지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
A road surface temperature prediction model (UM-Road) using input data of the Unified Model (UM) output and road physical properties is developed and verified with the use of the observed data at road weather information system. The UM outputs of air temperature, relative humidity, wind speed, downward shortwave radiation, net longwave radiation, precipitation and the road properties such as slope angles, albedo, thermal conductivity, heat capacity at maximum 7 depth are used. The net radiation is computed by a surface radiation energy balance, the ground heat flux at surface is estimated by a surface energy balance based on the Monin-Obukhov similarity, the ground heat transfer process is applied to predict the road surface temperature. If the observed road surface temperature exists, the simulated road surface temperature is corrected by mean bias during the last 24 hours. The developed UM-Road is verified using the observed data at road side for the period from 21 to 31 March 2013. It is found that the UM-Road simulates the diurnal trend and peak values of road surface temperature very well and the 50% (90%) of temperature difference lies within ± 1.5℃ (± 2.5℃) except for precipitation case.
목차
Abstract
1. 서론
2. UM-Road의 구성
3. 결과
4. 요약 및 결론
REFERENCES
참고문헌 (15)
참고문헌 신청
1. [보고서] - Atallah, D. / 2012 / Road weather information system & maintenance decision support system economic value tool
2. [학술지(정기간행물)] - Bodri, L. / 2003 / Prediction of surface air temperature by neural network, example based on three-year temperature monitoring at Sporilov station / Stud. Geophys. Geod. 47 : 173 ~ 184
3. [학술지(정기간행물)] - Crevier, L. -P. / 2001 / METRo: A new model for road-condition forecasting in Canada / J. Appl. Meteorol. 40 : 2026 ~ 2037
4. [학술지(정기간행물)] - Dupont, S. / 2006 / Parameterization of the urban energy budget with the submesoscale soil model / J. Appl. Meteor. Climatol. 45 : 1744 ~ 1764
5. [학술지(정기간행물)] - Goodin, W. R. / 1979 / A comparison of interpolations methods for sparse data:Application to wind and concentration fields / J. Appl. Meteorol. 18 : 761 ~ 771
2. [학술지(정기간행물)] - Bodri, L. / 2003 / Prediction of surface air temperature by neural network, example based on three-year temperature monitoring at Sporilov station / Stud. Geophys. Geod. 47 : 173 ~ 184
3. [학술지(정기간행물)] - Crevier, L. -P. / 2001 / METRo: A new model for road-condition forecasting in Canada / J. Appl. Meteorol. 40 : 2026 ~ 2037
4. [학술지(정기간행물)] - Dupont, S. / 2006 / Parameterization of the urban energy budget with the submesoscale soil model / J. Appl. Meteor. Climatol. 45 : 1744 ~ 1764
5. [학술지(정기간행물)] - Goodin, W. R. / 1979 / A comparison of interpolations methods for sparse data:Application to wind and concentration fields / J. Appl. Meteorol. 18 : 761 ~ 771
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UCI(KEPA) : I410-ECN-0101-2016-453-001001889