{"id":"W2885006141","doi":"10.5194/acp-18-10373-2018","title":"The Δ <sup>17</sup> O and <i>δ</i> <sup>18</sup> O values of atmospheric nitrates simultaneously collected downwind of anthropogenic sources – implications for polluted air masses","year":2018,"lang":"en","type":"article","venue":"Atmospheric chemistry and physics","topic":"Atmospheric chemistry and aerosols","field":"Earth and Planetary Sciences","cited_by":22,"is_retracted":false,"has_abstract":true,"ca_institutions":"Environment and Climate Change Canada; Geological Survey of Canada; Natural Resources Canada","funders":"Natural Resources Canada; Clean Air Regulatory Agenda; Environment and Climate Change Canada","keywords":"Chemistry; Environmental chemistry; Particulates; Precipitation; Isotope; Nitrate; Stable isotope ratio; Atmospheric sciences; Environmental science; Meteorology; Geology; Physics","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"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":[0.0002134746,0.0002804569,0.000154405,0.0002639372,0.0003315045,0.0003285833,0.0002524266,0.0003189508,0.0008094215],"category_scores_gemma":[0.0001869187,0.0001425583,0.0001776772,0.0003443156,0.0003002068,0.0003198842,0.000223478,0.0002667829,0.0002507809],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001502384,"about_ca_system_score_gemma":0.0002111321,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00241066,"about_ca_topic_score_gemma":0.005795321,"domain_scores_codex":[0.9998742,0.000007440051,0.000006888769,0.00006410402,0.00003202672,0.00001520719],"domain_scores_gemma":[0.9998274,0.00002166881,0.00005029998,0.00001594455,0.00006060269,0.00002407107],"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":[0.0003676072,0.00006318273,0.1094107,0.00007120089,0.00006050861,0.00008671038,0.00008247302,0.0002475712,0.8829749,0.00002823918,0.00009603229,0.006510874],"study_design_scores_gemma":[0.00001967914,0.0003364391,0.7246631,0.00001845535,0.0001154659,0.000257767,0.0002107419,0.001753506,0.2703035,0.0001027636,0.002193528,0.00002490488],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9966439,0.0002610886,0.001499183,0.0000204944,0.00002480196,0.00001314175,0.0007437738,0.00002932984,0.000764154],"genre_scores_gemma":[0.9931939,0.0002587551,0.004556116,0.0000729697,0.00002505412,0.00003138741,0.00134787,0.0000369509,0.0004769105],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00241066,"threshold_uncertainty_score":0.004793227,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009489065727395017,"score_gpt":0.2258925658488631,"score_spread":0.2164035001214681,"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."}}