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摘要:
Based on data of number of fog and haze days in Baoji City from 1981 to 2013, the changing trends and mutation of number of fog and haze days in Baoji over the past 33 years were analyzed by using trend coefficient, tendency rate, linear regression analysis, anomaly percentage,Mann-Kendall mutation test and sliding fte st. The results showed that during the 33 years, the number of fog and haze days in Baoji declined by16.253 d/10 a , and there was a cyclical turbulence every 6 , 15 or 28 years. The frequency of fog and haze weather was the highest in winter, followed by spring and autumn, while it was the lowest in summer. According to the anomaly percentage of the number of fog and haze days in 12 months during 1981 -2 0 1 3 , the anomaly percentage changed most greatly in July, followed by September, October, April, May, June, August,February and March, but it fluctuated less greatly in January. The number of fog and haze days from 1981 to 2013 had obvious mutation trends in a single year and a single season, and mutation types are different.
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篇名 Changing Trend and Mutation Analysis of Number of Fog and Haze Days in Baoji City during 1981-2013
来源期刊 气象与环境研究:英文版 学科 地球科学
关键词 NUMBER of FOG and HAZE DAYS Changing features MANN-KENDALL METHOD Sliding fte s t METHOD Baoji China
年,卷(期) 2016,(4) 所属期刊栏目
研究方向 页码范围 5-9
页数 5页 分类号 P
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节点文献
NUMBER
of
FOG
and
HAZE
DAYS
Changing
features
MANN-KENDALL
METHOD
Sliding
fte
s
t
METHOD
Baoji
China
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
气象与环境研究:英文版
双月刊
2152-3940
出版文献量(篇)
1887
总下载数(次)
1
总被引数(次)
0
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