Chapter
Dec 14, 2021
The Characteristics and Mechanism of Fog on Freeway: A Case Study of Chongqing, China
Authors: Ben Zhai [email protected], Yanli Wang [email protected], Bing Wu [email protected], and Jiantao Lu [email protected]Author Affiliations
Publication: CICTP 2021
ABSTRACT
Prediction and early warning of fog events on freeways is essential for proactive traffic safety management under fog conditions. Understanding the characteristics and mechanism of fog on freeways is the basis for accurate and timely prediction of low visibility. This study aims to analyze the temporal distribution characteristics of fog events and explore the correlation between visibility and meteorological variables. Guanyinyan service area on the G50S freeway in Chongqing, China is chosen as the study case. The results indicate that: a) early morning (4:00 to 9:00) is the most frequent period of fog events, and most fog events last between 10 and 20 minutes, b) visibility level has a strong correlation with wind speed, humidity, air temperature and rainfall.
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Published In
CICTP 2021
Pages: 1525 - 1534
History
Published online: Dec 14, 2021
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1Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji Univ., Shanghai, China. Email: [email protected]
2Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji Univ., Shanghai, China. Email: [email protected]
3Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji Univ., Shanghai, China. Email: [email protected]
4China Academy of Civil Aviation Science and Technology, Beijing, China. Email: [email protected]
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.