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深圳地区季节风特征研究
(1.中国科学院深圳先进技术研究院;2.深圳市气象局;3.东北大学)
Seasonal wind characteristic in Shenzhen Area
Li Qinglan1, Liu Bingrong1, Yang Lin2, Li Hui2, Cao Yulin3, Tang2, Sun Shiyang2, Sun Liqun4
(1.Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences;2.Shenzhen Meteorological Bureau;3.Northeast University;4.Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences)
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投稿时间:2017-08-15    修订日期:2018-02-06
中文摘要: 本研究利用深圳地区8个沿海、陆地自动气象站2007年6月1日至2017年6月1日十一年间的风速观测数据,按春夏秋冬四个不同季节对各站历史阵风观测进行特征分析研究,并计算比较各站的阵风系数。结果表明,沿海气象自动站四季风力观测普遍高于陆地自动站的风力;8个气象台站在夏季、秋季受台风影响的最大阵风大于冬春之际受冷空气影响的最大阵风中。各台站中,距离海岸最近的港口码头气象站,盐田港、妈湾港、蛇口码头具有最小的阵风系数;随着离海岸距离的增加,气象站的阵风系数变大,即距海岸线远的气象站的大风更具阵性特点。各台站中背仔角与盐田港是大风记录最为频繁的气象站,历史上受台风影响下的最大阵风达到了12级以上,最大平均风分别达到了9级与10级。本研究可以为不同季节条件下深圳地区的风力预测和风险评估提供指导。
Abstract:Based on the historical wind observation data of eight coastal and inland automatic weather stations in Shenzhen from June 1, 2007 to June 1, 2017, this study explores the seasonal wind gust characteristic and the feature of the gust factors for these eight stations. Results show that the wind gust at the coastal stations is generally bigger than the wind gust at the inland stations. The maximum wind gust at the eight stations due to typhoons in Summer and Autumn is generally bigger than the maximum wind gust at these stations due to cold front in Winter and Spring. Among these stations, Yantian International Container Terminal station (YTG), Mawan Port station (MWG), Shekou Ferry Terminal station (SKMT), which are located close to seawater, have relative smaller gust factor, comparing to the factor at other stations. With the increase of the distance to the coastline, the gust factor at the stations becomes bigger. Therefore, the gust gale tends to be more instantaneous at the stations with farther distance to coastline than the gust gale at coastal stations. Among those eight stations, Beizaijiao station (BZJ) and YTG have the most frequent gust gale records. The historical maximum gusts at the two stations are above 12-level scale (Beaufort scale), and the historical maximum 10-mimutes average wind is above 9-level scale at BZJ and 10-level scale at YTG. This study can provide reference for the seasonal wind gust forecast and risk assessment in Shenzhen area.
文章编号:201708150385     中图分类号:    文献标志码:
基金项目:广东省科技发展专项资金2016A050503035; 广东省自然基金自由申请项目2015A030313742
引用文本:
李晴岚,刘炳荣,杨琳,李辉,曹宇麟,唐小新,孙石阳,孙立群,2018.[en_title][J].Meteor Mon,():-.
Li Qinglan,Liu Bingrong,Yang Lin,Li Hui,Cao Yulin,Tang,Sun Shiyang,Sun Liqun,2018.Seasonal wind characteristic in Shenzhen Area[J].Meteor Mon,():-.