一种基于表面状态参数的三维海洋动力学模型数值求解方法*

doi:10.11978/2019029

热带海洋学报 ›› 2020, Vol. 39 ›› Issue (1): 12-19.doi: 10.11978/2019029CSTR: 32234.14.2019029

一种基于表面状态参数的三维海洋动力学模型数值求解方法^*

李自立, 刘奥琦(), 莫旭涛

广西师范大学电子工程学院, 广西壮族自治区桂林 541004

收稿日期:2019-03-20 修回日期:2019-05-22 出版日期:2020-01-20 发布日期:2020-01-09
通讯作者: 刘奥琦
作者简介:李自立(1979—), 男, 广西桂林人, 副教授, 博士研究生,现从事海洋雷达信号的研究以及教学工作。E-mail: zlienishi@ mailbox.gxnu.edu.cn
基金资助:
国家自然科学基金项目(61661009)

A numerical method for solving the three-dimensional ocean dynamics model based on surface state parameters

LI Zili, LIU Aoqi(), MO Xutao

School of Electronic Engineering, Guangxi Normal University, Guilin 541004, China

Received:2019-03-20 Revised:2019-05-22 Online:2020-01-20 Published:2020-01-09
Contact: Aoqi LIU
Supported by:
National Natural Science Foundation of China(61661009)

摘要/Abstract

摘要：

大面积的海洋表面实时运动状态可以通过遥感技术获取, 而海洋内部的运动状态只能进行定点观测, 无法达到大面积的实时监测。基于海洋动力学基本原理, 在正压浅海大陆架模式下, 在三维空间构建海洋表面与内部运动状态的关系模型; 利用遥感探测的海洋表面流速与流向数据, 结合海域的浪高、风速状态参数, 运用有限差分法反演出深层海流的流速与流向信息。反演结果符合海洋动力学规律, 反映出了深层流整体分布状态, 扩展了雷达遥感应用范围。

关键词: 遥感测量, 海洋运动, 有限差分, 三维水动力模型

Abstract:

The real-time motion state of large-scale surface ocean can be obtained by remote sensing technology, while the motion state of the interior ocean can only be obtained by the fixed point observation, which cannot achieve the real-time monitoring of a large area. Based on the basic principles of ocean dynamics, we construct a relationship model between ocean surface and internal motion state in three-dimensional space under the barotropic shallow water continental shelf model. Based on the data of ocean surface velocity and direction detected by remote sensing, combining with the state parameters of wave height and speed, we use the finite difference method to obtain the information of speed and direction of the undercurrent. The inversion results conform to the law of ocean dynamics, reflect the overall distribution of the undercurrent and expand the application range of radar remote sensing.

Key words: remote sensing measurement, ocean movement, finite difference method, three-dimensional hydrodynamic model

中图分类号:

P731

李自立, 刘奥琦, 莫旭涛. 一种基于表面状态参数的三维海洋动力学模型数值求解方法^*[J]. 热带海洋学报, 2020, 39(1): 12-19.

LI Zili, LIU Aoqi, MO Xutao. A numerical method for solving the three-dimensional ocean dynamics model based on surface state parameters[J]. Journal of Tropical Oceanography, 2020, 39(1): 12-19.

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一种基于表面状态参数的三维海洋动力学模型数值求解方法^*

A numerical method for solving the three-dimensional ocean dynamics model based on surface state parameters

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