XU Cheng,DAN Jia,LIU Lvliu,et al.Study on the Characteristics and Future Changes of Climate Comfort in Chengdu-Chongqing Region[J].Journal of Chengdu University of Information Technology,2023,38(04):472-477.[doi:10.16836/j.cnki.jcuit.2023.04.015]
成渝地区气候舒适度特征及未来变化研究
- Title:
- Study on the Characteristics and Future Changes of Climate Comfort in Chengdu-Chongqing Region
- 文章编号:
- 2096-1618(2023)04-0472-06
- Keywords:
- climate change; Chengdu-Chongqing area; human comfort; spatial and temporal change; forecast of future changes
- 分类号:
- P463.3
- 文献标志码:
- A
- 摘要:
- 为科学论证成渝地区气候舒适度特征, 利用1981-2010年地面观测日统计资料和CMIP6(第六次国际耦合模式比较计划)中北京气候中心模式(BCC-CSM2-MR)日订正数据, 采用插值和线性趋势等方法分析成渝地区人体舒适度时空演变特征, 并对其未来变化趋势进行预估。结果表明:(1)成渝地区常年舒适时长为7～9个月, 年平均舒适日数最多, 冷不舒适日数次之, 热不舒适日数最少。(2)年平均人体舒适度指数及各季节舒适度指数均呈上升趋势。(3)四川盆地常年年平均冷不舒适日数、舒适日数和最舒适日数多于重庆, 年平均热不舒适日数少于重庆。(4)成渝地区常年和预估2023-2100年人体舒适度均没有酷热等级出现。2023-2100年, 舒适日数较常年相比有所增加, 冷不舒适日数和热不舒适日数有所减少。
- Abstract:
- In order to scientifically analyze the characteristics of climate comfort in Chengdu-Chongqing area, the meteorological observation data from 1981 to 2010 and China climate model results(BCC-CSM2-MR)from 2023 to 2100 of Chengdu-Chongqing area are used to calculate the human comfort index, then spatial and temporal evolution was investigated by interpolation and linear trend method, finally the projection for future trends was made. The results show:(1)The comfortable duration in Chengdu-Chongqing area is 7-9 months, the annual average number of comfortable days is the largest, and following is the number of cold uncomfortable days, and the number of hot uncomfortable days is the least.(2)The annual average human comfort index and the seasonal comfort index shows an increasing trend.(3)The annual average number of cold uncomfortable days, comfortable days and most comfortable days in Sichuan Basin is higher than that in Chongqing, while the annual average number of hot uncomfortable days is lower than that in Chongqing.(4)In Chengdu-Chongqing area, There is no extreme heat level in human comfort during the whole year and 2023-2100. From 2023 to 2100, the number of comfortable days will increase, while the number of cold uncomfortable days and hot uncomfortable days will decrease.
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备注/Memo
收稿日期:2022-12-02
基金项目:高原与盆地暴雨旱涝灾害四川省重点实验室科技发展基金资助项目(SCQXKJQN202220)
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