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首页> 外文期刊>Journal of Geophysical Research, C. Oceans: JGR >Distribution of the thermohaline characteristics in the Aegean Sea related to water mass formation processes (2005–2006 winter surveys)
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Distribution of the thermohaline characteristics in the Aegean Sea related to water mass formation processes (2005–2006 winter surveys)

机译：与水质量形成过程有关的爱琴海热盐特征的分布（2005-2006年冬季调查）

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摘要

Aiming at portraying the Aegean’s water mass structure and identifying Dense Water Formation processes, two winter cruises were conducted in 2005–2006, across the plateaus and depressions of the Aegean Sea. The most prominent feature of the water mass distribution in the basin is a distinct “X‐shape” of the Θ‐S characteristics, suggesting a complicated coupling of the major Aegean sub‐basins. The surface and deep waters are relatively decoupled with diverse origin characteristics, while the intermediate layers act as connectors of the main thermohaline cells. The Central Aegean seems to play a key role due to formation processes of water masses with densities equal and/or higher than 29.2 kg/m~3, that take place in the sub‐basin and disperses in the North Aegean. On the other hand, the South Aegean appears greatly influenced by the Eastern Mediterranean circulation and water mass distribution, especially under the Eastern Mediterranean Transient status. The Transitional Mediterranean Water monitored in the post‐EMT period and characterized by low temperature at 14.2℃, low salinity at 38.92 and low dissolved oxygen at 3.97 ml/l, with its core around 750 m and above the saline (39.06) Cretan Deep Water, altered significantly the South Aegean structure. The pre‐EMT thermohaline pattern of the Central and South Aegean deep layers were similar, while the bottom density of the Central basin was higher than that in the South Aegean. Thus, it is possible that the deep waters of the Central Aegean acted as a dense water reserve supply for the deeper part of the Southern basin.
机译：为了描绘爱琴海的水团结构并确定稠密的水形成过程，2005-2006年在爱琴海的高原和洼地进行了两次冬季航行。流域水量分布的最突出特征是Θ-S特征的明显“ X形”，这表明爱琴海主要流域的耦合很复杂。地表水和深水相对分离，具有不同的起源特征，而中间层则充当主要热盐池单元的连接器。由于密度等于和/或高于29.2 kg / m〜3的水团的形成过程发生在次流域并分散在北爱琴海中，爱琴海中部似乎起了关键作用。另一方面，爱琴海南部地区受东地中海环流和水量分布的影响很大，特别是在东地中海瞬态状态下。在过渡期之后监测地中海过渡水，其特征是温度低14.2℃，盐度低38.92，溶解氧低3.97 ml / l，其核心约750 m且在盐水中（39.06）克里特岛深层水，大大改变了南爱琴海的结构。中部和南部爱琴海深层的ＥＭＴ前热盐模式相似，而中部盆地的底部密度高于南爱琴海。因此，中部爱琴海的深水有可能充当南部盆地深部的稠密水储备供应。

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