Presentation is available for downloading!.
Suzanne Paulson, Ph.D.,
Yifang Zhu, Ph.D.
University of California, Los Angeles and
Akula Venkatram, Ph.D.
University of California, Riverside
Tuesday, June 6, 2017 at 2:00 p.m., PDT (WEBCAST)
Sierra Hearing Room, 2nd Floor, CalEPA Building
1001 I Street, Sacramento, California
Traffic-related air pollutants are a significant public health
concern near freeways. Previous studies have suggested that
soundwall and/or vegetation barriers (defined here as any
substantial installation of vegetation on either side of the
sound barrier, trees or tall bushes etc.) may reduce near-freeway
air pollution, but the literature is inconsistent, and data for
vegetation and other conditions common in California are very
limited. This research project combined mobile and stationary
measurement and modeling approaches to evaluate the impact of
various barrier configurations at four sites in California, and
made pair-wise comparisons of the following configurations: no
wall, sound wall only, vegetation only, and combined
soundwall-vegetation combinations (eight study locations in
total, each with a perpendicular transect). Chosen study sites
were located along major highways in Santa Monica, Encino,
Sacramento and Riverside, and if present, trees were
substantially taller than the solid barriers. Three of these
sites were chosen as test sites for daytime conditions
(Sacramento, Encino and Riverside) and one was chosen for
nighttime and early morning conditions (Santa Monica). For more
go to the announcement at:
https://www.arb.ca.gov/research/seminars/paulson6/paulson6.htm
Main menu:
http://www.arb.ca.gov/research/seminars/seminars.htm
Webcast: https://video.calepa.ca.gov
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to: sierrarm@calepa.ca.gov
For more information please contact:
Steve Mara at (916) 323-3920 or Steve.Mara@arb.ca.gov
For more information on the Seminar Series please contact:
Peter Mathews at (916) 323-8711 or Peter.Mathews@arb.ca.gov
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The energy challenge facing California is real. Every Californian
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