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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >An episode of coastal advection fog over east Antarctica
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An episode of coastal advection fog over east Antarctica

机译：南极东部沿海平流雾的发作

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摘要

An episode of fog during 8-9 January 1996 over the Schirmacher Oasis of East Antarctica was investigated. It revealed that the fog was formed due to advection of southeasterly winds by high moisturecontaining northwesterly winds, blowing from the ocean over the cold ice shelf, which leads to the condensation of moisture, thereby forming fog for a duration of about 24 h. A monostatic acoustic sodar recorded the episode, which revealed the thickness of fog layer up to an altitude of about 300 to 400 m. Supplementary meteorological and radiosonde data were utilized to understand the mechanisms of the formation and dissipation of advection fog in this region. Supporting literature illustrates that this type of fog is an important source of water for photosynthesis, growth, reproduction and other metabolic activities of the poikilohydric microbiotic crust inhabiting the cold, arid and dry ecosystem of the coastal East Antarctic oases.
机译：对1996年1月8日至9日南极东部的席尔马赫绿洲上的一次雾气进行了调查。结果表明，雾是由于高水平的含西北风的风向东南风平流而形成的，它从海洋吹过冷冰架，导致湿气凝结，从而形成雾持续约24小时。单基地声声雷达记录了这一事件，揭示了直到约300至400 m高度的雾层厚度。利用补充的气象和探空资料，了解了该地区对流雾的形成和消散机理。支持性文献表明，这种雾是栖息在东部南极绿洲沿海寒冷，干旱和干燥的生态系统中的微水生物微生物结皮的光合作用，生长，繁殖和其他代谢活动的重要水源。

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