ENVIRONMENTAL TEMPERATURE OF AN ATHLETIC FIELD IN JAPAN AND COMPARISON BETWEEN WET BULB TEMPERATURE AND WBGT (WET BULB GLOBE TEMPERATURE)

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  • NAKAI SEIICHI
    <I>Kyoto Women's University</I> <I>Department of Physiology, Kyoto Prefectural University of Medicine</I>
  • YORIMOTO AKIRA
    <I>Shiga Prefectural Junior College</I> <I>Department of Physiology, Kyoto Prefectural University of Medicine</I>
  • MORIMOTO TAKETOSHI
    <I>Department of Physiology, Kyoto Prefectural University of Medicine</I>

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  • 夏季運動時温熱環境の実態と温熱指標の比較
  • カキ ウンドウジ オンネツ カンキョウ ノ ジッタイ ト オンネツ シヒョウ

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Abstract

Indexes to prevent heat casualties have been reported by many investigators based on different temperature scales including wet bulb temperature, wet bulb globe temperature, dry bulb temperature and so on. In this report, environmental temperature of an athletic field in Tokyo area was monitored in summer of 1981 to 1985, using natural wetbulb temperature (NWB), natural drybulb temperature (NDB), globe temperature (GT) and air velocity (A. V.) and WBGT (Wet Bulb Globe Temperature Index) was calculated, from NWB, GT and NDB on the result.<BR>The highest temperature observed was 33.2°C in WBGT, 28.0°C in NWB and 37.5°C in GT. Highly significant correlations were obtained between WBGT and other parameters, than for A. V.<BR>Based on the regression equation between WBGT and NWB, preventive measures for athletes in hot conditions were compared.

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