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DOI | 10.1016/j.atmosres.2020.105409 |
Cooling power of sea breezes and its inland penetration in dry-summer Adelaide, Australia | |
Yifei Zhou, Huade Guan, Saeedeh Gharib, Okke Batelaan, Craig T. Simmons | |
2020-12-08 | |
发表期刊 | Atmospheric Research |
出版年 | 2020 |
英文摘要 | Extreme high-temperature events pose a threat to human beings on Earth. In coastal cities, the sea breeze is widely known as a prevailing wind that can cool the near-surface air. However, the cumulative cooling effect and its attenuation process during the sea breeze penetration have not been well investigated. In this study, we analyze sea breeze cooling capacity (SBCC) and propose a new method in estimating the penetration distance of sea breeze cooling in metropolitan Adelaide during summer using data from the Adelaide urban heat island monitoring network. The results show that during a sea breeze day, wind direction rapidly changes from southeast to southwest in the morning, and it gradually returns to southeast in the afternoon. It takes 67 min on average for the sea breeze cooling fronts to penetrate inside metropolitan Adelaide. The SBCC value is 21.3 °C h per event averaged spatially in Adelaide summer. During the penetration process, the SBCC values decrease at a rate of 0.7 and 0.9 °C h per kilometer from coast to inland on an average sea breeze day and a hot sea breeze day, respectively. Correspondingly, the mean cooling penetration distances are 42 and 29 km along the prevailing wind path. A multiple linear regression analysis indicates that the distance from the coast and elevation at the onshore point together explain 88% of the spatial variability of the temporally average SBCC in the study area. The spatial pattern and penetration distance of the cumulative sea breeze cooling effect contribute to a better understanding of this common cooling source for heat mitigation in coastal cities where a large number of people reside. |
领域 | 地球科学 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/308986 |
专题 | 地球科学 |
推荐引用方式 GB/T 7714 | Yifei Zhou, Huade Guan, Saeedeh Gharib, Okke Batelaan, Craig T. Simmons. Cooling power of sea breezes and its inland penetration in dry-summer Adelaide, Australia[J]. Atmospheric Research,2020. |
APA | Yifei Zhou, Huade Guan, Saeedeh Gharib, Okke Batelaan, Craig T. Simmons.(2020).Cooling power of sea breezes and its inland penetration in dry-summer Adelaide, Australia.Atmospheric Research. |
MLA | Yifei Zhou, Huade Guan, Saeedeh Gharib, Okke Batelaan, Craig T. Simmons."Cooling power of sea breezes and its inland penetration in dry-summer Adelaide, Australia".Atmospheric Research (2020). |
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