Ozone profiles over the industrial coast of southern Taiwan

Ching Ho Lin, Mao Sung Wang, Chin Hsing Lai, Yee-Lin Wu, Hsin Chih Lai

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The ozone field study on October 24 and 25, 2005 in the southern coast of Taiwan suggests that vertical ozone distributions there were highly related to the development of sea breeze and were influenced by the surrounding industrial plumes. Before the onset of sea breeze, in the midmorning, mixing depths can reach to its daily maximum (800 m in this study), and ozone is uniformly distributed throughout the mixing layer. When the sea breeze begins, the mixing layer significantly drops (400 m in this case) due to the development of thermal internal boundary layer. Subsequently, distinct ozone layers form due to the lack of mixing above the thermal internal boundary layer. Relatively ozone-rich layer up to 140 ppb was found above the sea breeze layer in this study. The ozone-rich layer may be the upwind polluted inland air mass transported to the coast and subsequently undercut by sea breeze. As well, part of the ozone in the ozone-rich layer may be depleted due to the titration of fresh NO plumes emitted from the surrounding industrial parks even at noon when photochemical activities are strong. Furthermore, the ozone can be completely depleted at nigh when photochemical production stopped and forms elevated zero-ozone air layers with a depth of several hundred meters near the coast.

Original languageEnglish
Title of host publication100th Annual Conference and Exhibition of the Air and Waste Management Association 2007, ACE 2007
PublisherAir and Waste Management Association
Pages1011-1015
Number of pages5
ISBN (Electronic)9781604238464
Publication statusPublished - 2007 Jan 1
Event100th Annual Conference and Exhibition of the Air and Waste Management Association 2007, ACE 2007 - Pittsburgh, United States
Duration: 2007 Jun 262007 Jun 29

Publication series

Name100th Annual Conference and Exhibition of the Air and Waste Management Association 2007, ACE 2007
Volume2

Other

Other100th Annual Conference and Exhibition of the Air and Waste Management Association 2007, ACE 2007
CountryUnited States
CityPittsburgh
Period07-06-2607-06-29

All Science Journal Classification (ASJC) codes

  • Pollution
  • Water Science and Technology
  • Waste Management and Disposal
  • Environmental Science(all)
  • Energy(all)

Fingerprint Dive into the research topics of 'Ozone profiles over the industrial coast of southern Taiwan'. Together they form a unique fingerprint.

  • Cite this

    Lin, C. H., Wang, M. S., Lai, C. H., Wu, Y-L., & Lai, H. C. (2007). Ozone profiles over the industrial coast of southern Taiwan. In 100th Annual Conference and Exhibition of the Air and Waste Management Association 2007, ACE 2007 (pp. 1011-1015). (100th Annual Conference and Exhibition of the Air and Waste Management Association 2007, ACE 2007; Vol. 2). Air and Waste Management Association.