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겨울철 고기압 영향에서 도로 위 기상요소와 노면정보 변화 특성에 관한 연구
김백조,남형구,김선정,김건태,김지완,이용희,Kim, Baek-Jo,Nam, Hyounggu,Kim, Seon-Jeong,Kim, Geon-Tae,Kim, Jiwan,Lee, Yong Hee 한국환경과학회 2022 한국환경과학회지 Vol.31 No.4
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 (22<sup>nd</sup> December, 2020 and 29<sup>th</sup> January, and 25<sup>th</sup> 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.