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On sea-ice dynamical regimes in the Arctic Ocean

机译:关于北冰洋海冰动力机制

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Central to an understanding of evolution in sea-ice characteristics in response to climate change is an understanding of sea-ice dynamics. In this study, we investigate regional differences in ice dynamics in the Beaufort Sea and High Arctic using high-frequency ice buoy (beacon) data deployed during the SEDNA and IPY-CFL field campaigns from spring 2007 to winter 2008. Examined in particular are scaling laws determined from absolute dispersion statistics. We create temporal scaling maps to determine whether distinct dynamical regimes can be identified with differing scaling properties. The results from this analysis provide an alternative characterization to changes in sea ice based on dynamics rather than concentration and thickness, and thus insight into, and improved understanding of, the connections between sea-ice drift and morphology.
机译:理解气候变化对海冰特征演变的核心是对海冰动力学的理解。在这项研究中,我们使用从2007年春季至2008年冬季在SEDNA和IPY-CFL野外活动期间部署的高频浮标(信标)数据,调查了波弗特海和北极地区冰动力学的区域差异。由绝对分散统计确定的定律。我们创建时间比例尺映射,以确定是否可以使用不同的比例尺属性标识不同的动态方案。该分析的结果提供了基于动力学而不是浓度和厚度的海冰变化的替代特征,因此可以洞察并改善对海冰漂移和形态之间联系的了解。

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