{"id":"W6903334218","doi":"10.1021/acsearthspacechem.1c00307.s001","title":"Persistence of Uranium in Old and Cold Subpermafrost Groundwater Indicated\\nby Linking &lt;sup&gt;234&lt;/sup&gt;U-&lt;sup&gt;235&lt;/sup&gt;U-&lt;sup&gt;238&lt;/sup&gt;U, Groundwater\\nAges, and Hydrogeochemistry","year":2021,"lang":"en","type":"article","venue":"Figshare","topic":"Radioactive element chemistry and processing","field":"Chemistry","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Groundwater; Permafrost; Uranium; Weathering; Aquifer; Surface water; Stable isotope ratio; Hydrology (agriculture)","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.00004455445,0.0001265111,0.0001393203,0.0004536624,0.0005704451,0.0003770823,0.0001979989,0.0001787152,0.0009171906],"category_scores_gemma":[0.00007143461,0.000110653,0.00008627558,0.0004765204,0.0004317122,0.0001739114,0.0002468635,0.0001196456,0.0001345556],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001016472,"about_ca_system_score_gemma":0.0006326896,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1462827,"about_ca_topic_score_gemma":0.4107602,"domain_scores_codex":[0.9999421,0.000001528488,0.000003116377,0.00002549568,0.00001221397,0.00001566894],"domain_scores_gemma":[0.9999647,0.000003602948,0.00000922967,0.000003131743,0.00001281689,0.000006517584],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001424373,0.00002277708,0.7485945,0.00009428132,0.00004209474,0.0005049621,0.001475962,0.0004538008,0.2263697,0.0003468707,0.0001651369,0.02178752],"study_design_scores_gemma":[0.000001742965,0.0000295098,0.9828032,0.000006875359,0.00001099709,0.0002184723,0.0008254831,0.0003748178,0.01453783,0.00005762815,0.001127294,0.00000601158],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9983707,0.0001280166,0.0002050231,0.00001062439,9.713475e-7,0.000002987582,0.0002684948,0.00001018652,0.001002972],"genre_scores_gemma":[0.9987454,0.00008661078,0.0002574201,0.000007143727,4.709426e-7,0.000002306288,0.000203717,0.000002269134,0.0006945835],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1462827,"threshold_uncertainty_score":0.2908624,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02088291602605485,"score_gpt":0.2246208274062201,"score_spread":0.2037379113801652,"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."}}