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Temporal and Spatial Variations of P...
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University of Toronto (Canada).
Temporal and Spatial Variations of PM2.5, surface O3, and Smog in Ontario, Canada.
Record Type:
Language materials, manuscript : Monograph/item
Title/Author:
Temporal and Spatial Variations of PM2.5, surface O3, and Smog in Ontario, Canada./
Author:
Cui, Siliang.
Description:
1 online resource (129 pages)
Notes:
Source: Masters Abstracts International, Volume: 57-02.
Contained By:
Masters Abstracts International57-02(E).
Subject:
Geography. -
Online resource:
click for full text (PQDT)
ISBN:
9780355450484
Temporal and Spatial Variations of PM2.5, surface O3, and Smog in Ontario, Canada.
Cui, Siliang.
Temporal and Spatial Variations of PM2.5, surface O3, and Smog in Ontario, Canada.
- 1 online resource (129 pages)
Source: Masters Abstracts International, Volume: 57-02.
Thesis (M.Sc.)
Includes bibliographical references
This study focuses on seasonal and interannual variations of PM2.5, surface O3, and smog from 2003 to 2015 in six Ontarian cities, including Sarnia, Hamilton, and Toronto in the south, and North Bay, Sudbury, and Sault Ste. Marie in the north. All cities had the highest PM2.5 and smog events in summer and the highest O 3 in spring. PM2.5 and smog events were greater in the southern cities than in the northern ones; the pattern is the opposite for surface O3. For most cities, the annual PM2.5 decreased insignificantly while surface O3 increased significantly. The diurnal variation of surface O3 altered by rains in an Ontarian city, Mississauga, is also investigated for the warm seasons of 2014 and 2015. At daytimes, surface O3 during rain decreased by 7 ppb, resulting from less photochemical production. At night, O3 during rain increased by 6 ppb, attributing to the chemical reduction of NO.
Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018
Mode of access: World Wide Web
ISBN: 9780355450484Subjects--Topical Terms:
654331
Geography.
Index Terms--Genre/Form:
554714
Electronic books.
Temporal and Spatial Variations of PM2.5, surface O3, and Smog in Ontario, Canada.
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Temporal and Spatial Variations of PM2.5, surface O3, and Smog in Ontario, Canada.
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2017.
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Includes bibliographical references
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This study focuses on seasonal and interannual variations of PM2.5, surface O3, and smog from 2003 to 2015 in six Ontarian cities, including Sarnia, Hamilton, and Toronto in the south, and North Bay, Sudbury, and Sault Ste. Marie in the north. All cities had the highest PM2.5 and smog events in summer and the highest O 3 in spring. PM2.5 and smog events were greater in the southern cities than in the northern ones; the pattern is the opposite for surface O3. For most cities, the annual PM2.5 decreased insignificantly while surface O3 increased significantly. The diurnal variation of surface O3 altered by rains in an Ontarian city, Mississauga, is also investigated for the warm seasons of 2014 and 2015. At daytimes, surface O3 during rain decreased by 7 ppb, resulting from less photochemical production. At night, O3 during rain increased by 6 ppb, attributing to the chemical reduction of NO.
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2018
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click for full text (PQDT)
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