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首页> 外文期刊>Ground water >Interbasin Underflow Between Closed Altiplano Basins in Chile
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Interbasin Underflow Between Closed Altiplano Basins in Chile

机译：智利封闭高原盆地之间的盆地间底流

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摘要

Interbasin ground water movement of 200 to 240 L/sec occurs as underflow beneath a mountainous surface water divide separating the topographically higher Salar de Michincha from the topographically lower Salar de Coposa internally drained basins in the Altiplano of northern Chile. Salt-encrusted flats (salars) and saline lakes occur on the lowest parts of the basin floors and comprise the principal evaporative discharge areas for the basins. Because a surface water divide separates the basins, surface water drainage boundaries do not coincide with ground water drainage boundaries. In the region, interbasin ground water movement is usually not recognized, but occurs for selected basins, and at places is an important component of ground water budgets. With increasing development of water for mining industry and potential exportation of ground water from the Altiplano for use at coastal cities, demonstration and quantification of interbasin movement is important for assessment of sustainable ground water development in a region of extreme aridity. Recognition and quantification of interbasin ground water underflow will assist in management of ground water resources in the arid Chilean Altiplano environment.
机译：流域之间的地下水运动速度为200至240 L / sec，这是由于在智利北部的Altiplano地区，地势较高的Salar de Michincha与地势较低的Salar de Coposa内部流失盆地之间的山区地表水之间发生了底流。盐渍公寓（撒拉）和盐湖出现在盆地底部的最低部分，构成了盆地的主要蒸发排放区域。由于地表水分隔了盆地，地表水的排水边界与地下水的边界不重合。在该地区，流域间的地下水运动通常未被识别，但发生在选定的流域，并且在某些地方是地下水预算的重要组成部分。随着采矿业用水的增长和潜在的Altiplano地下水出口以供沿海城市使用，流域间运动的示范和量化对于评估极端干旱地区的可持续地下水发展至关重要。对流域间地下水渗流的认识和量化将有助于在干旱的智利高原环境中管理地下水资源。

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