{"id":"W4296828723","doi":"10.5194/iahs2022-507","title":"Evaluating radium as a time tracer for infiltrated surface water in unsteady surface -groundwater interaction areas","year":2022,"lang":"en","type":"preprint","venue":"","topic":"Groundwater and Isotope Geochemistry","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université du Québec à Montréal; Polytechnique Montréal","funders":"","keywords":"TRACER; Radium; Aquifer; Groundwater; Environmental science; Surface water; Residence time (fluid dynamics); Biogeochemical cycle; Hydrology (agriculture); Water quality; Radon; Seawater; Radionuclide; Environmental chemistry; Chemistry; Environmental engineering; Geology; Oceanography; Radiochemistry; Geotechnical engineering","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006535748,0.0002551314,0.000386313,0.0006024032,0.0003610534,0.0008381819,0.0005461375,0.0007193492,0.000684732],"category_scores_gemma":[0.0007147456,0.0001914275,0.000313516,0.0005767068,0.0003131838,0.0006906231,0.0006165278,0.0005006889,0.000214772],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007745399,"about_ca_system_score_gemma":0.0005158337,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00728329,"about_ca_topic_score_gemma":0.007296268,"domain_scores_codex":[0.9997604,0.00004397823,0.000008444326,0.00006502723,0.00008320878,0.00003892652],"domain_scores_gemma":[0.9997758,0.00006679539,0.00003128855,0.00001087262,0.00009328892,0.00002179399],"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":[0.001167439,0.0003068515,0.05111326,0.0003778266,0.00005293648,0.0004910654,0.0005170249,0.01207874,0.8955625,0.00109165,0.000371854,0.03686875],"study_design_scores_gemma":[0.0000570481,0.002136153,0.04720596,0.00005564028,0.0001215759,0.0002300115,0.001216225,0.1519316,0.7915083,0.0004633864,0.004988641,0.00008554767],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9869109,0.0005899403,0.01058874,0.00007012556,0.00002386657,0.00004419942,0.000167667,0.000133352,0.00147104],"genre_scores_gemma":[0.9866919,0.0004057696,0.01089123,0.00003977602,0.000006065781,0.00004358737,0.0001475787,0.00004924215,0.001724868],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00728329,"threshold_uncertainty_score":0.01448184,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0433358427275766,"score_gpt":0.3030768191377033,"score_spread":0.2597409764101267,"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."}}