Mathematical Geology

Volume 30, Number 2

Numerical Method for Conditional Simulation of Levy Random Fields

Scott Painter

Application of Correspondence Analysis in the Assessment of Groundwater Chemistry

Fernando António Leal Pacheco

Permutation Methods for Determining the Significance of Spatial Dependence

Douglas D. Walker, Jim C. Loftis, and Paul W. Mielke

Upscaling Hydraulic Conductivities in Cross-Bedded Formations

Xian-Huan Wen and J. Jaime Gómez-Hernández

Highly Robust Variogram Estimation

Marc G. Genton

Nonstationarity of the Mean and Unbiased Variogram Estimation: Extension of the Weighted

Least-Squares Method

François Beckers and Patrick Bogaert

LETTERS TO THE EDITOR

Comment on ADamped Least-Squares Inversion of Confined Aquifer Pumping Data Based on

Singular Value Decomposition@ by Z. Yenihayat

W. E. Bardsley

Comment on ASpecial Issue: Geostatistics@ edited by A. G. Journel, Guest Editor

Kyrre Bratvedt, Erik Bølviken, Tore Gimse, Helge Holden, Lars Holden and Ragnar

Knarud

Reply to Comments by Kyrre Bratvedt, Erik Bølviken, Tore Gimse, Helge Holden, Lars Holden

and Ragnar Knarud

A. Journel, C. Deutsch, T. Hewett, M. Blunt and M. Thiele