[1]XIE Xiao-feng,CHONG Jia-jun,LIU Yuan-yuan,et al.Inversing the Crustal Thickness in Ningxia Area by H-Kappa Method[J].Journal of Seismological Research,2010,33(03):308-313.
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Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
33
Number of periods:
2010 03
Page number:
308-313
Column:
Public date:
2010-03-01
- Title:
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Inversing the Crustal Thickness in Ningxia Area by H-Kappa Method
- Author(s):
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XIE Xiao-feng1; CHONG Jia-jun2; LIU Yuan-yuan2; YAO Lin1
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(1.Earthquake Administration of Ningxia Hui Autonomous Region,Yinchuan 750001,Ningxia,China)(2.School of Earth and Space Sciences,University of Science and Technology of China,Hefei 230026,Anhui,China)
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- Keywords:
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receiver function; crustal thickness; Poisson ratio; Ningxia area
- CLC:
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P315.63
- DOI:
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- Abstract:
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Receiver functions were calculated by using teleseismic records of Ningxia Digital Seismic Network,and crustal thickness in Ningxia area is obtained by stacking receiver functions with H-Kappa technique.The results reveal that the average crustal thickness in Ningxia is about 46 km,and the crust becomes thinner from Southwest to Northeast.The crust in the South is 15 km thicker than that in the North,while the one in the West is 8 km thicker than that in the East.The Poisson ratio in the North and the middle South has a higher value,while in the middle North it is relatively low.These results will be valuable for understanding the velocity structure and the contents of the crust in the Ningxia area.