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Extreme precipitation over Southeastern Brazil in the austral summer and relations with the Southern Hemisphere annular mode

机译:在南半球夏季,巴西东南部的极端降水以及与南半球环形模式的关系

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Southeastern Brazil is a highly industrialized and populated region which largely contributes to the country's economy. Extreme precipitation over this region can cause floods and landslides occurrences or lack of precipitation that can affect many sectors of economy. The objective of this work is to identify atmospheric characteristics associated with austral summer extreme precipitation over part of Southeastern Brazil. The atmospheric characteristics obtained from wet and dry composites suggest that extreme precipitation was associated with anomalous circulation over the region, forced by a PSA‐like wavetrain intensified by the Southern Annular Mode. Copyright © 2010 Royal Meteorological Society.
机译:巴西东南部是一个高度工业化和人口稠密的地区,为该国的经济做出了巨大贡献。该地区的极端降水会导致洪水和山体滑坡的发生,或者降水不足会影响许多经济部门。这项工作的目的是确定与巴西东南部部分地区夏季夏季极端降水有关的大气特征。从干湿复合材料获得的大气特征表明,极端降水与该区域的异常环流有关,这是由PSA和连字符所引起的,类似于由南环模增强的波列。版权所有©2010皇家气象学会。

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