{"id":"W2145027955","doi":"10.5194/bg-13-1453-2016","title":"Nitrogen cycling in shallow low-oxygen coastal waters off Peru from nitrite and nitrate nitrogen and oxygen isotopes","year":2016,"lang":"en","type":"article","venue":"Biogeosciences","topic":"Marine and coastal ecosystems","field":"Earth and Planetary Sciences","cited_by":54,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Sciences and Engineering Research Council of Canada; Deutsche Forschungsgemeinschaft; National Science Foundation","keywords":"Upwelling; Isotopes of nitrogen; Nitrate; Environmental chemistry; δ18O; Isotope fractionation; Stable isotope ratio; Nitrogen; Isotopes of oxygen; Equilibrium fractionation; Cycling; Dominance (genetics); Isotopic signature; Seawater; Anoxic waters; Fractionation; Oceanography; Isotope; Chemistry; Geology","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005430903,0.0002608694,0.0003162434,0.0002068572,0.0002491579,0.000249299,0.0003543627,0.0001006359,0.0003661815],"category_scores_gemma":[0.00006847207,0.0001631199,0.00005610901,0.0003141981,0.0003384902,0.0006720126,0.0001056143,0.00008985218,0.0000908587],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000005147799,"about_ca_system_score_gemma":0.00007441278,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.05676414,"about_ca_topic_score_gemma":0.06398854,"domain_scores_codex":[0.9978903,0.0001205335,0.0003833428,0.0006744254,0.0003537395,0.0005776646],"domain_scores_gemma":[0.9991422,0.0002461623,0.000110473,0.0001855879,0.00003519855,0.0002804113],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004407989,0.00001261148,0.9513514,0.00001380628,0.00001130816,0.00002500346,0.0002177804,0.000002102219,0.00310988,0.000011408,0.00002546351,0.04517513],"study_design_scores_gemma":[0.001019594,0.0002394331,0.9827161,0.0001599852,0.000022786,0.00004279243,0.001526379,0.002255839,0.002055622,0.005335458,0.004023787,0.0006021779],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9952878,0.001561807,0.00001729689,0.0004376565,0.0002060914,0.0002444011,0.0005744729,0.00004462116,0.001625797],"genre_scores_gemma":[0.9983698,0.0008378775,0.0002364742,0.0001806683,0.0001285964,0.000004794402,0.00005423284,0.000005946713,0.0001815871],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04457295,"threshold_uncertainty_score":0.9530912,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01042070932698896,"score_gpt":0.1911346569451272,"score_spread":0.1807139476181382,"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."}}