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| 1 | 2011-2014年中国北极物理海洋学的研究进展显示文摘过去十几年北极的快速变化以海冰变化为主要特征。然而,在冰-海-气变化系统中海洋起着关键性的作用。海洋是北极变化的关键因素,不仅影响着海冰的融化与冻结等过程,而且是大气变化的主要能量来源。在北极海冰快速变化的背景下,北冰洋的海洋特征也发生了一系列的变化。第四次国际极地年之后我国在北极科学研究中取得了一系列的进展,本文从北冰洋水团、锋面、海流等主要水文现象,以及上层海洋结构等方面,总结了2011-2014年我国在北极物理海洋学方面取得的一系列成果。 | 曹勇 赵进平 | 2015 | 海洋学报2015，37，11： | 7 |
| 2 | The Beaufort Gyre variation and its impacts on the Canada Basin in 2003–2012显示文摘The Beaufort Gyre(BG) was spun up in the last decade which is an important factor in regulating the variation of the upper ocean. The heat content and freshwater content of the upper ocean increased gradually in the Canada Basin, as did momentum input. Both the geostrophic wind curl and freshwater content could contribute to the spin-up of BG. However, even though there is no change of the wind field the increasing freshwater alone could result in the spin-up of BG. In this study we show that the Pacific Water is difficult to flow into the central basin as the BG spins up and the maximum temperature of the Pacific Summer Water(PSW) experienced a dramatic decrease inside the BG in 2005 and 2009 due to a change of flow pathway of PSW. The enhancement of Ekman Pumping(EP) contributed to the deepening of the Pacific Winter Water by piling up more freshwater. This change of water column dynamics has also contributed to the deepening ofthe Atlantic Water core after 2007. The EP decreased significantly in 2012(indicating a spin down of BG) and the direction of Ekman transport turned to the north, which favoured the release of freshwater that had resided in the basin for years. | ZHONG Wenli ZHAO Jinping SHI Jiuxin CAO Yong | 2015 | Acta Oceanologica Sinica2015，34，7： | 1 |
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