{"id":"W2016291393","doi":"10.1016/j.dsr.2012.06.003","title":"Nitrogen isotope gradients off Peru and Ecuador related to upwelling, productivity, nutrient uptake and oxygen deficiency","year":2012,"lang":"en","type":"article","venue":"Deep Sea Research Part I Oceanographic Research Papers","topic":"Marine and coastal ecosystems","field":"Earth and Planetary Sciences","cited_by":65,"is_retracted":false,"has_abstract":false,"ca_institutions":"Dalhousie University","funders":"","keywords":"Upwelling; Oceanography; Photic zone; Water column; Phytoplankton; Nitrate; New production; Oxygen minimum zone; Productivity; Isotopes of nitrogen; Environmental science; Surface water; Redfield ratio; Subsurface flow; Nutrient; Environmental chemistry; Nitrogen; Geology; Chemistry; Ecology; Biology; Groundwater","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","sts"],"consensus_categories":[],"category_scores_codex":[0.01287333,0.0003688155,0.0004320696,0.001654095,0.001747538,0.0004557585,0.0007109158,0.0002097382,0.0008157723],"category_scores_gemma":[0.0009405073,0.0003060804,0.0001190301,0.004182178,0.0009845113,0.000677141,0.0004624566,0.001318126,0.0003437953],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002880419,"about_ca_system_score_gemma":0.0001557415,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001904629,"about_ca_topic_score_gemma":0.003057617,"domain_scores_codex":[0.9905033,0.001810092,0.0005676377,0.001174109,0.002928267,0.003016579],"domain_scores_gemma":[0.9957678,0.000681076,0.0000724755,0.0007821625,0.0005824374,0.002114003],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002000033,0.0001968856,0.8990685,0.0001905416,0.00007290901,0.00005026869,0.001610091,0.00001816072,0.00008964349,0.0004582884,0.00206361,0.09598105],"study_design_scores_gemma":[0.0009968721,0.001924611,0.6398544,0.0001542959,0.0000247038,0.0001508433,0.005485566,0.002268686,0.0001979918,0.002039997,0.3461054,0.0007966219],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.960051,0.008387512,0.000001794819,0.0009756465,0.0002137541,0.002087276,0.00007439263,0.00007619229,0.02813242],"genre_scores_gemma":[0.9923334,0.005887257,0.00008160977,0.00007012436,0.0002186619,0.00006542074,0.0001065511,0.00002701267,0.001210028],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3440418,"threshold_uncertainty_score":0.9999391,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04196501801985673,"score_gpt":0.2970514440860511,"score_spread":0.2550864260661943,"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."}}