{"id":"W2125036396","doi":"10.1029/2002wr001278","title":"Knudsen diffusion, gas permeability, and water content in an unconsolidated porous medium","year":2002,"lang":"en","type":"article","venue":"Water Resources Research","topic":"Groundwater flow and contamination studies","field":"Environmental Science","cited_by":97,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Knudsen diffusion; Knudsen number; Saturation (graph theory); Diffusion; Porous medium; Permeability (electromagnetism); Gaseous diffusion; Soil vapor extraction; Porosity; Thermodynamics; Effective diffusion coefficient; Chemistry; Silt; Vapor pressure; Materials science; Analytical Chemistry (journal); Chromatography; Geology; Organic chemistry; Physical chemistry","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003154826,0.0002224781,0.0001571603,0.0005446299,0.0001747995,0.0003161022,0.0002000921,0.0002433001,0.0001857755],"category_scores_gemma":[0.001174727,0.0002047123,0.0001445385,0.0004023191,0.0006025688,0.0004933769,0.0002258449,0.0002275557,0.00004527068],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004797477,"about_ca_system_score_gemma":0.0002370928,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005888467,"about_ca_topic_score_gemma":0.003533626,"domain_scores_codex":[0.9998816,0.00002067721,0.00000641871,0.0000224664,0.00003903605,0.00002976633],"domain_scores_gemma":[0.9992996,0.0004684813,0.0001283756,0.00001566789,0.00005635955,0.00003144939],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0002915011,0.00002209084,0.00803981,0.00004922038,0.00001513182,0.0001085464,0.00009139589,0.007844079,0.9805228,0.0005235469,0.00001959226,0.002472359],"study_design_scores_gemma":[0.00001961697,0.0002672235,0.03845457,0.00001010745,0.00002857343,0.0001943825,0.0001073704,0.05698987,0.9029351,0.0005367909,0.0004178395,0.00003863671],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981725,0.0001962926,0.001391064,0.0000109929,0.000001300037,0.00000209981,0.00004132039,0.00001071402,0.0001736365],"genre_scores_gemma":[0.9990155,0.0001423826,0.0006729868,0.000002129154,7.738358e-7,0.000003638062,0.0000516878,0.000001935581,0.0001091261],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005888467,"threshold_uncertainty_score":0.01170838,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0757360851086316,"score_gpt":0.2918455182877174,"score_spread":0.2161094331790858,"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."}}