{"id":"W2995852962","doi":"","title":"Limitations of the isotopic composition of nitrates as a tracer of their origin","year":2018,"lang":"en","type":"article","venue":"HAL (Le Centre pour la Communication Scientifique Directe)","topic":"Methane Hydrates and Related Phenomena","field":"Environmental Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"","keywords":"TRACER; Composition (language); Environmental chemistry; Environmental science; Chemistry; Computer science; Nuclear physics; Physics; Philosophy","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":[0.03473265,0.001218105,0.002093144,0.002234516,0.001298404,0.004672089,0.003714823,0.003847375,0.002968122],"category_scores_gemma":[0.03557796,0.000777831,0.0007636102,0.002477715,0.004138902,0.004968481,0.002992485,0.002378043,0.001957621],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001883793,"about_ca_system_score_gemma":0.003249475,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007470451,"about_ca_topic_score_gemma":0.01229096,"domain_scores_codex":[0.985407,0.006209758,0.0008180809,0.002909106,0.004222627,0.0004333615],"domain_scores_gemma":[0.9608443,0.0231342,0.002578356,0.003413851,0.009002882,0.00102642],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.002553254,0.0002517701,0.1078632,0.005617617,0.001014128,0.0003527412,0.001567841,0.005994774,0.5587968,0.01994949,0.0140584,0.2819799],"study_design_scores_gemma":[0.0002363853,0.001094377,0.07237519,0.001785964,0.001354904,0.003235333,0.004003641,0.03995917,0.5152184,0.1155366,0.2447722,0.0004278467],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.4215097,0.06972174,0.3732083,0.05081854,0.007970656,0.0006048147,0.006396716,0.001754843,0.06801476],"genre_scores_gemma":[0.8263683,0.03565218,0.1118016,0.008643646,0.004334588,0.0006791716,0.001525592,0.0006990242,0.01029584],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03473265,"threshold_uncertainty_score":0.183686,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02266651514210467,"score_gpt":0.2198762772528402,"score_spread":0.1972097621107355,"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."}}