重庆市黔江区旅游气候舒适度评价

Evaluation of Tourism Climate Comfort Degree in Qianjiang District of Chongqing City

利用2000—2014年气象站点数据(月平均气温、相对湿度、风速、日照时数),对黔江区以及重庆主城区各项气象要素15年间的年际、年内变化规律进行对比分析,并通过对温湿指数(THI)和风效指数(K)的定量计算,综合评价了黔江区、重庆主城区的旅游气候舒适度。结果表明,黔江区多年来年均气温变化波动较大,总体呈现略微下降趋势,全年日照时数较少,相对湿度大,风速较小,一年中共有6个月为气候舒适月,包括春季(4、5月)、夏季(6、8月)、秋季(9、10月);重庆主城区的气候舒适月分别为春季(3、4、5月)、秋季(9、10、11月)。相较于重庆主城区而言,黔江区在夏季旅游气候更清凉舒适,具备一定的优势。

Using the meteorological data of 2000-2014 years,including monthly mean temperature,relative humidity,wind speed,sunshine hours and the annual meteorological elements variation of Qianjiang District and the main urban zone of Chongqing between 15 years were analyzed.Based on the quantitative calculation of temperature and humidity index（THI） and wind effect index（K）,the tourism climate comfort degree of Qianjiang District and the main urban zone of Chongqing was evaluated comprehensively.The results showed that the annual average temperature fluctuation of Qianjiang District over the years was larger,the overall showed a slight downward trend,annual sunshine time was less,the relative humidity was larger,the wind speed was small;a total of six months in a year was a month of climate comfort,including spring（April and May）,summer（June and August）,autumn（September and October）.The climate comfort months in the main urban area of Chongqing were spring（March,April,May）,autumn（September,October,November） respectively.Compared with the main urban zone of Chongqing,Qianjiang District in the summer tourism climate was more cool and comfortable.