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西昌市七级及以上风时空分布特征分析

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基于西昌市 13个气象观测站资料,分析了西昌市七级及以上风的时空分布特征.结果表明:(1)西昌市七级及以上风各月均有发生,季节差异大;(2)西昌市七级及以上风日数与极大风速整体均表现为中间河谷平原较多(大)、两侧山脉较少(小)且由北向南减少(小)的特征;(3)日极大风向表现出对称性和锁定性,南-北对称性强,东-西对称性弱,站点位置不同对应的锁定方向也有所区别,单站点锁向有强连续性.
Analysis on the Spatial and Temporal Distribution Characteristics of Force Seven and Above Wind in Xichang
Based on the data of 13 meteorological observation stations in Xichang,the distribution characteristics of force seven and above wind in Xichang are analyzed,and the following conclusions are drawn:(1)Force 7 and above winds in Xichang occur in each month,with large seasonal differences.(2)The number of days and the maximum wind speed are characterized by more(large)in valley plains in the middle,less(small)in mountains on both sides,decreasing(small)from north to south.(3)The daily extreme wind direction shows symmetry and orientate.The south-north symmetry is strong,and the east-west symmetry is weak.The locking directions corres-ponding to different station locations are also different,and the single station locking direction has strong continuity.

XichangForce 7 and above windDistribution characteristic

刘皓、黄淑娟

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四川省凉山州气象局,西昌 615000

高原与盆地暴雨旱涝灾害四川省重点实验室,成都 610072

西昌 七级及以上风 分布特征

四川省2024年度科技计划项目高原与盆地暴雨旱涝灾害四川省重点实验室项目凉山州气象局科研项目凉山州气象局科研项目

2024YFTX0016SCQXKJYJXMS202111凉气函[2023]126号-2凉气函[2023]2号-16

2024

高原山地气象研究
中国气象局成都高原气象研究所 中国气象学会高原气象学委员会

高原山地气象研究

CSTPCD
影响因子:1.313
ISSN:1674-2184
年,卷(期):2024.44(z1)
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