丽水市生态气候休闲养生适宜性分析

人们的休闲养生活动与气候条件和生态环境密切关联。选取反映气候综合状况的4项气候指数和表征生态环境质量的5项生态指标,对丽水市生态气候的休闲养生适宜性进行了分析。分析结果表明:丽水气候全年有8个月的人体舒适度气象指数BCMI等级达到"舒适"和"较舒适"级别,其中"舒适"级别有4个月;有11个月的气候适宜旅游度假(度假气候指数HCI60),其中"很适宜"级别月份有5个,"特别适宜"级别月份有1个;丽水冬季气候风寒指数WCI值在550 kcal/m~2·h以下,极少出现严寒天气,气候仅会对人体产生弱度冷胁迫;夏季丽水气候温湿度相对较高,尤其是7月温湿指数THI值可达80以上,城市区域的温湿胁迫较为强烈。丽水市生态环境优质,森林覆盖率为80.8%、物种丰度指数达0.96、断面水质达标率为98.9%、优良空气天数达360天,并拥有14个国家4A级旅游景区。国内21座城市生态气候数据的对比分析显示,丽水市气候指标占优、生态指标领先,其休闲养生适宜性在国内城市中具有突出优势。

Suitability Analysis of Ecoclimate for Leisure Traveling and Health Preserving in Lishui

Leisure traveling and health preserving have close connection with the conditions of ecology and climate.Applying four climate indices and five ecology indices that are characterized to the integrative conditions of ecology and climate,this study analyzes the suitability of ecology and climate for leisure traveling and health preserving in Lishui city.The results show that:there are eight months when the Body Comfort Meteorology Index (BCMI) grade is comfortable or relatively comfortable in one year,with four comfortable months and four relatively comfortable months.In a whole year,there are eleven months when the Holiday Climate Index (HCI>60) is suitable for leisure traveling in Lishui,including five very suitable months and one particularly suitable month.In winter,the Wind Chill Index(WCI) values of Lishui climate are below 550 kcal/m2·h,which means that people are only subjected to light chilling stress,because severe cold weather is rare.In summer,temperature and humidity of Lishui climate are relative higher,especially in July,when the Temperature Humidity Index(THI) value is above 80,which indicates more muggy stress on people in the city.On the other hand,the ecological environment of Lishui is high quality,owing to its 80.8% forest coverage,0.96 species richness index,98.9% qualified water area,360 good air days and 14 national 4A level ecotourism attractions.The comparative analysis of climate and ecology data in 21 cities reveals that Lishui city is better in climate and ecology indices and its suitability for leisure traveling and health preserving possesses outstanding advantages in domestic cities.