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Positive correlation between delta super(18)O in monsoon precipitationand atmospheric wind speed

机译:季风降水中的delta super(18)O与大气风速呈正相关

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摘要

Analyzed results of the atmospheric wind speed and stable isotopic data ( delta super(18)O) in summer precipitation at Bangkok, Bombay, New Delhi, Kunming and Lhasa, the IAEA/WMO stations, indicate that delta super(18)O in monsoon precipitation correlate positively to wind speed and that there exists a monsoonal vapor layer over these monsoon-controlled areas during monsoon seasons. The isotopic exchange happens between monsoon vapors and falling raindrops in the layer, resulting in this correlation between delta super(18)O and wind speed. This suggests that wind speed is probably one of key factors affecting the delta super(18)O variation besides air temperature and rainfall in the southwest monsoon domain.
机译:IAEA / WMO站曼谷,孟买,新德里,昆明和拉萨的夏季降水大气风速和稳定同位素数据(delta super(18)O)的分析结果表明,季风中的delta super(18)O降水与风速成正相关,并且在季风季节这些季风控制区上存在季风蒸气层。同位素交换发生在季风蒸气和层中的雨滴之间,导致delta super(18)O与风速之间存在这种相关性。这表明,除了西南季风区的气温和降雨外,风速可能是影响三角洲super(18)O变化的关键因素之一。

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