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After more than ten years of continuous research, China Institute of Surveying and Mapping and Sciences has built a large-scale scientific computing platform for geophysical geodesy with international characteristics (Chinese and English version) , which will be opened to the public in the near future. The
platform consists of high-precision gravity field approximation and geodetic level refining system PAGravf4.5 and the earth's tidal load effect and deformation monitoring and computing system ETideLoad4.0. It integrates the research results of the geodetic measurement of the Academy of Sciences in the past 20 years, and is completely independently developed. The scientific computing platform is committed to improving the scientific and technological education environment in which such computing resources are seriously lacking in geology at home and abroad, demonstrating the charming potential of geodetic measurement, shaping the coordinated heterogeneous geodetic measurement benchmark (a geodetic measurement system that deeply integrates multi-source heterogeneous earth data and a geodetic measurement framework that collaborates with multiple earth observation technologies), and consolidating the effectiveness of geodetic measurement application. The completion of a large-scale public-friendly scientific computing platform will play an important role and practical impact on the Academy of Sciences to improve the public-friendly service level of geodetic measurement, develop geodetic measurement science and technology education, improve the innovation environment for collaborative production technology, and promote international academic and technological exchanges.
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high-precision gravity field approximation and geodetic surface calculation system PAGravf4.5 strictly follows the theoretical and technical requirements of physical geodetic . By constructing a unified analytical algorithm system with various gravity field elements and various properties and topography outside the earth, it can cope with the needs of geophysical gravity exploration and gravity field data processing in complex situations; build a gravity field integral and radial basis function approximation algorithm system in the boundary value theoretical framework to realize the full-factor modeling of gravity field with aliasing of multiple heterogeneous data and the refinement of 25px steady-state geodetic surfaces; explore the potential of earth's gravity field data and methods in elevation benchmark optimization, unified and application calculation, and comprehensively expand its application level.
The sphere tidal load effect and deformation monitoring calculation system ETideLoad4.0 is committed to adopting scientific and consistent geophysical models and strictly unified numerical standards to construct and analyze compatible geodetics and geodynamic algorithms, accurately calculate the various tidal/non-tidal effects of various geodetic observations and parameters of ground and solid extraterrestrial space, determine and refine the global or regional ground deformation field to timely change the earth's gravity field, realize quantitative monitoring of changes in surface dynamic environment and ground stability, and promote the coordination of multiple geodetic monitoring technologies and deep fusion of multi-source heterogeneous geodetic measurements.
URL: http://www.zcyphygeodesy.com
Preliminary review: Zhang Lin review: Song Qifan's final review: Jin Jun
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