利用GPS监测中国地壳的垂向季节性变化

被引:54
作者
张飞鹏
程宗颐
黄珹
董大南
程明康
机构
[1] 中国科学院上海天文台
[2] JetPropulsion Laboratory
[3] California Instituteof Technoloay
[4] Pasadena
[5] Center for Space Research
[6] University of Texas at Austin 国家天文观测中心
[7] 天文地球动力学联合研究中心
[8] 上海 
[9] 国家天文
关键词
地壳运动; 垂向季节性变化; GPS; 质量负荷位移;
D O I
暂无
中图分类号
P227 [动态大地测量];
学科分类号
摘要
通过归算中国GPS(全球定位系统)基准网1999~2001年近3年的观测数据,监测到了振幅为3~10 mm的高程季节性变化.并通过大气压、非潮汐海洋负荷、雪和地表水的质量负荷变化引起的地壳垂向季节性位移,可以解释所监测到的季节性变化的大部分.但GPS估计的季节性变化结果与质量负荷预报结果存在明显的系统性差别,合理的物理解释有待更长的GPS站坐标时间序列的获得和更进一步的研究.
引用
收藏
页码:1370 / 1377+1442 +1442
页数:9
相关论文
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