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The Role of Volatile Organic Compounds in the Polluted Urban Atmosphere of Bristol, England : Volume 3, Issue 4 (12/08/2003)

By Rivett, A. C.

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Book Id: WPLBN0003983732
Format Type: PDF Article :
File Size: Pages 12
Reproduction Date: 2015

Title: The Role of Volatile Organic Compounds in the Polluted Urban Atmosphere of Bristol, England : Volume 3, Issue 4 (12/08/2003)  
Author: Rivett, A. C.
Volume: Vol. 3, Issue 4
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2003
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Gray, D. J., Price, C. S., Martin, D., Simmonds, P. G., Nickless, G., O’Doherty, S. J.,...Greally, B. R. (2003). The Role of Volatile Organic Compounds in the Polluted Urban Atmosphere of Bristol, England : Volume 3, Issue 4 (12/08/2003). Retrieved from http://community.ebooklibrary.org/


Description
Description: Biogeochemistry Research Centre, School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, UK. The results of a field campaign carried out from early spring through to the late summer of 2000, in Bristol, England, are presented. Continuous measurements of over 40 hydrocarbons have been made at an urban background site, located at Bristol University, for approximately nine months using a Gas Chromatography - Flame Ionisation Detection (GC-FID) system and for a selection of halocarbons for approximately one month using a Gas Chromatography - Electron Capture Detection (GC-ECD) system. In this paper we present the time-series of the nine halocarbons and selected hydrocarbons. Daytime and night-time hydroxyl radical concentrations have been estimated based on the diurnal variations of a selection of the measured hydrocarbons. The average summer daytime concentration of OH was found to be 2.5x106 molecules cm-3 and the night-time concentration to be in the range 104 to 105 molecules cm-3. In addition, the role played by certain VOCs in the formation of ozone is assessed using the POCP (Photochemical Ozone Creation Potential) concept.

Summary
The role of volatile organic compounds in the polluted urban atmosphere of Bristol, England

 

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