{"id":"W2086678385","doi":"10.1016/j.apgeochem.2004.11.011","title":"Drought induced pulses of <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" altimg=\"si20.gif\" overflow=\"scroll\"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant=\"normal\">SO</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn></mml:mrow><mml:mrow><mml:mn>2</mml:mn><mml:mo>-</mml:mo></mml:mrow></mml:msubsup></mml:mrow></mml:math> from a Canadian shield wetland: use of δ34S and δ18O in <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" altimg=\"si21.gif\" overflow=\"scroll\"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant=\"normal\">SO</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn></mml:mrow><mml:mrow><mml:mn>2</mml:mn><mml:mo>-</mml:mo></mml:mrow></mml:msubsup></mml:mrow></mml:math> to determine sources of sulfur","year":2005,"lang":"en","type":"article","venue":"Applied Geochemistry","topic":"Soil and Water Nutrient Dynamics","field":"Environmental Science","cited_by":50,"is_retracted":false,"has_abstract":false,"ca_institutions":"Environment and Climate Change Canada; University of Waterloo","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"δ34S; Wetland; STREAMS; Groundwater; Hydrology (agriculture); Environmental science; Peat; Soil water; Precipitation; Sulfate; Watershed; δ18O; Stable isotope ratio; Geology; Ecology; Soil science; Chemistry","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":[0.0001620385,0.0003567706,0.0003300212,0.0004014969,0.00151477,0.0007559817,0.0006202115,0.0004895656,0.0215283],"category_scores_gemma":[0.0003200099,0.000301251,0.0003418872,0.000877554,0.0003476102,0.0007484201,0.0006208671,0.00155351,0.00415758],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003458473,"about_ca_system_score_gemma":0.002584438,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.2500093,"about_ca_topic_score_gemma":0.5621681,"domain_scores_codex":[0.9998657,0.000006176024,0.000006589584,0.00004585906,0.00004534225,0.00003039931],"domain_scores_gemma":[0.9997752,0.00001750667,0.00001906263,0.0000277978,0.0001139184,0.00004645618],"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":[0.00180944,0.0002152908,0.01646941,0.0006641815,0.0001047095,0.0006798018,0.001847278,0.001237216,0.6739616,0.00351034,0.2005823,0.09891845],"study_design_scores_gemma":[0.0001078407,0.0001292788,0.2580157,0.00009894128,0.0000859661,0.0001800842,0.0009234152,0.001321361,0.1832418,0.001061662,0.5547373,0.0000965966],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5103596,0.001010124,0.03073558,0.003775048,0.001754314,0.0006348248,0.177671,0.01155513,0.2625044],"genre_scores_gemma":[0.6895261,0.001107107,0.01854159,0.002184281,0.00009343318,0.0005285057,0.0849001,0.003469412,0.1996495],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7499907,"threshold_uncertainty_score":0.4971081,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01298471304590572,"score_gpt":0.2140046441387171,"score_spread":0.2010199310928114,"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."}}