Argo观测的阿拉伯海水团性质和输送

J. Chowdary, C. Gnanaseelan, B. Thompson, P. Salvekar
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引用次数: 11

摘要

从Argo浮标获得的温度和盐度剖面等信息用于研究2002年至2004年阿拉伯海的水团性质。通过对不同位置水团结构的考察,揭示了阿拉伯海边缘海高盐度水的存在。在2002年西南季风季节,西南风的早发对西阿拉伯海(WAS)上层海洋温度和盐度结构的影响是明显的。在西南季风季节,由于强风的影响,地表密度变化更大。Argo温度和盐度剖面显示,11月下半月北阿拉伯海(NAS)上空冬季降温和阿拉伯海高盐度水(ASHSW)的形成始于100 m以上深度。在NAS中,波斯湾水(PGW)盐度在36以上,随着PGW沿26.6σθ (σθ为位密度)等压轴层向南移动,盐度降低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Water mass properties and transports in the Arabian Sea from Argo observations
The information acquired from Argo floats such as temperature and salinity profiles is used to study water mass properties in the Arabian Sea from 2002 to 2004. An examination of water mass structure at different locations reveals the presence of high salinity water of marginal seas in the Arabian Sea. During the southwest monsoon season, the impact of the early onset of southwesterlies is noticed in the upper ocean temperature and salinity structure over the Western Arabian Sea (WAS) during 2002. Surface density variations are found to be more during the southwest monsoon season due to strong wind forcing. Argo temperature and salinity profiles showed that the winter cooling and the formation of Arabian Sea High Salinity Water (ASHSW) over the Northern Arabian Sea (NAS) began during the second half of November within the upper 100 m depth. In the NAS, the Persian Gulf Water (PGW) salinity is above 36, as PGW moves towards the south along isopycnal layer of 26.6σθ (σθ is potential density) salinity decrea...
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