基于10年自动气象站资料的深圳地面风场空间分布特征

李磊 ,  陈幕娴 ,  虎亚飞 ,  何新燕

科学技术与工程 ›› 2025, Vol. 25 ›› Issue (29) :12356-12363

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科学技术与工程 ›› 2025, Vol. 25 ›› Issue (29) :12356-12363 DOI: 10.12404/j.issn.1671-1815.2408122
天文学、地球科学

基于10年自动气象站资料的深圳地面风场空间分布特征

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Spatial Distribution Characteristics of Surface Wind Field in Shenzhen Based on 10-years of Automatic Weather Station Data

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摘要

地面风场的研究对于深入理解局地气候、环境气象条件及气候资源利用等工作有重要意义。基于2013—2022年深圳市23个自动气象站的逐小时数据,研究了深圳地面风的空间分布特征。研究结果表明:受城市化的影响,深圳市年平均风多为2.0 m/s以下的软轻风;发展程度不同的地区风速具有不同特征,总体上平均风速对比为:沿海>内陆,丘陵>平原,未开发区>老城区>新型城区,且城市的平均风速逐年变化较小,而郊野的平均风速整体呈上升趋势;对比新、老城区和未开发区的不同速度区间的概率分布,发现三者的差异主要体现在较高风速段,未开发区的高风速段出现概率明显较其他高,与此同时,10年间新兴城区的建设导致了大于3.0 m/s的风速出现概率有所减少;对总体而言,相较于2013—2017年,深圳2018—2022年的偏南风有所增加,这与城市热力作用增强,导致海风频率增加有关。

Abstract

The study of surface wind field holds significant importance for understanding local climate, environmental meteorological conditions, and climate resource utilization. Hourly data from 23 automatic weather stations in Shenzhen, collected from 2013 to 2022, were analyzed to investigate the spatial distribution characteristics of surface wind in the region. The research results show that, affected by urbanization, the average annual wind in Shenzhen is mostly a soft and light wind of less than 2.0 m/s. Wind speed characteristics vary across regions with different development levels. On average, wind speed ranks as follows: coastal areas > inland areas, hills > plains, undeveloped areas > old urban areas > new urban areas. The average wind speed in urban areas remains relatively stable year by year, whereas an overall upward trend is observed in suburban areas. A probability distribution analysis of different wind speed ranges across old urban areas, new urban areas, and undeveloped regions reveals that their differences mainly appear in higher wind speed segments. The probability of high wind speeds is significantly higher in undeveloped areas, while the construction of new urban areas over the decade reduces the occurrence probability of wind speeds exceeding 3.0 m/s. Overall, compared the years from 2013 to 2017, an increase in southerly winds is observed in Shenzhen from 2018 to 2022, which correlates with the enhanced urban thermal effect leading to more frequent sea breezes.

关键词

深圳 / 地面风特征 / 城市化 / 海陆风

Key words

Shenzhen / surface wind characteristics / urbanization / sea-land breeze

引用本文

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李磊, 陈幕娴, 虎亚飞, 何新燕. 基于10年自动气象站资料的深圳地面风场空间分布特征[J]. 科学技术与工程, 2025, 25(29): 12356-12363 DOI:10.12404/j.issn.1671-1815.2408122
LI Lei, CHEN Mu-xian, HU Ya-fei, HE Xin-yan. Spatial Distribution Characteristics of Surface Wind Field in Shenzhen Based on 10-years of Automatic Weather Station Data[J]. Science Technology and Engineering, 2025, 25(29): 12356-12363 DOI:10.12404/j.issn.1671-1815.2408122

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基金资助

国家重点研发计划(2023YFC3008002)

国家自然科学基金(42475077)

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