SATELLITE OBSERVATIONS OF EARTH CRUST AT ALMATY GEODYNAMIC POLYGON
Nurpeissova M. Menayakov K.T. Kartbayeva K.T. Ashirov B.M. Huayang D.
2021National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2021#6Issue 45093 - 101 pp.
Problem of modern geodynamics is considered. Information on the modern movements of earthcrust in Central Asia, including Alataufoothills, which is seismic active geodynamic regionis presented. Geodetic observation methods play an important role in the study of the current movements of the earth’s surface. For this reason, geodynamic polygons are created. Almaty geodynamic polygon (GDP) wascreatedintheyearsbetween 1970 and 1971. The area is located in the zone of 5 deep faults andit refers to Almaty seismic areas with magnitude of 9.Since 1971 in Almaty geodynamic polygon have been hold about 52 cycles of high-precision leveling classesI and II. Leveling network consists of 5 sections that laid in the area of 200 . Demand for geodynamics is also connected with the large-scale construction in the city, underground tunneling, etc. Data ongeological and geophysical conditions of Almaty has been collected.Particular attention is paid to modern determining methods of vertical movements of earthsurface by high-precision digital leveling and horizontal movements using GPS-measurements.Information on the organization of geodynamic processes monitoring in Almaty geodynamic polygon (GDP) is provided by the Institute of Seismology of the Republic of Kazakhstan and Satbayev University. The paper analyzes the results of high-precision leveling and GPS observations.The graphs of changes in the nature of vertical movements were built. According to the results of GPS measurements, the tables, graphs and analysis on the comparative results are shown, and the values of horizontal displacements on the GDP were evaluated. The following parameters of deformations were calculated: shift, dilation, rotation, maximum and minimum tension, compression and azimuth. Information on the organization of geodynamic processes monitoring in Almaty geodynamic polygon (GDP) is provided. Work results can be applied in any urbanized areas available for GPS. They can also be taken as a basis for control of especially critical areas of long-distance objects, mineral deposits development.
Almaty geodynamic polygon , geodetic methods , geodynamics , GPSmeasurements , interpretation of results , monitoring
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Satbayev University, Almaty, Kazakhstan
Seismological experimental-methodical expedition, Almaty, Kazakhstan
China University of Mining and Technology, Beijing, China
Satbayev University
Seismological experimental-methodical expedition
China University of Mining and Technology
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