梅源,张旭东,孙丽娜,孟俊敏,王晶

• 1:中国海洋大学信息科学与工程学院
• 2:国家海洋局第一海洋研究所

摘要(Abstract)：

高分一号(GF-1)光学遥感卫星的发射为海洋内波的研究提供了精细的观测资料,利用其图像高空间分辨率的优势,结合高时间分辨率的中分辨率成像光谱仪(MODIS)的匹配数据,能够对南中国海东沙岛附近的内波开展特征参量的反演。本文处理了GF-1和MODIS的准同步图像,选取东沙岛附近的相邻时刻的同一条内波进行分析,提取其空间位移,计算出内孤立波传播的群速度。分析GF-1和MODIS图像上同一条内波的灰度剖面,计算了明暗条纹间距,结合当地水深和温盐数据,应用非线性薛定谔方程反演内孤立波的振幅,探究大陆架附近内孤立波的振幅演变。研究结果表明:内孤立波的群速度在东沙岛附近向西传播过程中逐渐变小;在相似的温盐条件下,遥感图像中内波的明暗条纹间距和振幅呈现负相关,在深海区水深和振幅呈现正相关关系,在浅海区由于非线性作用增强会出现振幅随水深变小反而增大的现象。

关键词(KeyWords)： 海洋内波;光学遥感;群速度;振幅;准同步

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(61171161)资助~~

作者(Author): 梅源,张旭东,孙丽娜,孟俊敏,王晶

DOI: 10.16441/j.cnki.hdxb.20150373

参考文献(References)：

• [1]Jackson C.Internal wave detection using the moderate resolution imaging spectroradiometer(MODIS)[J].Journal of Geophysical Research,2007,112:C11012-1-C11012-13.
• [2]Alford M H.The formation and fate of internal waves in the South China Sea[J].Nature,2015,521(7550):65-69.
• [3]Guo C and Chen X.A review of internal solitary wave dynamics in the northern South China Sea[J].Progress in Oceanography,2014,121:7-23.
• [4]Lien R C.Large-amplitude internal solitary waves observed in the northern South China Sea:properties and energetics[J].Journal of Physical Oceanography,2014,44(4):1095-1115.
• [5]蔡树群,何建玲,谢皆烁.近10年来南海孤立内波的研究进展[J].地球科学进展,2011,26(7):703-710.Cai S Q,He J L and Xie J S.Recent decadal progress of the study on internal solitons in the South China Sea[J].Advances in Earth Science,2011,26(7):703-710.
• [6]张旭东,王晶,魏子章,孙丽娜,孟俊敏.利用光学遥感探测南中国海内波[J].激光与光电子学进展,2015,52(4):042802-1-042802-5.Zhang X D,Wang J,Wei Z Z,Sun L N and Meng J M.Detection of internal solitary wave in the South China Sea using optical remote sensing[J].Laser&Optoelectronics Progress,2015,52(4),042802-1-042802-5.
• [7]Song S Y,Wang J,Meng J M,et al.Nonlinear Schrodinger equation for internal waves in deep sea[J].Acta Physics Sinica,2010,1123-1129.
• [8]Wang J,Guo K and Meng J M.Study of the propagation model for large-amplitude internal waves in deep sea[J].Chinese Journal of Lasers,2012,39(s2):214004-1-214004-6.
• [9]王晶,郭凯,孙美玲,孟俊敏.3层模型的内波传播方程与参数反演[J].遥感学报,2015,19(2):188-194.Wang J,Guo K,Sun M L and Meng J M.Nonlinear schrodinger equation and parametric inversion of internal wave propagation using three-layer model[J].Journal of Remote Sensing,2015,19(2):188-194.
• [10]Yang D T.Investigating internal waves east of the Hainan Island using optical satellite remote sensing data[J].Journal of Tropical Oceanography,2009,28(5):29-34.
• [11]Chen G Y.Interaction and generation of long‐crested internal solitary waves in the South China Sea[J].Journal of Geophysical Research,2011,116:C06013-1-C06013-7.
• [12]Liu B Q.Fusion of SAR and MODIS images for oceanic internal waves tracking in the South China Sea[J].Proceedings of SPIE,2013,8921:89210L.
• [13]Liu B Q.Internal solitary wave propagation observed by tandem satellites[J].Geophysical Research Letters,2014,41(6):2077-2085.
• [14]黄晓冬,赵玮.基于MODIS图像的内孤立波信息反演——以南海北部深水区为例[J].中国海洋大学学报(自然科学版),2014,44(7):19-23.Huang X D and Zhao W.Information of internal solitary wave extracted from MODIS image:a case in the deep water of northern South China Sea[J].Periodical of Ocean University of China,2014,44(7):19-23.
• [15]Zheng Q N.Theoretical expression for an ocean internal soliton synthetic aperture radar image and determination of the soliton characteristic half width[J].Journal of Geophysical Research,2001,106(C12):31415-31423.
• [16]Liu A K,Su F C,Hsu M K,et al.Generation and evolution of mode-two internal waves in the South China Sea[J].Continental Shelf Research,2013,59:18-27.
• [17]马瑞玲.深海内波传播模型及其数值模拟的研究[D].青岛:中国海洋大学,2012.Ma R L.Study on the Propagation Model for the Deep-Sea Internal Waves and Its Numerical Simulation[D].Qingdao:Ocean University of China,2012.
• [18]Li X Y,Wang J,Sun M L,et al.Internal wave parameter inversion at Malin Shelf edge based on the nonlinear Schrodinger equation[J].Applied Mechanics and Materials,2014,441:388-392.
• [19]康健.光学遥感影像中耀斑区内孤立波信息提取模型[D].青岛:中国海洋大学,2009.Kang J.Internal Solitary Wave Retrieval Model from Sun Glint of Optical Remote Sensing Images[D].Qingdao:Ocean University of China,2009.
• [20]甘锡林,黄韦艮,杨劲松,等.利用多源遥感卫星数据研究南海内波的时空分布特征[J].遥感技术与应用,2007,22(2):242-245.Gan X L,Huang W G,Yang J S,et al.The study of spatial and temporal distribution characteristics of internal waves in the South China Sea from multi-satellite data[J].Remote Sensing Technology and Application,2007,22(2):242-245.

文章评论(Comment)：