{"id":"W4384928185","doi":"10.22541/essoar.168987145.58845971/v1","title":"Dune geometry and the associated hydraulic roughness at the transition from a fluvial to tidal regime at low river discharge","year":2023,"lang":"en","type":"preprint","venue":"","topic":"Hydrology and Sediment Transport Processes","field":"Environmental Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Fluvial; Bedform; Geology; Geomorphology; Hydraulic roughness; Hydrology (agriculture); Sediment transport; Bathymetry; Tidal river; Beach morphodynamics; Roughness length; Surface finish; Sediment; Geometry; Estuary; Geotechnical engineering; Oceanography; Structural basin","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":[0.0001016362,0.0001883368,0.0001537417,0.0002202358,0.0002226854,0.0006390348,0.0002580849,0.0003610883,0.0005140427],"category_scores_gemma":[0.0005651954,0.00017029,0.0002126624,0.0002209581,0.000329196,0.0002989963,0.0002100825,0.0002134349,0.00005641152],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001062283,"about_ca_system_score_gemma":0.0005267865,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1440236,"about_ca_topic_score_gemma":0.1334887,"domain_scores_codex":[0.9999355,0.000007776011,0.000003359432,0.00002423978,0.00001099578,0.00001820764],"domain_scores_gemma":[0.9998966,0.00002850746,0.00002018205,0.00001550203,0.0000232013,0.0000159228],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001179657,0.0001171194,0.6416993,0.00003196961,0.00006310351,0.000253211,0.0002957967,0.3274856,0.01713104,0.0004946153,0.0004711908,0.01183901],"study_design_scores_gemma":[0.00001359845,0.00002791256,0.6527281,0.000006816224,0.00001420539,0.00005277973,0.0002038084,0.345049,0.001486097,0.0001581052,0.0002332596,0.00002635896],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9990314,0.000009522641,0.0004508792,0.00001653179,8.91883e-7,0.000002562925,0.0001350148,0.00003891402,0.0003142996],"genre_scores_gemma":[0.9996877,0.000007041784,0.0001526299,0.000003105249,2.605372e-7,0.000001253475,0.00007969823,0.000002472483,0.00006589571],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1440236,"threshold_uncertainty_score":0.2863705,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01038471112762051,"score_gpt":0.2142288255601612,"score_spread":0.2038441144325407,"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."}}