title: Influence of local meteorology and NO2conditions on ground-level ozone concentrations in the eastern part of Texas, USA.
abstract: The influence of local climatic factors on ground-level ozone concentrations is an area of increasing interest to air quality management in regards to future climate change. This study presents an analysis on the role of temperature, wind speed, wind direction, and NO2level on ground-level ozone concentrations over the region of Eastern Texas, USA. Ozone concentrations at the ground level depend on the formation and dispersion processes. Formation process mainly depends on the precursor sources, whereas, the dispersion of ozone depends on meteorological factors. Study results showed that the spatial mean of ground-level ozone concentrations was highly dependent on the spatial mean of NO2concentrations. However, spatial distributions of NO2and ozone concentrations were not uniformed throughout the study period due to uneven wind speeds and wind directions. Wind speed and wind direction also played a significant role in the dispersion of ozone. Temperature profile in the area rarely had any effects on the ozone concentrations due to low spatial variations.
authors.affiliation: Environmental Science and Engineering Group, Birla Institute of Technology, Mesra, Ranchi 835215, India; Department of Technology, Jackson State University, Jackson, MS 39217, USA.
authors.forename: A K
authors.initials: AK
authors.lastname: Gorai
authors.affiliation: Department of Technology, Jackson State University, Jackson, MS 39217, USA.
authors.forename: F
authors.initials: F
authors.lastname: Tuluri
authors.affiliation: NIMHD RCMI-Center for Environmental Health, Jackson State University, Jackson, MS 39217, USA.
authors.forename: P B
authors.initials: PB
authors.lastname: Tchounwou
authors.affiliation: Department of Geosciences, Mississippi State University, Starkville, MS 39762, USA.
authors.forename: S
authors.initials: S
authors.lastname: Ambinakudige
keywords: Ground-level ozone; Kriging; Mapping; Meteorology; NO2; Texas