{"id":"W4283170016","doi":"10.3390/w14121940","title":"Regional-Scale Distribution of Helium Isotopes in Aquifers: How Informative Are They as Groundwater Tracers and Chronometers?","year":2022,"lang":"en","type":"article","venue":"Water","topic":"Methane Hydrates and Related Phenomena","field":"Environmental Science","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université du Québec à Montréal","funders":"Fonds de recherche du Québec – Nature et technologies; International Atomic Energy Agency","keywords":"Aquifer; Groundwater recharge; Geology; Groundwater; Bedrock; Radiogenic nuclide; Hydrology (agriculture); Infiltration (HVAC); Geochemistry; Meteoric water; Geomorphology; Geography; Mantle (geology)","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":[0.0007293042,0.0001760589,0.0002530492,0.001574608,0.0002085046,0.0006367939,0.000339708,0.0002524783,0.0004236957],"category_scores_gemma":[0.001594353,0.0001175487,0.0001206062,0.002102818,0.000280809,0.000534407,0.0002722639,0.0001537153,0.0001681418],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009247653,"about_ca_system_score_gemma":0.0005726762,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1612323,"about_ca_topic_score_gemma":0.3866284,"domain_scores_codex":[0.9996628,0.00007775786,0.00002178521,0.0001104476,0.00006220035,0.00006497866],"domain_scores_gemma":[0.9989552,0.0002126104,0.0002260297,0.0001262586,0.0004052611,0.00007464608],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00005939894,0.000006679801,0.9718503,0.0000368246,0.00006030224,0.00003057257,0.0002472998,0.00048585,0.00410595,0.0001052802,0.0002707342,0.02274071],"study_design_scores_gemma":[0.000002964953,0.00002175676,0.9937483,0.00001939833,0.00004389792,0.00003828822,0.0005079007,0.001124334,0.001344905,0.00008022942,0.003057466,0.00001072729],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9895176,0.00178061,0.002072867,0.0001206186,0.000008290668,0.000007147234,0.004835794,0.0000851072,0.001571872],"genre_scores_gemma":[0.9945011,0.0005947122,0.001951587,0.00003073759,0.000008761023,0.000007664175,0.002345045,0.00001522806,0.0005451316],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1612323,"threshold_uncertainty_score":0.3205876,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008747375878020987,"score_gpt":0.1939873337303905,"score_spread":0.1852399578523695,"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."}}