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DOI | 10.1088/1748-9326/aa70d9 |
Climate variability of heat waves and their associated diurnal temperature range variations in Taiwan | |
Kueh, M-T; Lin, C-Y; Chuang, Y-J; Sheng, Y-F; Chien, Y-Y | |
2017-07-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS
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ISSN | 1748-9326 |
出版年 | 2017 |
卷号 | 12期号:7 |
文章类型 | Article |
语种 | 英语 |
国家 | Taiwan |
英文摘要 | This study investigates heat waves in Taiwan and their maintenance mechanism, based upon observations and dynamically downscaled simulations. A 95th percentile threshold is used for identifying hot extremes over a period of consecutive days. Heat waves are forecast to become more severe in the future projection. Daily minimum temperatures are generally high and diurnal temperature ranges (DTR) are relatively large. The daily minimum temperature serves as the primary control in the variation in DTR during heat waves. An apparent increase in the daily minimum temperature suggests elevated heat stress at nighttime during future heat waves. Heat waves in Taiwan are associated with abnormal warming and drying atmospheric conditions under the control of an enhanced western North Pacific subtropical high. The surrounding waters serve as a vast moisture source to suppress the drying magnitude in the surface layer as the temperature rises, thereby ensuring a high humidity level during the hot spell. The subsidence and adiabatic warming above can trap the warm and humid air in the surface layer, leading to positive feedback to the abnormally hot surface condition. The associated warming and drying atmospheric conditions cover certain spatial extents, suggesting that the extreme situation identified here is not confined to just an island-wide hot spell; the abnormal hot weather can take place across a broad geographical area. |
英文关键词 | heat waves western North Pacific subtropical high dynamical downscaling future projection diurnal temperature ranges |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000405480300004 |
WOS关键词 | ASIAN SUMMER MONSOON ; MODEL ; PROJECTIONS ; EXTREMES ; PREDICTABILITY ; PATTERNS ; FREQUENT ; IMPACT |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/32091 |
专题 | 气候变化 |
作者单位 | Acad Sinica, Res Ctr Environm Changes, Taipei, Taiwan |
推荐引用方式 GB/T 7714 | Kueh, M-T,Lin, C-Y,Chuang, Y-J,et al. Climate variability of heat waves and their associated diurnal temperature range variations in Taiwan[J]. ENVIRONMENTAL RESEARCH LETTERS,2017,12(7). |
APA | Kueh, M-T,Lin, C-Y,Chuang, Y-J,Sheng, Y-F,&Chien, Y-Y.(2017).Climate variability of heat waves and their associated diurnal temperature range variations in Taiwan.ENVIRONMENTAL RESEARCH LETTERS,12(7). |
MLA | Kueh, M-T,et al."Climate variability of heat waves and their associated diurnal temperature range variations in Taiwan".ENVIRONMENTAL RESEARCH LETTERS 12.7(2017). |
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