{"id":"W2142267820","doi":"10.5194/tc-6-909-2012","title":"Thin-layer effects in glaciological seismic amplitude-versus-angle (AVA) analysis: implications for characterising a subglacial till unit, Russell Glacier, West Greenland","year":2012,"lang":"en","type":"article","venue":"˜The œcryosphere","topic":"Cryospheric studies and observations","field":"Earth and Planetary Sciences","cited_by":74,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Environment Research Council; Aberystwyth University; Leverhulme Trust; University of Leeds; Swansea University; Sight Research UK; Nuclear Waste Management Organization","keywords":"Geology; Dilatant; Glacier; Geomorphology; Amplitude; Geotechnical engineering; Optics","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0008774587,0.0003717611,0.0002663298,0.0006032214,0.0003304941,0.0009647125,0.0005621208,0.0004712188,0.0004268285],"category_scores_gemma":[0.001643564,0.0001700372,0.0003252349,0.0006123751,0.0004768424,0.0003305458,0.0002911854,0.0001941976,0.00006924653],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001340288,"about_ca_system_score_gemma":0.0009295178,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1181295,"about_ca_topic_score_gemma":0.1695361,"domain_scores_codex":[0.9998597,0.00004742188,0.00001338239,0.00002371805,0.00003525843,0.00002048531],"domain_scores_gemma":[0.9994967,0.0002732778,0.00006283254,0.00004296313,0.00007396511,0.00005024691],"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":[0.0003976574,0.0002156954,0.192703,0.00008544912,0.0001017367,0.000678335,0.0005969362,0.7328849,0.04481332,0.0005995493,0.0003827218,0.02654058],"study_design_scores_gemma":[0.00005670056,0.0001654145,0.2037318,0.00001856899,0.00006496599,0.00009062236,0.0004383164,0.7879681,0.006715348,0.0003902313,0.000323293,0.00003665545],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9972465,0.00002959302,0.002114548,0.00003831067,0.000002248776,0.00001978065,0.0001161626,0.00008910803,0.0003438328],"genre_scores_gemma":[0.9952378,0.00002276563,0.004464012,0.00001331769,0.000001233066,0.000008193142,0.0001124082,0.00001650467,0.0001239061],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1181295,"threshold_uncertainty_score":0.2348838,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04535166159690387,"score_gpt":0.2740690683338905,"score_spread":0.2287174067369866,"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."}}