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مقاله Surface Deformation Patterns Analyze Using 3D Finite Element Method (Case Study Sk?ne Area, Sweden) تحت pdf دارای 11 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است

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بخشی از متن مقاله Surface Deformation Patterns Analyze Using 3D Finite Element Method (Case Study Sk?ne Area, Sweden) تحت pdf :

سال انتشار: 1383

محل انتشار: همایش ژئوماتیک 83

تعداد صفحات: 11

نویسنده(ها):

Ramin Kiamehr – Royal Institute of Technology, Geodesy Division, SE -100 44 Stockholm, Sweden

چکیده:

A recent study of the active distortion of Sweden based on 200 earthquake solutions in southern Sweden and the offset of contours of postglacial land uplift rate (Talbot and Slunga, 1989) picked out several active faults in the region of our Skne GPS network. We estimate crustal deformation parameters in Skne, southern Sweden, using observations of the Global Positioning System (GPS) from 1996 and 1998 using 3D finite element approch. With using of two stations of the Swedish permanent GGPS network (Onsala and Hssleholm), it includes seven GPS sites spaced approximately 80 km apart. The network straddles the Tornquist zone; potentially one of the most active fault zones in Sweden.The precisions of the relative horizontal components for these stations approximately 3 mm in the north-south direction and about 2 mm in the east-west direction in the campaigns in the reference frame ITRF96. About 70% of the GPS integer carrier phase ambiguities were resolved for these campaigns. The Skne GPS network was chosen to straddle the WNW-ESE trending Tornquist zone, which, as the north boundary to the transition zone between the 42-45 Precambrian (> 1 Ga) gneisses of the Baltic shield to the north from the c. 30 km thick Phanerozoic Europe to the south,might be expected to be one of the most active faults in Sweden. This results of research indicates that that the stations in regions Veberod, Dalby and Kivik (in order) are most inactive points with minimum dilatation and shear strain and stations Hssleholm, Limhamn and Stavershult (inorder) are most active points. However in order to the interpretation of the results of this research it needs more details and also geophysical and geological view that left for future works.

 

 

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