本文以成都市杜甫草堂为例，从游客的角度探讨湿热地区景区中的休憩行为与微气候舒适度的关系，得到游憩活动的微气候舒适度阈值。结果表明：微气候舒适度WBGT值＜30℃时，微气候舒适宜人，游憩行为与微气候舒适度相关性不高，景区应注重改善自然景观和人文景观或增加参与性的旅游活动来吸引游客；当30℃≤WBGT值＜31℃时，微气候不舒适而对游憩行为有负面影响，景区需要改善微气候舒适度为游客提供适宜的游憩环境；当WBGT值＞31℃时，没有游憩行为，景区急需改善微气候舒适度，适宜的微气候也将成为吸引游客的主要因素之一。因此，湿热地区景区夏季微气候舒适度阈值是31℃，达到这个值即不再有游憩活动。研究结果为景区改善场地微气候舒适度的实践建设提供理论基础和量化的技术指标。%Taking the Du fu thatched cottage in Chengdu city as example, and from the tourists point of view, this paper studies the relations between the recreational behavior and microclimate comfort, and studies the summer microclimate comfort threshold in hot-humid scenic spots. The results show that in summer, there is a microclimate comfort threshold to influence the recreational behavior. That is, when WBGT<30℃, the microclimate is comfortable and pleasant, and there is little correlation between the recreational behavior and microclimate.Therefore, the scenic spot should pay attention to improve landscape or increase tourism activities; when 30℃≤WBGT<31℃, the microclimate is uncomfortable and has negative impact on recreational behavior, and so, the scenic spot needs to improve microclimate to provide appropriate recreation environment for tourists; when WBGT>31℃, there's no recreational behavior, and the scenic spot needs to improve the micro climate comfort urgently, the comfort microclimate is the main aspect to attract tourists. So, the microclimate comfort threshold is 31℃, there's no recreational behavior in scenic spots when reaching this value. The study wil provide theory basement and quantitative technical indicators for constructing comfort, healthy, effective and .ecological recreation environment.
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