Multiscale spatial variability of CO2 emissions and correlations with physico-chemical soil properties

SE Allaire, SF Lange, JA Lafond, B Pelletier… - Geoderma, 2012 - Elsevier
Spatial variability of greenhouse gas (GHG) emissions from agricultural lands is not well
known although it has a great impact on the accuracy of GHG budget. The objectives of this …

An overview of approaches to the analysis and modelling of multivariate geostatistical data

TC Bailey, WJ Krzanowski - Mathematical geosciences, 2012 - Springer
We give an overview of existing approaches for the analysis of geostatistical multivariate
data, namely spatially indexed multivariate data where the indexing is continuous across …

Modified F tests for assessing the multiple correlation between one spatial process and several others

P Dutilleul, B Pelletier, G Alpargu - Journal of Statistical Planning and …, 2008 - Elsevier
The modified t test presented by Dutilleul [1993. Modifying the t test for assessing the
correlation between two spatial processes. Biometrics 49, 305–314] to assess the simple …

Comparative study of interpolation methods for low-density sampling

FHS Karp, V Adamchuk, P Dutilleul, A Melnitchouck - Precision Agriculture, 2024 - Springer
Given the high costs of soil sampling, low and extra-low sampling densities are still being
used. Low-density soil sampling usually does not allow the computation of experimental …

Coregionalization analysis with a drift for multi-scale assessment of spatial relationships between ecological variables 1. Estimation of drift and random components

B Pelletier, P Dutilleul, G Larocque… - … and ecological statistics, 2009 - Springer
In this and a second article, we propose 'coregionalization analysis with a drift'(CRAD), as a
method to assess the multi-scale variability of and relationships between ecological …

Coregionalization analysis with a drift for multi-scale assessment of spatial relationships between ecological variables 2. Estimation of correlations and coefficients of …

B Pelletier, P Dutilleul, G Larocque… - … and ecological statistics, 2009 - Springer
In two articles, we present 'coregionalization analysis with a drift'(CRAD), a method to
assess the multi-scale variability of and relationships between ecological variables from a …

Spatiotemporal analysis of the relative soil gas diffusion coefficient in two sandy soils: Variability decomposition and correlations between sampling dates at two …

JA Lafond, SE Allaire, P Dutilleul… - Soil Science Society …, 2011 - Wiley Online Library
The variability of the relative soil gas diffusion coefficient (Ds/Do) in space and time is not
well known but is important for root respiration, microbial activities, and greenhouse gas …

Methods for descriptive factor analysis of multivariate geostatistical data: a case-study comparison

SD Oman, B Vakulenko-Lagun… - … Research and Risk …, 2015 - Springer
We consider the framework in which vectors of variables are observed at different points in a
region. Such data are typically characterized by point-wise correlations among the variables …

Tests of significance for structural correlations in the linear model of coregionalization

P Dutilleul, B Pelletier - Mathematical Geosciences, 2011 - Springer
In the linear model of coregionalization (LMC), when applicable to the experimental direct
variograms and the experimental cross variogram computed for two random functions, the …

A valid parametric test of significance for the average R2 in redundancy analysis with spatial data

P Dutilleul, B Pelletier - Spatial Statistics, 2017 - Elsevier
Consider matrices Y and X containing 2-D spatial, continuous-quantitative data collected in
the same n locations at a given time, to explain p Y-variables (eg plant diversity indices) by q …