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  1. The Effects of Global Change Upon United States Air Quality

    To understand more fully the effects of global changes on ambient concentrations of ozone and particulate matter with aerodynamic diameter smaller than 2.5 μm (PM2.5) in the United States (US), we conducted a...

  2. Effect of Reducing Maximum Cycle Length on Roadside Air Quality and Travel Times on a Corridor in Portland, OR

    The Sydney Coordinated Adaptive Traffic System (SCATS), an adaptive signal system designed to reduce congestion, has been installed on a heavily trafficked roadway in Portland, OR. In addition to traffic...

  3. The Associations between Environmental Quality and Mortality in the Contiguous United States, 2000-2005

    Background: Assessing cumulative effects of the multiple environmental factors influencing mortality remains a challenging task.

  4. Urban Scale Modeling of Atmospheric Carbon Dioxide and Validation of Emission Inventories

    There exists a pressing need for high resolution emissions inventories for cities. For greenhouse gases, cities and regions need a careful analysis of their carbon footprint to design effective policies to...

  5. Diurnal and Seasonal Variations of NO, NO2 and PM2.5 Mass as a Function of Traffic Volumes Alongside an Urban Arterial

    Urban arterial corridors are landscapes that give rise to short and long-term exposures to transportation-related pollution. With high traffic volumes and a wide mix of road users, urban arterial environments...