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http://dx.doi.org/10.5322/JESI.2022.31.4.329

Characteristics of Road Weather Elements and Surface Information Change under the Influence of Synoptic High-Pressure Patterns in Winter  

Kim, Baek-Jo (High Impact Weather Research Department, National Institute of Meteorological Sciences)
Nam, Hyounggu (Air Quality Forecasting Center, Climate and Air Quality Research Department, National Institute of Environmental Research)
Kim, Seon-Jeong (High Impact Weather Research Department, National Institute of Meteorological Sciences)
Kim, Geon-Tae (High Impact Weather Research Department, National Institute of Meteorological Sciences)
Kim, Jiwan (High Impact Weather Research Department, National Institute of Meteorological Sciences)
Lee, Yong Hee (High Impact Weather Research Department, National Institute of Meteorological Sciences)
Publication Information
Journal of Environmental Science International / v.31, no.4, 2022 , pp. 329-339 More about this Journal
Abstract
Better understanding the mechanism of black ice occurrence on the road in winter is necessary to reduce the socio-economic damage it causes. In this study, intensive observations of road weather elements and surface information under the influence of synoptic high-pressure patterns (22nd December, 2020 and 29th January, and 25th February, 2021) were carried out using a mobile observation vehicle. We found that temperature and road surface temperature change is significantly influenced by observation time, altitude and structure of the road, surrounding terrain, and traffic volume, especially in tunnels and bridges. In addition, even if the spatial distribution of temperature and road surface temperature for the entire observation route is similar, there is a difference between air and road surface temperatures due to the influence of current weather conditions. The observed road temperature, air temperature and air pressure in Nongong Bridge were significantly different to other fixed road weather observation points.
Keywords
Black ice; Road weather elements; Road surface information; Synoptic high-pressure patterns;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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