Assessment of the contribution of traffic emissions to the mobile vehicle measured PM2.5 concentration by means of WRF-CMAQ simulations.

Details

• Creators:
  Molders, Nicole ; Tran, Huy N.Q.
• Corporate Creators:
  Alaska University Transportation Center
• Corporate Contributors:
  Fairbanks North Star Borough ; United States. Federal Highway Administration
• Subject/TRT Terms:
  • Air
  • Air quality
  • Quality of specific environments
  • Air quality management
  • Pollution control
  • Pollutants
  • Pollution
  • Air pollution sources
  • Air pollution
  • Pollution of specific environments
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• Publication/ Report Number:
  INE # 12.05
• Resource Type:
  Tech Report
• Geographical Coverage:
  Alaska
• Edition:
  Final research report; 8/1/2010-12/31/2011.
• Corporate Publisher:
  Alaska. Department of Transportation and Public Facilities
• Abstract:
  The Alaska adapted version of the Weather Research and Forecasting and the Community Modeling and Analysis Quality (WRF-CMAQ) modeling ; systems was used to assess the contribution of traffic to the PM2.5-concentration in the Fairbanks nonattainment area and to develop an algorithm to ; interpolate mobile measurements into areas without any observations. Simulations were performed with WRF-CMAQ with and without consideration ; of traffic emission for two episodes in winter 2009/10 and 2010/11. ; Comparison of the simulation results with observations showed that the Alaska adapted WRFCMAQ has relatively good performance in simulating ; meteorological quantities and PM2.5-concentrations. Comparison of the simulations with and without consideration of traffic emissions revealed that ; emissions from traffic contributed to about 10% on average to the total PM2.5-concentration in the Fairbanks nonattainment area during the two ; episodes. ; The interpolation algorithm was developed based on the WRF-CMAQ results of the first episode and its performance was demonstrated by the results ; of the second episode. The algorithm can be used in the future to produce spatial distributions of PM2.5-concentrations over the nonattainment area ; based on the limited observation made by the instrumented vehicle. Theinterpolated distributions can be visualized and put onto the web to serve as a ; tool to provide spatially differentiated air quality advisory to the public.
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• Format:
  PDF
• Funding:
  DTRT06-G-0011 ; AUTC # 410003
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/24526/dot_24526_DS1.pdf
• File Type:
  [PDF - 4.22 MB]
• Collection(s):
  University Transportation Centers ; US Transportation Collection
• Main Document Checksum:
  urn:sha256:e386fa07081550774f3f093e44f47d95d0f2176ae298fe13b170275f25d19dc8