云南丽江旅游气候舒适度分析

利用丽江1954-2009年的月气温、降水、相对湿度、风速、日照时数等影响旅游气候舒适度的气象资料, 对其进行年际、年内变化规律分析. 在计算其温湿指数THI、风效指数K和着衣指数ICL的基础上, 构建了一个新的综合气候舒适度评价模型, 分析计算了丽江市综合旅游气候舒适度, 划分出适宜于旅游的季节分布. 结果表明: 该地3-11月均较适宜旅游, 其中最佳旅游舒适期为5-9月; 2000年以来, 气温升高、风速降低、降水量减少、湿度下降的暖干趋势, 有利于吸引更多的游客, 并增加了游客在出游期间的舒适度; 冬春季节气温的升高, 使得全年中适宜旅游的时间在增加, 对旅游业发展有促进作用.

Evaluation of the Tourism Climate Comfort Index in Lijiang City,Yunnan

According to the meteorological data in Lijiang from 1954 to 2009,the main tourism climate factors are analyzed,including air temperature,precipitation,relative humidity,wind speed and sunshine hours.A new comprehensive comfort index is developed based on the calculation of THI,K and ICL.This new index has some peculiarity like comparable,able to add together and so on.The climate comfortable degree of Lijiang is analyzed by the new index,and the grades of fitness and spatial distribution are divided.The following conclusions can be drawn: 1) The suitable traveling period of Lijiang is from March to November,and the best period is from May to September;2) Since 2000,the air temperature has risen,wind speed has decreased,precipitation has reduced,humidity has decreased,with a warming-drying trend,which will attract more visitors and will increase human comfort during the trip;3) The suitable travel duration will extend.The Lijiang tourism will be developed well.