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Atmospheric Moisture Harvesting in the Hyper-Arid Atacama Desert
Stretching along the Pacific coastline of northern Chile and southern Peru, the Atacama Desert represents the driest non-polar expanse on the planet. This extreme aridity stems from two complementary geographical barriers: the towering Andean cordillera, which blocks moist air masses originating over the Amazon Basin, and the cold offshore Humboldt Current. The latter chills the lower marine atmosphere, inducing a permanent temperature inversion that suppresses convective precipitation. Consequently, vast interior sectors of this plateau experience negligible annual rainfall, leaving the mineral soil almost completely devoid of organic matter.
Despite this hyper-arid regime, the coastal perimeter sustains vibrant biological enclaves known as lomas. These fragile fog oases survive solely because the cool marine boundary layer generates a persistent stratocumulus cloud deck, locally termed the camanchaca. Driven inland by Pacific sea