{"id":"W4391656807","doi":"10.1575/1912/67600","title":"Investigating the ocean’s biological pump using thorium-235 and polonium-210","year":2024,"lang":"en","type":"dissertation","venue":"","topic":"Marine and coastal ecosystems","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Environment Research Council; Ocean Frontier Institute; National Aeronautics and Space Administration","keywords":"Biological pump; Biogenic silica; Environmental science; Oceanography; Atmosphere (unit); Photic zone; Flux (metallurgy); Earth science; Environmental chemistry; Carbon cycle; Phytoplankton; Chemistry; Ecosystem; Geology; Ecology; Meteorology; Nutrient; Geography","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002003347,0.0001835499,0.0001398447,0.0002413437,0.0002307622,0.0006786114,0.0002408472,0.0002848184,0.0007329268],"category_scores_gemma":[0.0001628295,0.0001883767,0.000250109,0.0002833207,0.0002866354,0.0004286998,0.000347416,0.0005158591,0.0002560787],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006239953,"about_ca_system_score_gemma":0.0003984892,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003358701,"about_ca_topic_score_gemma":0.004639112,"domain_scores_codex":[0.9999138,0.000006611462,0.000003833246,0.00003038678,0.00002872102,0.00001665992],"domain_scores_gemma":[0.9999427,0.00001854224,0.000016538,0.000005706758,0.00001099754,0.000005533443],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0000987333,0.00003605445,0.004463939,0.0001421995,0.00001374393,0.00008299973,0.0001766401,0.0004936597,0.9742432,0.001687624,0.000215358,0.01834595],"study_design_scores_gemma":[0.00001806817,0.0008867687,0.03493075,0.00006479208,0.00007659693,0.0003396613,0.0006525556,0.003847614,0.9332411,0.001230997,0.02466259,0.00004841535],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9706168,0.004896485,0.01331706,0.0002565451,0.0000603789,0.00004414374,0.0003898554,0.00009994466,0.01031871],"genre_scores_gemma":[0.9580799,0.007919056,0.02061026,0.0002447529,0.00002156953,0.00008199127,0.0005248707,0.00006299553,0.01245459],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003358701,"threshold_uncertainty_score":0.006678283,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03150863851326491,"score_gpt":0.2472613817358923,"score_spread":0.2157527432226274,"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."}}