{"id":"W4408656095","doi":"10.2139/ssrn.5186900","title":"Estimating Canadian Landfill Methane Emissions from Aircraft Measurements","year":2025,"lang":"en","type":"preprint","venue":"SSRN Electronic Journal","topic":"Vehicle emissions and performance","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Memorial University of Newfoundland; St. Francis Xavier University","funders":"","keywords":"Methane emissions; Methane; Environmental science; Landfill gas; Waste management; Environmental engineering; Engineering; Chemistry","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":[0.0004788866,0.000988457,0.0004639268,0.00159144,0.001434854,0.001189962,0.0006720251,0.0006447081,0.001703048],"category_scores_gemma":[0.001552591,0.0003801887,0.0006063778,0.002744392,0.000246644,0.0006533742,0.0003906577,0.0004450203,0.0004674735],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0106891,"about_ca_system_score_gemma":0.009664514,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9820579,"about_ca_topic_score_gemma":0.9860847,"domain_scores_codex":[0.999624,0.00002407192,0.000007920486,0.00007052454,0.0001763464,0.00009709507],"domain_scores_gemma":[0.9996096,0.00007250617,0.0000202313,0.00002322645,0.0002568259,0.00001761188],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"observational","study_design_scores_codex":[0.001271021,0.0002637707,0.3001176,0.0004521325,0.0004712365,0.0003604091,0.0004351987,0.4842044,0.03719548,0.003523333,0.008820387,0.1628851],"study_design_scores_gemma":[0.00008843927,0.00009822907,0.4682109,0.00006953665,0.000236734,0.00004933981,0.0005016872,0.4862953,0.03060068,0.001011461,0.0127231,0.0001146466],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9653962,0.0007510876,0.0124914,0.0001783921,0.00002966076,0.0000799166,0.008665081,0.0003954656,0.01201288],"genre_scores_gemma":[0.9840848,0.0004193604,0.007387311,0.00002127534,0.000006652236,0.00003109391,0.004062694,0.00006653368,0.003920237],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01794207,"threshold_uncertainty_score":0.07755518,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01751351355868131,"score_gpt":0.2516842865111136,"score_spread":0.2341707729524323,"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."}}