Non-parametric approximations for anisotropy estimation in two-dimensional differentiable Gaussian random fields

Spatially referenced data often have autocovariance functions with elliptical isolevel contours, a property known as geometric anisotropy. The anisotropy parameters include the tilt of the ellipse (orientation angle) with respect to a reference axis and the aspect ratio of the principal correlation...

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Veröffentlicht in:	Stochastic environmental research and risk assessment 2017-09, Vol.31 (7), p.1853-1870
Hauptverfasser:	Petrakis, Manolis P., Hristopulos, Dionissios T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Aquatic Pollution Aspect ratio Attitude (inclination) Background radiation Bayesian analysis Change detection Chemistry and Earth Sciences Computational Intelligence Computer Science Computer simulation Confidence intervals Earth and Environmental Science Earth Sciences Economic models Environment Fields (mathematics) Isotropy Math. Appl. in Environmental Science Mathematical models Maximum likelihood estimation Nonparametric statistics Normal distribution Original Paper Parameter estimation Physics Probability density functions Probability Theory and Stochastic Processes Radiation effects Spatial distribution Statistical analysis Statistics Statistics for Engineering Theoretical analysis Waste Water Technology Water Management Water Pollution Control
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