海水折射率与温度、盐度关系的实验研究  

Relationship Between the Refractive Index of Seawater and Salinity, Temperature

作　　者：赵鲁梅 何仲 黄槐仁 程勇聪 云博进 Zhao Lumei;He Zhong;Huang Huairen;Cheng Yongcong;Yun Bojin(School of Science,Hainan Tropical Ocean University,Sanya,572022,China)

机构地区：[1]海南热带海洋学院理学院

出　　处：《中国现代教育装备》2019年第17期49-51,共3页China Modern Educational Equipment

基　　金：海南热带海洋学院2018年度校级教育教学改革项目“物理类创新实践平台的构建”(编号:RHYJG-06);海南省高等学校教育教学改革重大项目“基础物理省级实验教学示范中心建设运行机制研究与实践”(编号:Hnjgzd2014-09)

摘　　要：海水折射率作为海-气交界面光学性质的一个重要指标,对研究海洋光学、海洋动力学及海气相互作用有重要意义。根据掠面入射法原理,利用阿贝折射仪和超级恒温槽测量不同温度和盐度下的海水折射率,并利用Origin软件对实验数据进行数值分析和模拟。结果表明,在盐度恒定时,海水折射率与温度均呈负线性关系,其随温度每升高1℃而降低2×10^-4;在温度恒定时,模拟海水折射率与盐度呈正线性关系,其随盐度每增加1‰而增大2×10^-4;同时,还分别给出了海水折射率随温度、盐度变化的近似表达式。Seawater refractive index is one of the important index of optical properties on the air-sea interface. It has important significance for the study of ocean optics, ocean dynamics and air-sea interaction. We made a measurement of the refractive index of seawater under different temperature and different salinity by super constant temperature trough and Abbe refractometer, which based on the method of Abbemat refratometer. With the Origin software, we analyzed and simulated the data obtained respectively, it is found that the refractive index of seawater has a negative linear relation with the temperature at constant salinity. As the temperature increases, the refractive index decreases 2×10^-4 per 1℃. Simulated seawater has a positive linear relationship to salinity at constant temperature. As the salinity increases, the refractive index increases 2×10^-4 per 1‰. The approximate expression of the refractive index with temperature and salinity is given in this paper.

关 键 词：阿贝折射仪 折射率 海水 温度 盐度 

分 类 号：P733[天文地球—物理海洋学] O435.1[天文地球—海洋科学]