{"id":"W2037780565","doi":"10.1080/15230430.2000.12003370","title":"A Quantitative Definition of Light Rings in Black Spruce ( <i>Picea mariana</i> ) at the Arctic Treeline in Northern Québec, Canada","year":2000,"lang":"en","type":"article","venue":"Arctic Antarctic and Alpine Research","topic":"Tree-ring climate responses","field":"Earth and Planetary Sciences","cited_by":27,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université Laval; Center for Northern Studies","funders":"","keywords":"Black spruce; Dendrochronology; The arctic; Arctic; Ring (chemistry); Chronology; Atmospheric sciences; Picea abies; Physical geography; Geology; Biology; Paleontology; Taiga; Ecology; Geography; Chemistry; Oceanography","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":[0.0002607263,0.0001219472,0.0001028919,0.001279663,0.0004777627,0.0004346763,0.0001996501,0.0001167512,0.0003920384],"category_scores_gemma":[0.000548606,0.0001012241,0.00007856515,0.0004906062,0.0003214218,0.0001423857,0.0002181703,0.00009644668,0.00005216987],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001361393,"about_ca_system_score_gemma":0.000571722,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.3352558,"about_ca_topic_score_gemma":0.6710598,"domain_scores_codex":[0.9998658,0.00001911027,0.000007569362,0.00003532202,0.0000355906,0.000036482],"domain_scores_gemma":[0.9993876,0.00007613212,0.0001829641,0.00002277128,0.000226727,0.0001037001],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001341153,0.00002049245,0.9507548,0.00003135393,0.00003889947,0.00007247224,0.0008313276,0.0004348816,0.03993138,0.0001016034,0.00009892178,0.00754982],"study_design_scores_gemma":[3.356273e-7,0.000005526906,0.999496,0.000001139808,0.00000200068,0.00001318768,0.0001070293,0.00008314251,0.0002313425,0.000002980601,0.00005630916,0.000001070141],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.999491,0.00006555008,0.00009129709,0.000001899615,4.355227e-7,0.000002938734,0.0000972931,0.000002597649,0.0002468793],"genre_scores_gemma":[0.9994376,0.0000323031,0.0001949727,0.000002400099,7.669473e-7,0.000003781739,0.00015723,0.000001438947,0.0001694904],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6647442,"threshold_uncertainty_score":0.6666088,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0343230903595407,"score_gpt":0.271083549228813,"score_spread":0.2367604588692723,"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."}}