{"id":"W4417360842","doi":"10.3390/s25247616","title":"Spectral Predictability of Soil Organic Matter Depends on Its Humin Fraction Rather than Spectral Fusion","year":2025,"lang":"en","type":"article","venue":"Sensors","topic":"Soil Geostatistics and Mapping","field":"Environmental Science","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Guelph","funders":"Natural Science Foundation of Jiangxi Province; National Natural Science Foundation of China","keywords":"Predictability; Humin; Soil organic matter; Organic matter; Fusion; Partial least squares regression; Humic acid; Soil carbon","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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0001455757,0.000111062,0.0001271521,0.00004060079,0.00007329922,0.00001246631,0.00009601385,0.00006100045,0.005219779],"category_scores_gemma":[0.00004762864,0.000100895,0.00004732895,0.0001849154,0.00006693566,0.00004829994,0.00006412723,0.0001316948,0.0005406896],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001337998,"about_ca_system_score_gemma":0.00001067708,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004052503,"about_ca_topic_score_gemma":0.0004820676,"domain_scores_codex":[0.9990929,0.00004826508,0.000183085,0.0002643114,0.0002055454,0.0002059188],"domain_scores_gemma":[0.9996257,0.00005625573,0.00006426485,0.0002027893,0.00000768447,0.00004329236],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001979984,0.0004147784,0.6752708,0.00007234902,0.00004596695,0.00001709766,0.0009427726,0.004307706,0.3075131,0.0008821255,0.006166632,0.004168728],"study_design_scores_gemma":[0.000243365,0.00006852956,0.9007787,0.00002390618,0.00001736514,0.000002105842,0.0001460898,0.002525831,0.09420288,0.001394806,0.0004859194,0.0001105723],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9568226,0.000006044254,0.0002046171,0.000295705,0.0002140533,0.0001303528,0.0000121105,0.00002527012,0.04228924],"genre_scores_gemma":[0.9965474,0.000008220179,0.0002097943,0.0001315141,0.00003682291,0.000002342583,0.00000555271,0.000009613195,0.003048714],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2255078,"threshold_uncertainty_score":0.9956896,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008873693072609528,"score_gpt":0.2312392931869517,"score_spread":0.2223656001143422,"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."}}