{"id":"W2900103043","doi":"10.1306/eg.04121817020","title":"A multi-isotope approach to determine the origin of methane and higher alkanes in groundwater of the St. Lawrence Platform, Saint-Édouard area, eastern Canada","year":2018,"lang":"en","type":"article","venue":"Environmental Geosciences","topic":"Atmospheric and Environmental Gas Dynamics","field":"Environmental Science","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institut National de la Recherche Scientifique; Geological Survey of Canada; Natural Resources Canada","funders":"Natural Resources Canada; Québec Ministère du Développement Durable, de l’Environnement et de la Lutte Contre les Changements Climatiques; Concordia University","keywords":"Groundwater; Methane; SAINT; Isotope; Geology; Environmental science; Geochemistry; Hydrology (agriculture); Chemistry; Geotechnical engineering","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0001086102,0.0001923161,0.0001534033,0.00110995,0.001441526,0.0003850368,0.000329614,0.000202511,0.0006478124],"category_scores_gemma":[0.0001508669,0.0001208267,0.0001070631,0.001409491,0.0002656289,0.0001145382,0.000214702,0.0001543659,0.00009579974],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.006767292,"about_ca_system_score_gemma":0.005996637,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9696349,"about_ca_topic_score_gemma":0.9906799,"domain_scores_codex":[0.9998928,0.000005500495,0.000004083561,0.00002445986,0.00003655968,0.00003655149],"domain_scores_gemma":[0.9998028,0.00001093762,0.00001746233,0.000003047244,0.0001356941,0.0000299869],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001323856,0.00004063352,0.9082096,0.00006546648,0.00003930891,0.0003925941,0.001433463,0.0007207432,0.06928185,0.0002135934,0.0003309936,0.01913938],"study_design_scores_gemma":[0.00000349982,0.0000312045,0.9909445,0.00001035341,0.00001109936,0.00006716437,0.001615706,0.001136319,0.004420292,0.00002730255,0.001724422,0.000008108716],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9976174,0.0002081089,0.000242767,0.00003145441,0.000001563829,0.00001783298,0.0007206929,0.00001091804,0.001149297],"genre_scores_gemma":[0.9970599,0.0001326451,0.0007315764,0.00002699294,7.542893e-7,0.000007962769,0.0004272704,0.000002575624,0.001610287],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03036511,"threshold_uncertainty_score":0.06108779,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01795216376995229,"score_gpt":0.2031947345667231,"score_spread":0.1852425707967708,"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."}}