The thermohaline structure of water in the Antarctic coastal areas adjoining Molodezhnaya, Novolazarevskaya, and Bellingshausen stations is analyzed using many-hour soundings carried out in March–April 2019 during the 64th Russian Antarctic Expedition on the Akademik Fedorov research vessel. Water masses typical of the Antarctic zone (Antarctic surface, Antarctic shelf, Antarctic winter, upper circumpolar deep water, Bransfield Strait surface water) are identified, and the features of their temporal variability are described. It is shown that intradaily and interdaily variations in water temperature and salinity were observed during the measurement period. The changes in the water structure in the area of Molodezhnaya, Novolazarevskaya, and Bellingshausen stations occurred under changes in synoptic atmospheric conditions, and their frequency was close to that of tidal processes.

中文翻译：

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来自俄罗斯第64次南极远征测量的2019年3月至4月南极沿海地区水的热盐结构

使用在2019年3月至2019年4月进行的第64届俄罗斯南极探险队在费卡洛夫（Akademik Fedorov）上进行的多次小时探测，分析了毗邻Molodezhnaya，Novolazarevskaya和Bellingshausen站的南极沿海地区的水的盐碱结构研究船。确定了南极地区典型的水团（南极表面，南极大陆架，南极冬季，上极极深水，布兰斯菲尔德海峡地表水），并描述了它们的时间变化特征。结果表明，在测量期间每天和每天都有水温和盐度变化。Molodezhnaya，Novolazarevskaya和Bellingshausen站区域的水结构变化是在天气条件变化的条件下发生的，其频率接近潮汐过程。