Transport mechanisms of nocturnal surface ozone over Riyadh, Kingdom of Saudi Arabia

This study investigated ozone (O3) transport mechanisms and their impact on observed nocturnal surface O3 (NSO) enhancements over Riyadh, Kingdom of Saudi Arabia (KSA). We used O3 measurements for the summer of 2012 to examine the NSO enhancements across the city. We found that out of the 88 days fo...

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Bibliographic Details
Published in:Atmospheric environment (1994) 2023-11, Vol.313, p.120069, Article 120069
Main Authors: Alduwais, Abdulilah Khalid, Dasari, Hari Prasad, Karumuri, Rama Krishna, Gandham, Harikishan, Alharbi, Badr H., Ashok, Karumuri, Hoteit, Ibrahim
Format: Article
Language:English
Subjects:
Nocturnal surface O3 (NSO)
Riyadh
Stratospheric intrusion
Transport mechanism
Tropopause folds
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Summary:This study investigated ozone (O3) transport mechanisms and their impact on observed nocturnal surface O3 (NSO) enhancements over Riyadh, Kingdom of Saudi Arabia (KSA). We used O3 measurements for the summer of 2012 to examine the NSO enhancements across the city. We found that out of the 88 days for which observations were available, NSO enhancements could be observed on 38 days. The average difference in the NSO concentration between NSO-enhanced days and nonenhanced days was ∼15 ppb, which was statistically significant (p 
ISSN:1352-2310
1873-2844
DOI:10.1016/j.atmosenv.2023.120069