{"id":"W1984065869","doi":"10.1029/2006jd007471","title":"CO<sub>2</sub> isotopes as tracers of firn air diffusion and age in an Arctic ice cap with summer melting, Devon Island, Canada","year":2007,"lang":"en","type":"article","venue":"Journal of Geophysical Research Atmospheres","topic":"Cryospheric studies and observations","field":"Earth and Planetary Sciences","cited_by":42,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary; Canadian Light Source (Canada); University of Saskatchewan; Environment and Climate Change Canada; Geological Survey of Canada; Carleton University; University of Ottawa","funders":"","keywords":"Firn; Accumulation zone; Geology; Ice core; Arctic; Glacier; Atmospheric sciences; Greenland ice sheet; Mineralogy; Sea ice; Geomorphology; Climatology; Oceanography; Ice stream; Cryosphere","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":[0.0001941678,0.0003357668,0.0002344452,0.0005423873,0.001316036,0.0006419533,0.0005000236,0.0002381118,0.0004625806],"category_scores_gemma":[0.0002394466,0.000260487,0.0001857477,0.000483444,0.0004117184,0.0002572028,0.0002399231,0.0002207284,0.00007224896],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01132191,"about_ca_system_score_gemma":0.003847905,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9619317,"about_ca_topic_score_gemma":0.9797819,"domain_scores_codex":[0.9998956,0.000004650111,0.000002529374,0.0000291535,0.00004107579,0.00002696343],"domain_scores_gemma":[0.9997867,0.00001942627,0.00002412576,0.000007022455,0.000121272,0.00004150294],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0007813557,0.00008611376,0.8083594,0.00007329207,0.0001225238,0.0003476566,0.001519014,0.007000278,0.1619885,0.0006153575,0.0008357702,0.01827086],"study_design_scores_gemma":[0.00001425719,0.00004198246,0.9760808,0.00001112673,0.00002117752,0.0000697966,0.0005427062,0.007416688,0.01327682,0.00007037085,0.002438459,0.00001584006],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9974353,0.0003404586,0.0002922761,0.00003236314,0.000003739645,0.000008757741,0.000487365,0.00001240403,0.001387516],"genre_scores_gemma":[0.997207,0.0002168011,0.0007726053,0.0000232328,0.000001844889,0.000008304744,0.0005098448,0.00001092007,0.001249354],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03806829,"threshold_uncertainty_score":0.08214653,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02393861634409354,"score_gpt":0.2812951093805464,"score_spread":0.2573564930364529,"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."}}