中国大陆现今垂直形变特征的初步探讨

被引:43
作者
刘经南
姚宜斌
施闯
陶本藻
姜卫平
机构
[1] 武汉大学
[2] 武汉大学测绘学院
[3] 武汉大学GPS工程研究中心
关键词
中国大陆; 垂直形变; GPS观测; 水准;
D O I
10.14075/j.jgg.2002.03.001
中图分类号
P227 [动态大地测量];
学科分类号
摘要
利用GPS观测资料进行大范围的垂直形变特征研究是本文研究的重点。通过网络工程基准站和基本站的GPS观测资料 ,绘制了中国大陆的垂直速率等值线图像 ,并对中国大陆垂直运动特征进行了定性的分析 ,结果表明 :中国大陆垂直运动在 70 %以上的区域表现为沉降运动 ,在青藏高原和除北京外的整个华北块体及燕山块体的垂直运动表现为隆升的趋势。中国大陆西北和东南、西南和东北的整体垂直运动呈一种斜对称状态。对基于GPS观测所得的等值线图与基于水准观测所得的等值线图进行了比较 ,比较结果显示 ,除了华南块体外 ,二者在整体趋势上比较一致
引用
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页码:1 / 5
页数:5
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