{"id":"W1485278182","doi":"10.1023/a:1019820208377","title":"Stable carbon isotope signatures of background tropospheric chloromethane and CFC113","year":2002,"lang":"en","type":"article","venue":"Biogeochemistry","topic":"Atmospheric and Environmental Gas Dynamics","field":"Environmental Science","cited_by":56,"is_retracted":false,"has_abstract":false,"ca_institutions":"York University","funders":"National Institute of Water and Atmospheric Research; Brookhaven National Laboratory; American Association of University Women","keywords":"Northern Hemisphere; Isotope; Atmospheric sciences; Troposphere; Southern Hemisphere; Arctic; Isotopes of carbon; Environmental science; Carbon fibers; Isotope-ratio mass spectrometry; Stable isotope ratio; Environmental chemistry; Climatology; Chemistry; Geology; Oceanography; Total organic carbon; Mathematics; Physics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.00005198708,0.0001589772,0.0001705636,0.000002594732,0.00004313977,0.00000974814,0.000159114,0.0001285114,0.002862341],"category_scores_gemma":[0.000009022004,0.0001514099,0.00004114409,0.0001659037,0.000323641,0.00005813851,0.0001820621,0.0001019303,0.000009667256],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008865034,"about_ca_system_score_gemma":0.000001999566,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005305621,"about_ca_topic_score_gemma":0.000004319901,"domain_scores_codex":[0.9991239,0.00001025946,0.0001683196,0.0002832245,0.0001868352,0.0002274302],"domain_scores_gemma":[0.9995662,0.00002310403,0.00007701878,0.0002441906,0.000002387354,0.00008708078],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00006232769,0.0005343929,0.2933976,0.0001761772,0.00008135714,0.00002332066,0.0004073764,0.006177544,0.6826107,0.00003082522,0.002024992,0.01447342],"study_design_scores_gemma":[0.004377996,0.0006433979,0.2388975,0.0001758681,0.0003381971,0.0001005672,0.002716036,0.220614,0.4674911,0.0008585682,0.06082903,0.002957649],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9675543,0.001143466,0.00007757531,0.0000646371,0.00003524308,0.00007977679,0.000006832579,0.00002050632,0.03101772],"genre_scores_gemma":[0.9895883,0.0002955422,0.003878528,0.00007959152,0.00001701281,0.000006512423,0.000005107525,0.00001064588,0.006118807],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2151195,"threshold_uncertainty_score":0.9980492,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007645864515434767,"score_gpt":0.1842010183710311,"score_spread":0.1765551538555963,"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."}}