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Spatial dynamics of soil salinity under arid and semi-arid conditions: geological and environmental implications
Authors:Jordán  M M  Navarro-Pedreño  J  García-Sánchez  E  Mateu  J  Juan  P
Institution:(1) Departamento de Agroquímica y Medio Ambiente, Universidad Miguel Hernández, Avda. Ferrocarril s/n, 03202 Elche, Alicante, Spain;(2) Department of Mathematics, University Jaume I , Campus Riu Sec, 12071 Castellon, Spain
Abstract:Salinity is a highly important problem in arid and semi-arid regions. Consequently, the analysis of soil salinity plays a crucial role in environmental sciences. Environmental variables show spatial variability and statistical tools able to analyze and describe the spatial dependence and quantify the scale and intensity of the spatial variation are needed. Moreover, the spatial prediction has special importance for agricultural transformation of the land or for environmental restoration (selection of the most appropriate species adapted to soil salinity). In this paper we propose a methodological framework based on geostatistics to model the spatial dynamics of soil salinity measurements to further analyze the case of a region in southeastern Spain.
Keywords:Arid regions  Electrical conductivity  Geostatistical modeling  pH  Sodium  Soil
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