{"id":"W2005421827","doi":"10.1016/j.dsr.2009.04.008","title":"The relationship between dissolved hydrogen and nitrogen fixation in ocean waters","year":2009,"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":39,"is_retracted":false,"has_abstract":false,"ca_institutions":"Dalhousie University","funders":"Natural Sciences and Engineering Research Council of Canada; Gordon and Betty Moore Foundation; National Science Foundation","keywords":"Nitrogen fixation; Ocean gyre; Transect; Nitrogen; Oceanography; Diazotroph; Supersaturation; Environmental science; Denitrification; Nitrogenase; Atmospheric sciences; Environmental chemistry; Chemistry; Geology; Subtropics; Biology; Ecology","routes":{"ca_aff":true,"ca_fund":true,"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":["sts"],"consensus_categories":[],"category_scores_codex":[0.01327885,0.0002181021,0.0002591091,0.001044793,0.002058608,0.0005224077,0.0007532873,0.000174057,0.0001208366],"category_scores_gemma":[0.001801042,0.0001519055,0.0001033524,0.00330602,0.0007702655,0.0004091075,0.00009383684,0.001467508,0.0001055965],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002815187,"about_ca_system_score_gemma":0.0001424565,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001830494,"about_ca_topic_score_gemma":0.008165701,"domain_scores_codex":[0.9920896,0.002780808,0.0005268122,0.0006383904,0.002221117,0.001743297],"domain_scores_gemma":[0.9933668,0.005138095,0.00006437041,0.000572631,0.0002626776,0.000595465],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001088387,0.00001937405,0.9613959,0.00002530696,0.00002250765,0.0000291113,0.0002969904,0.00004147798,0.000009636802,0.0004785648,0.0006664707,0.0369058],"study_design_scores_gemma":[0.0004487586,0.0004639569,0.9632076,0.00005657949,0.000004625337,0.000006445879,0.001560542,0.00209456,0.00002612577,0.01485761,0.01706644,0.000206762],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9740461,0.001062145,0.0000014558,0.004051259,0.00004025713,0.0009781613,0.00003347667,0.00004439208,0.01974279],"genre_scores_gemma":[0.9978541,0.00106326,0.00001341996,0.00004171304,0.0001811364,0.00001120797,0.0002771105,0.000009998846,0.0005480644],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03669904,"threshold_uncertainty_score":0.9992406,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0772382690852029,"score_gpt":0.3241600245739594,"score_spread":0.2469217554887565,"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."}}