre_scores_gemma":[0.9996734,0.00001588885,0.0001247326,0.000003043771,4.139384e-7,0.00000205264,0.00007822578,0.000001403958,0.0001009948],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03248649,"threshold_uncertainty_score":0.06459481,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03733774460553214,"score_gpt":0.2852317919325421,"score_spread":0.2478940473270099,"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."}}