Future growth due to urban development results in changes to land use and land cover and, consequently, to biogenic and anthropogenic emissions, meteorological processes, and processes such as dry deposition. This on-going project examines the role of urban development, demographic, and technology trends on emissions and air quality using Austin, Texas as a case study. The results contrast the impacts of four different urban growth scenarios on land use/land cover and anthropogenic and biogenic emissions. A community "visioning" project, called Envision Central Texas, has resulted in four pre-determined metropolitan development scenarios based on a projected doubling of the population. The scenarios include: 1) low-density, segregated-use development based on extensive highway provision; 2) concentrated, contiguous regional growth within 1-mile of transportation corridors; 3) concentrated growth in existing and new communities with distinct boundaries; 4) high-density development and balanced-use zoning. Results from these scenarios will be contrasted with those from an integrated transportation-land use model currently under development. A photochemical grid model, the Comprehensive Air Quality Model with extensions, is being used to compare the air quality impacts of urban development from the various scenarios.
The Impacts of Urban Development on Anthropogenic and Biogenic Emissions and Air Quality: A Case Study in Austin, Texas
Transportation Land Use, Planning, and Air Quality Congress 2007 ; 2007 ; Orlando, Florida, United States
2008-05-15
Conference paper
Electronic Resource
English
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