{"id":"W2020552897","doi":"10.1016/j.jenvman.2011.06.043","title":"Examination of nitrate concentration, loading and isotope dynamics in subsurface drainage under standard agricultural cropping in Atlantic Canada","year":2011,"lang":"en","type":"article","venue":"Journal of Environmental Management","topic":"Soil and Water Nutrient Dynamics","field":"Environmental Science","cited_by":12,"is_retracted":false,"has_abstract":false,"ca_institutions":"St. Francis Xavier University; Agriculture and Agri-Food Canada","funders":"","keywords":"Drainage; Tile drainage; Soil water; Environmental science; Nitrate; Loam; Isotopic signature; δ18O; Hydrology (agriculture); Organic matter; Manure; Denitrification; Stable isotope ratio; Nitrogen; Soil science; Agronomy; Geology; Chemistry; Ecology; Biology","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0001561521,0.0001542938,0.0002506375,0.000719831,0.001970146,0.0009484121,0.0005154932,0.0003349166,0.0005146242],"category_scores_gemma":[0.0004633019,0.0002163752,0.0001501135,0.001240022,0.0009359631,0.0002179653,0.0004384792,0.000292714,0.00008619943],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01092216,"about_ca_system_score_gemma":0.009196088,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9800215,"about_ca_topic_score_gemma":0.9938478,"domain_scores_codex":[0.9998276,0.000008948452,0.00000761089,0.00003728554,0.000057457,0.00006105006],"domain_scores_gemma":[0.999442,0.00004439872,0.00005340695,0.00001195302,0.0003298578,0.0001183365],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002685538,0.00007206008,0.9735293,0.00002581564,0.00003963364,0.0003331721,0.001847894,0.0004640493,0.01632917,0.0001860502,0.0003285247,0.006575779],"study_design_scores_gemma":[0.000004035751,0.0000136519,0.997448,0.00000365719,0.000007718531,0.00003580509,0.001038417,0.0005017602,0.0005046222,0.00001774136,0.0004203796,0.000004334146],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992477,0.00003151573,0.00002985714,0.00002430289,0.000001082571,0.000003560153,0.0001718835,0.000002241462,0.0004879583],"genre_scores_gemma":[0.9989834,0.00004888629,0.0001122226,0.00001845709,8.66614e-7,0.000002494441,0.0001959831,0.000002088306,0.0006356034],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01997846,"threshold_uncertainty_score":0.07924622,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005895906592738784,"score_gpt":0.1637274386801154,"score_spread":0.1578315320873766,"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."}}