屋外スポーツサーフェスのアルベドと表面温度の関係

概要

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In this research, relationship between albedo and surface temperature of outdoor sportsurfaces in Biwako Seikei Sport College were basically investigated. The artificial turf, thenatural turf, the all weather track, the clay track, and the artificial sand turf were selected asthe outdoor sport surfaces. The relative standard deviations of repetition（n=5）in measuringalbedo, were 1.0%, 0.2%. 0.2%, 0.2%, and 0.2% for the above outdoor sport surfaces,respectively. The relative standard deviations of different sites（n=5）in measuring albedo atthe same outdoor sport surface, were 5.8%, 1.2%. 0.7%, 1.4%, and 1.2% for the above outdoorsport surfaces, respectively. The large value of ５.８% for the artificial turf seems to be due toless uniformity compared to the other outdoor sport surfaces. There was negative correlationbetween the albedos and the surface temperatures of the outdoor sport surfaces. Thecorrelation coefficient was -0.775. In the case of the all weather track painted with differentcolors, the correlation coefficient was -0.985. According to the above results, the surfacetemperatures among different color surfaces of the same material would be forecasted in highprecision by the albedo.
びわこ成蹊スポーツ大学の論文
2007-03-15