{"id":"W4399311505","doi":"10.1016/b978-0-323-99762-1.00037-1","title":"Alkalinity and elemental cycles in present and past ocean: Insight from geochemical modeling and alkali and alkaline earth metal isotopes","year":2024,"lang":"en","type":"book-chapter","venue":"Treatise on Geochemistry","topic":"Geochemistry and Elemental Analysis","field":"Earth and Planetary Sciences","cited_by":9,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Saskatchewan","funders":"","keywords":"Alkalinity; Alkaline earth metal; Alkali metal; Isotope; Geology; Earth (classical element); Geochemistry; Earth science; Chemistry; Nuclear physics; Physics; Physical chemistry","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":[0.0001035541,0.00041159,0.0003624069,0.0003578758,0.0002225458,0.001352959,0.0005941485,0.0004935509,0.003177403],"category_scores_gemma":[0.0002062183,0.0002953322,0.0004875157,0.001053259,0.0007577788,0.002029883,0.0004093215,0.0006499041,0.0006491538],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008473211,"about_ca_system_score_gemma":0.0006018333,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008459127,"about_ca_topic_score_gemma":0.01564413,"domain_scores_codex":[0.9999751,0.000003029961,0.000001471298,0.000007692931,0.00001049172,0.000002299186],"domain_scores_gemma":[0.9999706,0.00001583436,0.000003369134,0.000003410432,0.000005130398,0.000001766983],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0001397259,0.00009599387,0.0107041,0.0006890042,0.000169551,0.0002791399,0.0005015027,0.114809,0.02135594,0.4916875,0.02587172,0.3336968],"study_design_scores_gemma":[0.00001283841,0.00006128925,0.01139034,0.0001695329,0.00007986303,0.0003020632,0.000375411,0.07579288,0.006609204,0.6884218,0.216734,0.00005073673],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.1579382,0.2397235,0.166301,0.01349221,0.001561877,0.00003734647,0.002733598,0.0007524058,0.4174597],"genre_scores_gemma":[0.5888501,0.1763438,0.03344562,0.001168971,0.0007471752,0.00004175612,0.00107978,0.0004134061,0.1979094],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.008459127,"threshold_uncertainty_score":0.01681978,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01359937253836247,"score_gpt":0.2102367700256856,"score_spread":0.1966373974873232,"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."}}