{"id":"W4413848498","doi":"10.1016/j.gca.2025.08.041","title":"Microbial transformation and mineral adsorption control chemical evolution of soil organic matter during semi-arid ecosystem development","year":2025,"lang":"en","type":"article","venue":"Geochimica et Cosmochimica Acta","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Saskatchewan","funders":"Division of Chemistry; National Research Council Canada; Western Economic Diversification Canada; U.S. Department of Agriculture; Natural Sciences and Engineering Research Council of Canada; State of Florida; National Science Foundation; Canadian Institutes of Health Research; University of Wyoming; Office of Experimental Program to Stimulate Competitive Research; U.S. Environmental Protection Agency; Division of Materials Research; University of Saskatchewan","keywords":"Arid; Environmental chemistry; Organic matter; Adsorption; Ecosystem; Environmental science; Mineral; Soil organic matter; Earth science; Chemistry; Soil science; Soil water; Ecology; Geology; Biology","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000150725,0.0001810583,0.0001491563,0.0004917652,0.0001972115,0.0003932934,0.0002101831,0.0002272745,0.0002793185],"category_scores_gemma":[0.000254787,0.0001989157,0.0001474527,0.0003321052,0.0002571248,0.0003292622,0.0003111648,0.000176365,0.0001037367],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002833042,"about_ca_system_score_gemma":0.0001756884,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004697523,"about_ca_topic_score_gemma":0.008638047,"domain_scores_codex":[0.9999034,0.00001424573,0.000008057502,0.00003585584,0.0000153149,0.00002313449],"domain_scores_gemma":[0.9997594,0.00003520866,0.00009900736,0.000008968139,0.00004699897,0.00005048754],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002824248,0.00003945829,0.6201797,0.00008752818,0.00006222139,0.0001828203,0.000602196,0.0002845989,0.3713726,0.00006901404,0.00003218904,0.006805419],"study_design_scores_gemma":[0.000001032546,0.00002470873,0.9975128,0.000001707988,0.000005367182,0.00003358404,0.0001134832,0.0002086342,0.002003219,0.00001655957,0.00007670788,0.00000216261],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9996628,0.00008853167,0.00006731911,0.000002769831,3.041495e-7,0.000001547376,0.0000630751,0.000001728051,0.0001119192],"genre_scores_gemma":[0.9995635,0.0000642391,0.0001525398,0.000004736154,8.730493e-7,0.000003776088,0.000137571,0.000001246588,0.00007153087],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004697523,"threshold_uncertainty_score":0.009340405,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004492435503935999,"score_gpt":0.1818661796506736,"score_spread":0.1773737441467376,"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."}}