由中地中海喷流驱动的罗斯比波影响东地中海的中等层次动力学
Annunziata Pirro1, Milena Menna2, Elena Mauri2
1National Institute of Oceanography and Applied Geophysics - OGS, Trieste, Italy. apirro@ogs.it.
Scientific reports
|November 28, 2024
概括
塞浦路斯埃迪 (CE) 是一个反旋风泰勒柱,由中地中海喷流撞击伊拉托斯尼斯海山引起. 它的位置影响了下游的,并预测了Levantine Basin的动态.
科学领域:
- 海洋学 海洋学 海洋学
- 流体动力学 流体动力学
- 物理海洋学 物理海洋学
背景情况:
- 在地中海东部的Levantine Basin (LB) 地区,在Eratosthenes Seamount (ESM) 上面有一个突出的温暖的反旋风Cyprus Eddy (CE).
- 讨论了CE和相关 (SSE,NSE) 的形成和动态,影响LB的上升和生产力.
研究的目的:
- 调查塞浦路斯埃迪 (CE),南希克莫纳埃迪 (SSE) 和北希克莫纳埃迪 (NSE) 的形成机制.
- 了解这些旋对Levantine盆地的海洋学动态和生物生产力的影响.
主要方法:
- 多方法研究包括理论,数值建模,实验室实验和现场观测.
- 分析了中地中海喷流 (MMJ) 和伊拉托斯尼斯海山 (ESM) 之间的相互作用.
主要成果:
- 该CE被确定为由MMJ产生的反旋风泰勒柱,冲击ESM.
- SSE和NSE的形成与CE在32.7°E以西的位置有关,形成了下游的罗斯比波.
- CE位置取决于MMJ强度,受北约尼亚旋转模式的影响.
结论:
- 这项研究阐明了Levantine盆地的关键旋的生成机制.
- 这些发现使得预测地中海东部大气层动态可以提前三年.
- 识别的罗斯比波机制促进了海上营养物质的运输,这对LB的寡质环境至关重要.
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