{"id":"W2103737080","doi":"10.1016/j.advwatres.2012.08.001","title":"Necessary conditions for inverse modeling of flow through variably saturated porous media","year":2012,"lang":"en","type":"article","venue":"Advances in Water Resources","topic":"Groundwater flow and contamination studies","field":"Environmental Science","cited_by":49,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"University of Waterloo; Strategic Environmental Research and Development Program; National Science Foundation","keywords":"Vadose zone; Hydraulic conductivity; Porous medium; Inverse problem; Hydraulic head; Aquifer; Pressure head; Boundary value problem; Flow (mathematics); Flux (metallurgy); Inverse; Richards equation; A priori and a posteriori; Residual; Head (geology); Water content; Mathematics; Geotechnical engineering; Soil science; Environmental science; Geology; Soil water; Porosity; Groundwater; Mathematical analysis; Materials science; Geometry; Physics; Thermodynamics; Algorithm","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":[0.001447126,0.001306695,0.001379506,0.001257223,0.0007754287,0.002289517,0.001276572,0.00235663,0.003487131],"category_scores_gemma":[0.01401517,0.001046628,0.001254864,0.0005938559,0.002010467,0.002553653,0.002038386,0.002393075,0.000621471],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007931284,"about_ca_system_score_gemma":0.002237521,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007809593,"about_ca_topic_score_gemma":0.004473905,"domain_scores_codex":[0.9992448,0.0002453919,0.00005128662,0.0001027945,0.0002590316,0.00009665818],"domain_scores_gemma":[0.995834,0.002979478,0.0002970341,0.0001534244,0.0006217454,0.000114318],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00009278623,0.00008962002,0.0008686921,0.0003048158,0.00003696784,0.0003471378,0.0002561878,0.7754489,0.01131206,0.1974397,0.002168699,0.01163436],"study_design_scores_gemma":[0.00001374875,0.00001300049,0.0001322144,0.00001950076,0.000008756322,0.00003023627,0.00003459218,0.9712191,0.001995188,0.02587328,0.0006440868,0.00001622376],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.0241495,0.000461834,0.9659431,0.0007334069,0.00010966,0.00009393766,0.0003650844,0.0003091359,0.007834397],"genre_scores_gemma":[0.7705666,0.001659778,0.213302,0.0003351094,0.0003124374,0.0007746459,0.0008948011,0.0006155094,0.01153911],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.007809593,"threshold_uncertainty_score":0.01552826,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01688574210782388,"score_gpt":0.2530531331931536,"score_spread":0.2361673910853297,"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."}}