Spatio-Temporal Characteristics of Dust Weather in Spring 2021 in China

doi:10.13466/j.cnki.lyzygl.2022.03.018

Abstract

Abstract:

Based on the dust storm monitoring data and meteorological data in spring 2021,the study analyzed spatio-temporal characteristics of dust weather in China.The results showed that the frequencyof dust weather in spring 2021 was less,the number of dust weatherdays was more,and the duration of dust process was longer.The intensity of dust weather was strong and the influence range was large.It mainly originated in southern Mongolia and then affect the north of China;The spring of 2021 was the period with strong influence of dust weather in the past 20 years.

Key words: dust weather, dust storm monitoring, characteristic, cause analysis

CLC Number:

P445.4

KONG Xiangji, WANG Yu, HUANG Kan, JIA Yuanxin, WANG Bang. Spatio-Temporal Characteristics of Dust Weather in Spring 2021 in China[J]. FOREST RESOURCES WANAGEMENT, 2022, (3): 117-121.

Figures/Tables 5

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Fig.1

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起止日期	沙尘天气类型	影响系统	影响面积/(万km²)	起源
03.13—03.18	强沙尘暴	蒙古气旋、地面冷锋	270	南疆东部和蒙古国
03.19—03.21	扬沙	地面冷锋	207	蒙古国、内蒙古西部及南疆盆地
03.27—04.01	强沙尘暴	蒙古气旋,地面冷锋	314	蒙古国
04.14—04.16	沙尘暴	蒙古气旋、地面冷锋	263	蒙古国、我国新疆东部和内蒙古西部
04.25—04.27	扬沙	蒙古气旋、地面冷锋	182	我国新疆东部、甘肃西部和蒙古国
05.01—05.03	扬沙	地面冷锋	65	我国新疆东部、甘肃西部和蒙古国
05.06—05.08	沙尘暴	蒙古气旋、地面冷锋	185	蒙古国和我国西北地区
05.11—05.12	扬沙	地面冷锋	28	我国新疆东部和南疆盆地
05.22—05.24	扬沙	地面冷锋	62	蒙古国南部和我国南疆盆地

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