{"id":"W1982926766","doi":"10.1016/s0048-9697(01)01149-4","title":"Historical changes in lead concentrations in tree-rings of sycamore, oak and Scots pine in north-west England","year":2002,"lang":"en","type":"article","venue":"The Science of The Total Environment","topic":"Heavy metals in environment","field":"Environmental Science","cited_by":66,"is_retracted":false,"has_abstract":false,"ca_institutions":"Trent University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Scots pine; Acer pseudoplatanus; Quercus robur; Deposition (geology); Botany; Aceraceae; Peat; Chemistry; Picea abies; Environmental science; Horticulture; Pinus <genus>; Geology; Biology; Ecology; Maple","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":[0.0002367034,0.0001389462,0.0003348929,0.0009589462,0.000690951,0.0007283012,0.0003568883,0.0003631564,0.001122412],"category_scores_gemma":[0.0008701763,0.0002359546,0.0001556638,0.001055378,0.0006843266,0.0005901364,0.0006234882,0.0003065805,0.0002936482],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001464908,"about_ca_system_score_gemma":0.0004206454,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.255531,"about_ca_topic_score_gemma":0.604839,"domain_scores_codex":[0.9997635,0.00003610386,0.00002529375,0.00006845771,0.00004514722,0.00006140818],"domain_scores_gemma":[0.9989201,0.0001923747,0.0003005261,0.00002852604,0.0003813773,0.0001771078],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002654826,0.00002657598,0.9915037,0.00005078856,0.0000510838,0.0004053546,0.003151641,0.0001326045,0.001819303,0.00005158925,0.000201178,0.002340751],"study_design_scores_gemma":[0.000001051018,0.00001280119,0.9989322,0.000002412967,0.000005627436,0.00005841529,0.0006643554,0.00002242167,0.0000607105,0.000004935797,0.000233286,0.000001750076],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9991363,0.0001698311,0.00002950547,0.00002641626,0.000003422352,0.000001831934,0.0002547075,0.000001682971,0.0003763484],"genre_scores_gemma":[0.9986909,0.0001438969,0.000036698,0.00001750033,0.000003641031,0.000002692212,0.0002410335,0.000001554953,0.0008621013],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.255531,"threshold_uncertainty_score":0.5080873,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01697697680529742,"score_gpt":0.2014230544651997,"score_spread":0.1844460776599023,"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."}}