近60年来南京市人体舒适度指数变化及其对温度的响应

基于1951—2009年的南京市日平均气温和相对湿度等资料,对南京市近60年来的逐日人体舒适度指数及其等级划分进行了研究。结果表明:南京市的人体舒适日数在增加,不舒适以上日数在减少,其变化规律与气温的变化密切相关。南京市最舒适的月份是5月和10月,冷很不舒适及以上月份为1月,热很不舒适及以上时期为7月下旬至8月上旬;近60年来南京市春季最舒适日开始与结束时间提前;夏季热很不舒适以上日开始时间提前,结束时间推后,热很不舒适及以上日数增多;秋季最舒适日开始时间推后,结束时间提前,最舒适日数减少。与此同时,秋季热舒适日开始时间提前,结束时间推后;冬季冷很不舒适及以上日开始时间推后,结束时间显著提前,冷很不舒适以上日数减少。

Human comfortable degree change and its response to temperature in recent sixty years in Nanjing city

By analyzing average daily air temperature and relative humidity data from 1951 to 2009,the daily human comfortable degree of Nanjing in the past 60 years was determined calculated.Based on this calculation,the comfort grades were formulated.The results showed that Nanjing was getting more comfortable in general.The most comfortable months in Nanjing were May and October,the more uncomfortable month was January,and from late July to early August was the hottest uncomfortable period.The start and end time of the most comfortable day in spring was in advance.In the meantime,the start time of more thermal uncomfortable day in summer was in advance and the end time was postponing.The start time of the most comfortable day in autumn was postponing and the end time was in advance,the most comfortable days were reducing,in the mean time,the start time of the thermal comfortable day in autumn was in advance and the end time was postponing.The start time of the extremely cold uncomfortable day in winter was postponing and the end time was significantly advanced,the extremely cold uncomfortable days were reducing.