近30年柳州市旅游气候舒适度评价

Evaluation of Liuzhou tourism climate comfort index in the past 30 years

利用1986-2015年柳州市区和五县一区观测站资料,采用考虑了气温、风速、相对湿度等要素的人体舒适度计算方法,计算了柳州市境内的逐日人体舒适度指数,统计不同舒适等级天数,并分季节分别对市区和县(区)的舒适度指数进行了统计分析。结果表明:(1)柳州的年舒适日数较多,全境都达到229d以上,占全年的约2/3的时间,各县区的年平均舒适度指数都有逐年增高趋势,趋近人体感觉很好。(2)年舒适日数最多的区域在柳州市区和三江、融水、柳城、柳江的西侧。(3)柳州市人体舒适度在春季、秋季最舒适,夏季在融水、三江海拔较高的山区人体舒适度较高,冬季柳州市区和柳江大部地区较为舒适。

Using 1986-2015 meteorological data in Liuzhou city and six counties and following the calculation method considering temperature, wind speed, relative humidity, and human comfort, the daily comfort index of human body in Liuzhou was calculated, the number of different comfort grade was counted, and the comfort index of urban and county （District） was statistically analyzed by the seasons. The results showed that： （1） Liuzhou had a relatively large number of comfortable days, which was over 229 days in the whole area, accounting for about two thirds of the whole year; the number of days with the comfort index level has a upward trend. （2） Urban district, Sanjiang, Rongshui, Liucheng and west of Liujiang were the areas with most of the comfortable days. （3） The climate in Liuzhou was comfortable, spring and autumn had the highest comfort index scores; in summer, high elevation mountainous areas like Rongshui and Sanjiang were more comfortable; in winter, Liuzhou city and Liujiang areas were more comfortable.