Spatial interpolation methods have been applied to many disciplines, the ordinary kriging interpolation being one of the methods most frequently used. However, kriging comprises a computational cost that scales as the cube of the number of data points. Therefore, one most pressing problems in geostatistical simulations is that of developing methods that can reduce the computational time. Weight...

abstract precipitation as the most important factor plays the main role in many application researches which are based on climatic parameters. many researches in the field of hydrology, hydrometeorology and agriculture employs rain-gauges (such as synoptic and climatologic stations) data. precipitation characteristics, such as rainfall intensity and duration, usually exhibit significant spatial...

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Environment pollution is a major problem in developing countries these days. Air pollution in particularis a cause of many diseases.In the present study an attempt has been made to map the pollution areas of Agra and predict the pollution at unsampled location.For this thirty places of Agra are selected for collectingair samples.Geographic Information System (GIS) and Kriging (Ordinary Kriging)...

There are close connections between several seemingly different topics; Kriging; radial basis function (RBF) interpolations, spline interpolations and the solutions of Partial Differential Equations (PDEs). Consequently, these techniques can produce families of identical interpolations. More interestingly, the connection with PDE solution methods allows the calculation of some Kriging interpola...

In this study, two techniques for spatio-temporal (ST) kriging of soil water content are compared. The first technique, spatio-temporal ordinary kriging, is the simplest of the two, and uses only information about soil water content. The second technique, spatio-temporal kriging with external drift, uses also the relationship between soil water content and net-precipitation to aid the interpola...

Bathymetry is one of the most conspicuous variables to consider in any study involving marine environments. In developing countries, accurate and up to date bathymetric charts are rare or in most cases limited to local areas, most of them available only in hardcopy format. This is the case of the Yucatan submerged platform. In this study, we compare and discuss the performance of two spatial in...

We report on recent developments in the European INTAMAP (Interoperability and Automated Mapping) project on web services for processing radiological data from the EURDEP data base. First, we briefly describe the goals of this project and its relation to other European initiatives and infrastructures for global monitoring of the environment (GMES and INSPIRE). Then we report on the development ...