The technical aspects of large urban noise maps are discussed in three parts: 1. Strategies for the post-processing of GIS data including the closing of open polygons, defining the heights of buildings, including the use of airborne laser scanning (based on a pilot study in the German town of Bonn) and other techniques to improve the usability of available data; 2. Improving the speed of calculation by the simplification of geometry and/or changing calculation parameters, such as the handling of reflections, and determining the influence on the subsequent results by the use of statistical analysis using the data from Dusseldorf and Birmingham; 3. Noise exposure analysis utilising geo-referenced address data as used in a pilot study in Birmingham, and the influence of various methods of determining facade noise levels including examples using large scale noise maps. (A) For the covering abstract see ITRD E113232.


  • English

Media Info

  • Features: References;
  • Pagination: p. 1447-50

Subject/Index Terms

Filing Info

  • Accession Number: 00928711
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • ISBN: 9-806554-1-4
  • Files: ITRD
  • Created Date: Aug 2 2002 12:00AM