{"id":"W4414122891","doi":"10.31223/x5q44t","title":"Stream acidification and metal mobilization linked to permafrost degradation","year":2025,"lang":"en","type":"preprint","venue":"","topic":"Climate change and permafrost","field":"Earth and Planetary Sciences","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Global Water Futures; Natural Sciences and Engineering Research Council of Canada","keywords":"Permafrost; Biogeochemical cycle; Weathering; Sulfate; Water quality; Ecosystem; Hydrology (agriculture); Biogeochemistry; STREAMS","routes":{"ca_aff":false,"ca_fund":true,"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":[0.0001562266,0.0001046717,0.0001053012,0.0003028847,0.0003163018,0.000457083,0.00009608427,0.0002233657,0.001255501],"category_scores_gemma":[0.0003018156,0.00005168468,0.00009364627,0.0005231159,0.0002388806,0.0001988912,0.0004144882,0.0001591737,0.0001266432],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000537942,"about_ca_system_score_gemma":0.0005874634,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01909053,"about_ca_topic_score_gemma":0.02725909,"domain_scores_codex":[0.9999211,0.0000077866,0.000004044585,0.00002672987,0.00001602446,0.00002436288],"domain_scores_gemma":[0.9997922,0.00001561398,0.0001061099,0.00001301685,0.00003466635,0.00003842539],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002506209,0.00004120548,0.9776747,0.00003294091,0.00003515357,0.0002676299,0.0002231319,0.0003599482,0.01258355,0.0001458178,0.0004158397,0.007969461],"study_design_scores_gemma":[0.000001690985,0.0000186538,0.998301,0.000002646368,0.000005056274,0.00007461904,0.0001007089,0.000207447,0.0008123996,0.0001030008,0.0003715108,0.000001392239],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988254,0.0001368114,0.00005630659,0.00004933578,0.000002554465,0.000002380512,0.0002605115,0.000005476966,0.0006613638],"genre_scores_gemma":[0.9991795,0.0001158585,0.00007474748,0.00002272699,0.000005001994,0.000001754032,0.000301479,0.000001223635,0.0002976573],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01909053,"threshold_uncertainty_score":0.0379588,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05075987016601725,"score_gpt":0.2771940124883966,"score_spread":0.2264341423223794,"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."}}