{"id":"W4412015829","doi":"10.5194/egusphere-2025-725","title":"Ammonia emissions and depositions over the contiguous United States derived from IASI and CrIS using the directional derivative approach","year":2025,"lang":"en","type":"preprint","venue":"","topic":"Atmospheric chemistry and aerosols","field":"Earth and Planetary Sciences","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Environment and Climate Change Canada","funders":"National Aeronautics and Space Administration","keywords":"Ammonia; Derivative (finance); Environmental science; Atmospheric sciences; Environmental chemistry; Meteorology; Chemistry; Physics; Economics; Organic chemistry; Financial economics","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0002453103,0.0003032812,0.0001462905,0.0006745096,0.0001794802,0.000323959,0.000192469,0.0001435739,0.0004698361],"category_scores_gemma":[0.0003637104,0.0001097118,0.0003103317,0.00107194,0.00009357165,0.0001743141,0.0002647402,0.0001612352,0.0001031765],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004627859,"about_ca_system_score_gemma":0.0004569608,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1472332,"about_ca_topic_score_gemma":0.1912287,"domain_scores_codex":[0.9999152,0.00001423339,0.000008035343,0.00003181194,0.00001852635,0.00001223218],"domain_scores_gemma":[0.9998125,0.00002297085,0.00004768684,0.00001663362,0.00008468514,0.00001544783],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00005293566,0.00003767052,0.9809271,0.00003036939,0.0001320292,0.00006304397,0.00009973667,0.007384257,0.002290127,0.00009490963,0.001003107,0.007884732],"study_design_scores_gemma":[0.00001032904,0.0000183406,0.976956,0.00001374204,0.000073172,0.0000332383,0.0002283615,0.02035443,0.0007399137,0.00005820288,0.001502915,0.00001132666],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9940068,0.00008905417,0.0008389719,0.00002631922,0.000006952535,0.000006856264,0.00403183,0.00005340476,0.0009397859],"genre_scores_gemma":[0.9916416,0.00007407161,0.002027927,0.00002977913,0.000007347061,0.00002063193,0.005893975,0.000008303736,0.0002963212],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1472332,"threshold_uncertainty_score":0.2927524,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02303793557950111,"score_gpt":0.2421836262453231,"score_spread":0.219145690665822,"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."}}