三维Kriging方法中的变异函数套合

姚凌青; 潘懋; 成秋明; 常德峰

Volume 34 Issue 2

Mar. 2009

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Article Navigation > Earth Science > 2009 > 34(2): 294-298

YAO Ling-qing, PAN Mao, CHENG Qiu-ming, CHANG De-feng, 2009. Nested Overlap of Variograms in 3D Kriging. Earth Science, 34(2): 294-298.

Citation:

YAO Ling-qing, PAN Mao, CHENG Qiu-ming, CHANG De-feng, 2009. Nested Overlap of Variograms in 3D Kriging. Earth Science, 34(2): 294-298.

YAO Ling-qing, PAN Mao, CHENG Qiu-ming, CHANG De-feng, 2009. Nested Overlap of Variograms in 3D Kriging. Earth Science, 34(2): 294-298.

Citation:

YAO Ling-qing, PAN Mao, CHENG Qiu-ming, CHANG De-feng, 2009. Nested Overlap of Variograms in 3D Kriging. Earth Science, 34(2): 294-298.

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Nested Overlap of Variograms in 3D Kriging

1.
State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Wuhan 430074, China
2.
Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, Peking University, Beijing 100871, China
3.
Department of Earth and Space Science and Engineering, York University, Toronto M3J1P3, Canada
4.
Department of Architectural Engineering, Shandong Water Polytechnic, Rizhao 276826, China

Received Date: 2008-11-14
Publish Date: 2009-03-25

Abstract

Abstract

3D property modeling is hot nowadays in geoscientific researches, the essence of which is mapping geological properties in 3D space from limited samples by interpolation or simulation methods.By extending Kriging to 3D space which evolves to the so-called 3D Kriging, a reliable method can be provided for 3D property modeling.However, one of the most difficult problems in 3D Kriging is the nested overlap of anisotropic variograms.In this paper, a simple but universal method is proposed for the nested overlap.Based on the transformation of coordinate basis, this new method takes into full consideration the difference of variation on each axis direction and puts forward the concept of anisotropy ratio.The feasibility of the new method is demonstrated and testified by a case study about 3D property modeling of groundwater quality.
- 3D Kriging,
- variogram,
- structural analysis

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References(11)

References

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