Wave propagation in the marginal ice zone: connections and feedback mechanisms within the air-ice-ocean system.
Wave propagation in the marginal ice zone: connections and feedback mechanisms within the air-ice-ocean system.
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DOI：
10.1098/rsta.2021.0251
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发表时间：
2022-10-31
期刊：
影响因子：
5
通讯作者：
Thomson, Jim
中科院分区：
文献类型：
--
作者：
Thomson, Jim
海洋表面波在边缘冰区（MIZ）的传播是这一动力区的一个定义现象。经过几十年的研究，已经开发了各种方法来观察和模拟波浪在MIZ中的传播，共同的重点是确定波浪随着进入MIZ的距离的增加而衰减。最近，研究已经开始探索波浪衰减的后果和空气-冰-海洋-陆地系统中的耦合过程。了解这些耦合过程和影响对于准确的高纬度预报至关重要。当波浪衰减时，它们的动量和能量转移到海冰和上层海洋。这可以根据条件来压缩或扩展MIZ，同时调节系统上的风功。波浪衰减也是海岸动力学中的一个关键过程，其中陆地坚冰在历史上保护了自然海岸和沿海基础设施。随着观测到的波浪活动增加和季节性冰盖消退的趋势，波浪在MIZ内的传播对区域和全球气候趋势越来越重要。这篇文章是“边缘冰区动态的理论，建模和观测：多学科的观点和展望”主题问题的一部分。
The propagation of ocean surface waves within the marginal ice zone (MIZ) is a defining phenomenon of this dynamic zone. Over decades of study, a variety of methods have been developed to observe and model wave propagation in the MIZ, with a common focus of determining the attenuation of waves with increasing distance into the MIZ. More recently, studies have begun to explore the consequences of wave attenuation and the coupled processes in the air–ice–ocean–land system. Understanding these coupled processes and effects is essential for accurate high-latitude forecasts. As waves attenuate, their momentum and energy are transferred to the sea ice and upper ocean. This may compact or expand the MIZ, depending on the conditions, while simultaneously modulating the wind work on the system. Wave attenuation is also a key process in coastal dynamics, where land–fast ice has historically protected both natural coasts and coastal infrastructure. With observed trends of increasing wave activity and retreating seasonal ice coverage, the propagation of waves within the MIZ is increasingly important to regional and global climate trends. This article is part of the theme issue ‘Theory, modelling and observations of marginal ice zone dynamics: multidisciplinary perspectives and outlooks’.
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