The solar eclipse and associated atmospheric variations observed in South Korea on 22 July 2009

被引：0
|
作者：
Yong Seung Chung
Hak Sung Kim
Seung Ho Choo
机构：
[1] Korea Centre for Atmospheric Environment Research,
来源：
Air Quality, Atmosphere & Health | 2010年 / 3卷
关键词：
Solar eclipse; Atmospheric variations; Decrease in radiation and air temperature; Increase in humidity and decrease in winds; Ozone decrease;
D O I：
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中图分类号：
学科分类号：
摘要：
A partial solar eclipse occurred in South Korea on 22 July 2009. It started at 09:30 a.m. and lasted until 12:14 LST with coverage of between 76.8% and 93.1% of the sun. The observed atmospheric effects of the eclipse are presented. It was found that from the onset of the eclipse, solar radiation was reduced by as much as 88.1 ∼ 89.9% at the present research centre. Also, during the eclipse, air temperature decreased slightly or remained almost unchanged. After the eclipse, however, it rose by 2.5 to 4.5°C at observed stations. Meanwhile, relative humidity increased and wind speeds were lowered by the eclipse. Ground-level ozone was observed to decrease during the event.
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页码：125 / 130
页数：5
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