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Research on Influence of Atmospheric Environmental Change on Crustal Deformation Observation
Pages: 412-418+489
Year: Issue:  3
Journal: Journal of Seismological Research

Keyword:  atmospheric environmental changecrustal deformationtidal anomalieswavelet analysisresponse spectrum;
Abstract: Tidal minute value data of digital crustal deformation in Hubei province from 2003 to 2013 are applied to analyze the response rule of observational crustal deformation on influence factor of atmospheric environmental change( atmospheric pressure,rainfall,typhoon and solar activity) by wavelet transform analyze method.The research results show that the influence of near surface atmospheric environmental factors on deformation observation data has the different characteristic in different frequency.The influence frequency of atmospheric pressure and temperature on deformation observation data mainly concentrates in low frequency range( 64 ~ 128 min).The tidal data respond to rainfall mainly concentrates in frequency spectrum from 0 to diurnal wave( 0 ~ 32 min)along with high frequency noise and non-tidal components.The influence of typhoon on tidal data is significant in high frequency spectrum of 1 ~ 4 s and 2 ~ 4 min.The strain observation data responds to the eclipse in low frequency( 128 ~ 256 min) at Huangmei station in 2009.
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