{"id":"W1785547954","doi":"10.4314/wsa.v35i3.76766","title":"Investigation into the metal contamination of the Plankenburg and Diep Rivers, Western Cape, South Africa","year":2012,"lang":"en","type":"article","venue":"Water SA","topic":"Heavy metals in environment","field":"Environmental Science","cited_by":32,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Cape Peninsula University of Technology; National Research Foundation","keywords":"Sediment; Environmental chemistry; Manganese; Water quality; Contamination; Surface runoff; Zinc; Environmental science; Pollution; Hydrology (agriculture); Chemistry; Geology","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004347195,0.00008192211,0.00007677844,0.000009867121,0.0001092443,0.000009324708,0.0001571602,0.00003640978,0.0002024065],"category_scores_gemma":[0.00001567052,0.00003823102,0.00002534273,0.00004233298,0.0003969031,0.0001941979,0.0002710126,0.00006879411,0.000129227],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005869829,"about_ca_system_score_gemma":0.000001472087,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001531953,"about_ca_topic_score_gemma":0.00004027729,"domain_scores_codex":[0.9991961,0.0001280524,0.000130049,0.0001168742,0.0002563661,0.0001725494],"domain_scores_gemma":[0.9996476,0.00002662913,0.00005313491,0.0002191766,0.000001657473,0.00005183861],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00000554602,0.00002365724,0.7938378,0.000006905335,0.00001847069,3.111069e-7,0.1226903,0.00005680912,0.08065955,0.00005084326,0.0001277769,0.002522009],"study_design_scores_gemma":[0.0001635729,0.00002317571,0.8222561,0.000006001515,0.00004435038,0.000002399327,0.0005923175,0.00006796407,0.1633113,0.0003837963,0.0130537,0.00009528967],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9983849,0.00005737458,0.00007687728,0.0004218372,0.0001311698,0.0001759508,0.000002509326,0.00000681142,0.0007425864],"genre_scores_gemma":[0.9988707,0.00000453597,0.0001929169,0.0001158401,0.00002789504,0.00001297096,0.000002983446,0.000006221069,0.0007659912],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.122098,"threshold_uncertainty_score":0.2216209,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01711346167770134,"score_gpt":0.1953923815913232,"score_spread":0.1782789199136219,"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."}}