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METHOD FOR MONITORING CRUSTAL MOVEMENTS, METHOD FOR SPECIFYING REGION WHERE ABNORMAL CRUSTAL MOVEMENT OCCURS, AND CRUSTAL MOVEMENT MONITORING SYSTEM
METHOD FOR MONITORING CRUSTAL MOVEMENTS, METHOD FOR SPECIFYING REGION WHERE ABNORMAL CRUSTAL MOVEMENT OCCURS, AND CRUSTAL MOVEMENT MONITORING SYSTEM
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机译：地壳运动的监测方法，异常地壳运动发生部位的确定方法和地壳运动监测系统
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摘要
A method for monitoring crustal movements is provided with: an observation point movement observation step for setting a plurality of observation points on a ground surface and finding, with respect to each of components in a three-dimensional orthogonal coordinate system with the center of gravity of the Earth as an origin point, the movement amount of the coordinate value of each of the observation points in the three-dimensional orthogonal coordinate system; a reference line setting step for extracting a plurality of pieces of stable movement processing data relating to a year when no abnormal crustal movement occurs from time-series movement data relating to a plurality of years obtained from the movement amount, and on the basis of the plurality of pieces of stable movement data the noise component of which is subjected to removal processing, setting the reference line of a yearly movement strain cycle; and an abnormal crustal movement determination means for comparing new movement data obtained by observing the coordinate value in the three-dimensional orthogonal coordinate system at each of the observation points with the reference line, confirming the presence or absence of deviation of the new movement data from the reference line, and determining that an abnormal crustal movement occurs when the deviation is confirmed by a factor other than the noise component.
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