M. Bechle, M. Bell, Daniel L. Goldberg, S. Hankey, Tianjun Lu, A. Presto, Allen L. Robinson, Joel Schwartz, Liuhua Shi, Yang Zhang, Julian D. Marshall
{"title":"Intercomparison of Six National Empirical Models for PM2.5 Air Pollution in the Contiguous US","authors":"M. Bechle, M. Bell, Daniel L. Goldberg, S. Hankey, Tianjun Lu, A. Presto, Allen L. Robinson, Joel Schwartz, Liuhua Shi, Yang Zhang, Julian D. Marshall","doi":"10.32866/001c.89423","DOIUrl":null,"url":null,"abstract":"Empirical models aim to predict spatial variability in concentrations of outdoor air pollution. For year-2010 concentrations of PM2.5 in the US, we intercompared six national-scale empirical models, each generated by a different research group. Despite differences in methods and independent variables for the models, we find a relatively high degree of agreement among model predictions (e.g., correlations of 0.84 to 0.92, RMSD (root-mean-square-difference; units: μg/m3) of 0.8 to 1.4, or on average ~12% of the average concentration; many best-fit lines are near the 1:1 line).","PeriodicalId":508951,"journal":{"name":"Findings","volume":"70 3","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Findings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.32866/001c.89423","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Empirical models aim to predict spatial variability in concentrations of outdoor air pollution. For year-2010 concentrations of PM2.5 in the US, we intercompared six national-scale empirical models, each generated by a different research group. Despite differences in methods and independent variables for the models, we find a relatively high degree of agreement among model predictions (e.g., correlations of 0.84 to 0.92, RMSD (root-mean-square-difference; units: μg/m3) of 0.8 to 1.4, or on average ~12% of the average concentration; many best-fit lines are near the 1:1 line).