{"id":"W4409482337","doi":"10.1038/s41561-025-01678-4","title":"Archaean oxygen oases driven by pulses of enhanced phosphorus recycling in the ocean","year":2025,"lang":"en","type":"article","venue":"Nature Geoscience","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"Lakehead University","funders":"H2020 Marie Skłodowska-Curie Actions; Horizon 2020 Framework Programme; Agence Nationale de la Recherche","keywords":"Anoxic waters; Archean; Oxygen; Biogeochemistry; Anoxygenic photosynthesis; Early Earth; Phosphorus; Carbon cycle; Environmental science; Environmental chemistry; Earth science; Oxygen evolution; Oxygen minimum zone; Geology; Oceanography; Geochemistry; Photosynthesis; Chemistry; Ecology; Ecosystem; Phototroph; Upwelling; Biology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.000116808,0.0001308969,0.0001529615,0.0004591702,0.000472022,0.0006325687,0.0001679572,0.000251701,0.000672991],"category_scores_gemma":[0.0002962233,0.0001955632,0.0001043311,0.0004618281,0.0004992363,0.0002251867,0.000526587,0.0002611291,0.0001845316],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005578216,"about_ca_system_score_gemma":0.0003913275,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02031642,"about_ca_topic_score_gemma":0.04405686,"domain_scores_codex":[0.9999417,0.000003101799,0.000003055027,0.00002184205,0.00001517582,0.00001509952],"domain_scores_gemma":[0.9999012,0.00001091795,0.00003002814,0.00001184129,0.00002549817,0.00002055493],"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":[0.0007841051,0.00003281649,0.4600629,0.0001208128,0.00006492588,0.001037217,0.002425556,0.0007720959,0.510548,0.0009594673,0.0003574668,0.02283463],"study_design_scores_gemma":[0.000008696665,0.00004363033,0.9865801,0.00001551709,0.00001650542,0.0002455385,0.0006126504,0.0004844266,0.009630432,0.0001949401,0.002158692,0.000008970237],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9983659,0.0001580032,0.000300084,0.00002740569,0.000002884767,0.000002022247,0.0001045646,0.00002219017,0.001016987],"genre_scores_gemma":[0.9987462,0.0001307229,0.0004303717,0.00002556593,0.000003673632,0.000003306523,0.0001552368,0.000007371074,0.0004975796],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02031642,"threshold_uncertainty_score":0.04039633,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005937787035320536,"score_gpt":0.2395776553019444,"score_spread":0.2336398682666239,"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."}}