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首页> 外文期刊>Bulletin of the American Meteorological Society >THE SOUTH AMERICAN LOW-LEVEL JET EXPERIMENT
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THE SOUTH AMERICAN LOW-LEVEL JET EXPERIMENT

机译:南美低水平射流实验

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摘要

A continental-scale gyre (South Atlantic subtropical high) transports moisture westward from the tropical Atlantic Ocean to the Amazon basin, and then southward toward the extratropics of South America (Fig. 1). A regional strengthening of this gyre to the east of the Andes Mountains has been called SALLJ (a list of acronyms and their expansions appears in Table 1 on p. 13), with the strongest winds being observed in Bolivia near Santa Cruz de la Sierra. SALLJ is a key feature of the continent's climate, transporting considerable moisture from the Amazon to the La Plata basins (Virji 1981; Paegle et al. 1987) (Fig. 2). The La Plata basin, located over central and subtropical South America (Fig. 1), drains a region similar in size to the MississippiRiver basin, with the water cycles having a comparable magnitude.
机译:大陆尺度的回旋带(南大西洋副热带高压)将水分从热带大西洋向西输送到亚马逊河盆地,然后向南输送到南美的温带气团(图1)。安第斯山脉以东的这个旋流的区域增强被称为SALLJ(首字母缩写及其扩展列表见第13页的表1),在圣克鲁斯-德拉塞拉附近的玻利维亚观测到最强的风。 SALLJ是非洲大陆气候的主要特征,它将大量的水分从亚马逊河运到拉普拉塔盆地(Virji 1981; Paegle等,1987)(图2)。位于南美中部和亚热带的拉普拉塔盆地(图1)排水面积与密西西比河盆地相似,而水循环的大小却相当。

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