{"id":"W2261399118","doi":"10.1038/ngeo2590","title":"The global volume and distribution of modern groundwater","year":2015,"lang":"en","type":"article","venue":"Nature Geoscience","topic":"Groundwater and Isotope Geochemistry","field":"Earth and Planetary Sciences","cited_by":757,"is_retracted":false,"has_abstract":false,"ca_institutions":"McGill University; University of Calgary; University of Victoria","funders":"","keywords":"Groundwater; Water cycle; Hydrology (agriculture); Geology; Environmental science; Groundwater recharge; Aquifer; Earth science; Ecology","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":[0.0002093672,0.0001562937,0.0001564185,0.001855036,0.0001086245,0.0007398415,0.0002045256,0.0002155292,0.001854296],"category_scores_gemma":[0.0007734973,0.0001425033,0.0002418989,0.005136494,0.0003540983,0.001398895,0.0005099953,0.000168129,0.0002429038],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005713347,"about_ca_system_score_gemma":0.0002839164,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006149337,"about_ca_topic_score_gemma":0.007856874,"domain_scores_codex":[0.9998864,0.00001687141,0.000009262117,0.00004452665,0.00002869646,0.00001415831],"domain_scores_gemma":[0.9995956,0.00008523078,0.0001549721,0.00004660082,0.00009174422,0.00002582432],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002469755,0.00002074344,0.6840986,0.0005245887,0.0003191401,0.0001423375,0.001269009,0.009816309,0.0185431,0.01608369,0.005305622,0.2636298],"study_design_scores_gemma":[0.000006883695,0.00004951423,0.9338077,0.00006902704,0.00006106528,0.0003736295,0.0005757478,0.002850604,0.001098427,0.005767043,0.05531857,0.00002170005],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9413496,0.01833844,0.006326995,0.00133118,0.000048849,0.00001015818,0.0166477,0.0001991526,0.01574801],"genre_scores_gemma":[0.9893668,0.005642012,0.001166537,0.00005501899,0.00007000261,0.000006395862,0.002848,0.00003051086,0.0008146776],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006149337,"threshold_uncertainty_score":0.01222712,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007436496467811604,"score_gpt":0.2087125370349412,"score_spread":0.2012760405671296,"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."}}