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重力波与潮汐之间的非线性相互作用 被引量：2

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摘要 采用二维可压缩大气中重力波非线性传播的数值模式,研究了重力波与潮汐之间的非线性相互作用.结果表明,重力波在潮汐背景中传播时,先后在z=75-85,z=90-110和z=15-130km3个高度上发生不稳定.垂直波长首先由12km变成27km左右,新生成的长波逐渐被压缩并再次生成20km左右的长波.长波和短波出现的高度分别对应于反向和同向背景风场区域的高度.在重力波主要的破碎区域（90-110km）以上,仍有部分重力波继续上传.重力波在上传过程中除了对背景风场加速之外,还增大了潮汐的振幅,特别是在重力波发生不稳定之后,对潮汐振幅的放大作用更加明显.
作者 刘晓 徐寄遥 马瑞平
机构地区 中国科学院空间科学与应用研究中心中国科学院空间天气学国家重点实验室
出处 《中国科学（D辑）》 CSCD 北大核心 2007年第7期990-996,共7页 Science in China(Series D）
基金 国家自然科学基金项目(批准号:40674088 40225011 40523006) 国家重点基础研究发展计划(编号:2006CB806306) 武汉大学地球空间环境与大地测量教育部重点实验室开放基金项目共同资助
关键词 重力波 潮汐 背景风场 非线性相互作用 重力波参数化
分类号 P731.23 [天文地球—海洋科学]
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参考文献30

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二级参考文献55

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共引文献31

同被引文献13

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二级引证文献24

中国科学（D辑）
2007年 第7期

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