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地震

地震 ›› 1999, Vol. 19 ›› Issue (1): 41-48.

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利用地形变观测量求解地壳水平应变场的方法①

江在森, 张希, 王双绪, 祝意青   

  1. 中国西安 710054 中国地震局第二地形变监测中心
  • 收稿日期:1998-06-23 修回日期:1998-07-21 出版日期:1999-01-31 发布日期:2022-09-19
  • 作者简介:江在森,男,1956年3月出生,研究员,主要从事地壳形变与地震预报研究工作。
  • 基金资助:
    ①“九五”国家科技攻关项目（96-913-0401 01),中国地震局“九五”科研攻关项目（9504 04 01 01）

THE METHOD OF SOLVING HORIZONTAL CRUSTAL STRAIN FIELD BY USING CRUSTAL DEFORMATION OBSERVATION

Jiang Zaisen, Zhang Xi, Wang Shuangxu, Zhu Yiqmg   

  1. The Second Crustal Deformation Monitoring Center, CSB, Xi'an 710054, China
  • Received:1998-06-23 Revised:1998-07-21 Online:1999-01-31 Published:2022-09-19

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摘要： 在前人工作基础上,初步研究建立了利用多种地形变资料联合求解地壳应变连续分布的方法途径和数学模型。包括利用多种地形变观测资料整体解算测区分单元的应变张量的最小二乘平差模型,以及借助最小二乘配置进行应变空间连续分布估计的方法。并给出了对临渲水平形变阿监测资料的试算结果。

关键词: 地形变观测量, 水平应变场, 最小二乘配置

Abstract: In this paper, the mathematical model and means that can jointly solve the crustal strain continuous distribution by using varied observational data of crustal deformation are preliminar­ily studied and formed, on the basis of previous researches including the least square adjust ment model of integrally solving strain tensor of parting element in monitoring region by using varied observational data of crustal deformation, and method of estimating continuous space distribution of strain with the aid of least square collocation. Moreover, the calculated result of momtonng data is given for horizontal deformation monitoring net in Lintong region.

Key words: Observations of crustal deformation, Horizontal strain field, Least square collocation