东南印度洋海域冬季水文特征及其水团分析

发布时间：2017-12-26 19:11

本文关键词：东南印度洋海域冬季水文特征及其水团分析　出处：《解放军理工大学学报(自然科学版)》2017年02期 　论文类型：期刊论文

【摘要】：为了研究东南印度洋海域冬季水文特征及其水团结构,利用澳大利亚海洋与南极研究所2012-2013年南半球冬季在东南印度洋观测得到的温度、盐度和溶解氧的资料进行分析。结果表明:表层温度呈现明显的北高南低态势,次表层均存在较强的温度、盐度、密度跃层,且均呈现出高/低盐带与高/低溶解氧带,高盐带在经向断面上最为明显;在105°E断面上存在显著的中尺度现象,且呈现上下层暖、冷涡叠置的分布特征,根据温度、盐度及溶解氧的特性,除南印度洋中央水和南极中层水外,分别将研究海域其他水团命名为副热带东南印度洋表层水、副热带东南印度洋次表层水、副热带东南印度洋模态水、副热带东南印度洋中层水、副热带东南印度洋深层水和副热带东南印度洋底层水,并给出各自的特性指标。
[Abstract]:In order to study the Southeast India ocean winter hydrological characteristics and water masses, were analyzed by the Australian marine and Antarctic Research Institute for 2012-2013 years in the southern hemisphere winter temperature, salinity and dissolved oxygen from Southeast India ocean observation data. The results show that the surface temperature showed an obvious trend from north to south, there are subsurface temperature and salinity, strong pycnocline, and showed high / low salt and high / low dissolved oxygen, high salt zone in the meridional section of the most obvious; there are significant mesoscale phenomena in 105 at section E, and presents the distribution characteristics of the upper and lower heating, cold vortex superimposed, according to the characteristics of temperature, salinity and dissolved oxygen, in addition to the south central India ocean water and Antarctic intermediate water, sea water will respectively study the other named Subtropical Southeast India ocean surface water, Subtropical Southeast of India ocean subsurface water India ocean, the Subtropical Southeast subtropical mode water, middle water and Deep Ocean southeast of India Subtropical Southeast India ocean water and the Subtropical Southeast India ocean water index and gives the respective characteristics.
【作者单位】：上海海洋大学海洋科学学院;上海海洋大学大洋渔业资源可持续开发省部共建教育部重点实验室;塔斯马尼亚大学海洋与南极研究所;
【基金】：科技部南北极环境综合调查与评估专项资助项目(CHINARE2015-01-01)
【分类号】：P731
【正文快照】： 上海201306;3.塔斯马尼亚大学海洋与南极研究所,霍巴特7004)东南印度洋东部紧邻澳大利亚西海岸,西部以90°E海脊为界,北部通过印度尼西亚贯穿流(Indone-sian throughflow,ITF)连接西太平洋暖池,南部与开阔的南大洋相连,该海域在全球气候演变中占据重要地位。作为唯一向大气输

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