The use of ambient air quality modeling to estimate individual and population exposure for human health research: a case study of ozone in the Northern Georgia Region of the United States

Environment International
Michelle L Bell

Abstract

Ambient monitors are commonly used to estimate exposure for epidemiological studies, and air quality modeling is infrequently applied. However air quality modeling systems have the potential to alleviate some, although not all, of the limitations of monitoring networks. To investigate this application, exposure estimates were generated for a case study high ozone episode in the Northern Georgia Region of the United States based on measurements and concentration estimates from an air quality modeling system. Hourly estimates for 2268 4-km by 4-km gridcells were generated in a domain that includes only eight ozone monitors. Individual and population-based ozone exposures were estimated using multiple approaches, including area-weighted average of modeled estimates, nearest monitor, and spatial interpolation by inverse distance weighting and kriging. Results based on concentration fields from the air quality modeling system revealed spatial heterogeneity that was obscured by approaches based on the monitoring network. With some techniques, such as spatial interpolation, monitoring data alone was insufficient to estimate exposure for certain areas, especially for rural populations. For locations far from ozone monitors, the estimat...Continue Reading

Citations

Jul 29, 2010·Journal of Exposure Science & Environmental Epidemiology·Michelle L BellRoger D Peng
Mar 23, 2011·Environmental Health : a Global Access Science Source·Kristina W WhitworthAnn L Coker
Jan 14, 2012·International Journal of Health Geographics·Yongping HaoJudith R Qualters
Sep 14, 2006·International Journal of Health Geographics·Ivan HaniganKeith B G Dear
Aug 15, 2012·Environmental Health Perspectives·Michelle L Bell, Keita Ebisu
Feb 11, 2011·Journal of the Air & Waste Management Association·Mercedes A Bravo, Michelle L Bell
Jul 22, 2011·International Journal of Environmental Research and Public Health·Chen-Fa WuWen-Huang Lin
Apr 16, 2010·Biostatistics·Roger D Peng, Michelle L Bell
Dec 17, 2014·International Journal of Environmental Research and Public Health·Pius Lee, Yang Liu
Aug 30, 2011·Journal of Environmental Management·Claudio CarnevaleMarialuisa Volta
Oct 1, 2009·Spatial and Spatio-temporal Epidemiology·Linda J YoungChris DuClos
Oct 11, 2015·Environmental Research·Qihong DengJan Sundell
Jan 28, 2014·International Journal of Occupational Medicine and Environmental Health·Farideh Atabi, Seyed Alireza Hajiseyed Mirzahosseini
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Sep 9, 2020·The Science of the Total Environment·Huang ZhangPratim Biswas

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