{"id":"W4416010139","doi":"10.5194/egusphere-2025-5257","title":"Bioreactivity of dissolved organic carbon in ponds of the ice-wedge polygonal tundra","year":2025,"lang":"","type":"article","venue":"","topic":"Climate change and permafrost","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Center for Northern Studies; Université du Québec à Chicoutimi; Institut National de la Recherche Scientifique","funders":"Natural Resources Canada; Natural Sciences and Engineering Research Council of Canada; Groupe de recherche interuniversitaire en limnologie; Parks Canada","keywords":"Dissolved organic carbon; Bacterioplankton; Organic matter; Nutrient; Tundra; Thermokarst; Permafrost; Total organic carbon; Carbon cycle; Biogeochemistry","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0001321648,0.000267519,0.0003076134,0.000354905,0.0004678705,0.0006457271,0.0001698556,0.0001447826,0.0002807584],"category_scores_gemma":[0.0001891063,0.0001252773,0.0001854325,0.0002597195,0.0004468826,0.0002227918,0.0003260498,0.0001588498,0.00006866726],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009658061,"about_ca_system_score_gemma":0.0005879337,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02442962,"about_ca_topic_score_gemma":0.036175,"domain_scores_codex":[0.9998909,0.000008577632,0.000006044927,0.00004161373,0.00002264226,0.00003019381],"domain_scores_gemma":[0.9998405,0.00002020911,0.00004377841,0.000007396271,0.00003650067,0.00005162103],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0005226663,0.0001070004,0.2454849,0.00008639,0.00004684877,0.000243156,0.0005678891,0.0004927863,0.747098,0.00004048767,0.00002609286,0.005283706],"study_design_scores_gemma":[0.00001213328,0.0004554798,0.953603,0.000006376068,0.00003178302,0.0001410357,0.0008572498,0.001822019,0.04267039,0.00003216263,0.0003596038,0.000008807217],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9997182,0.00003037889,0.00005977296,0.000001771501,5.767936e-7,0.00000361683,0.00004979646,0.000001847352,0.0001339069],"genre_scores_gemma":[0.9993889,0.00003789629,0.0002301286,0.00000577453,9.888246e-7,0.000004061584,0.000107724,0.000001308908,0.0002231668],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02442962,"threshold_uncertainty_score":0.04857486,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02168878663475637,"score_gpt":0.2389226400832491,"score_spread":0.2172338534484928,"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."}}