Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 327293
Title Soil water content interpolation using spatio-temporal kriging with external drift
Author(s) Snepvangers, J.J.J.C.; Heuvelink, G.B.M.; Huisman, J.A.
Source Geoderma 112 (2003). - ISSN 0016-7061 - p. 253 - 271.
Department(s) Land Dynamics
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) bodemwatergehalte - infiltratie - nederland - geostatistiek - soil water content - infiltration - netherlands - geostatistics - time - space - variability - design - model
Categories Soil Physics
Abstract 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 interpolation. It is shown that the behaviour of the soil water content predictions is physically more realistic when using spatio-temporal kriging with external drift. Also, the prediction uncertainties are slightly smaller. The data used in this study consist of Time Domain Reflectometry (TDR) measurements from a 30-day irrigation experiment on a 60 x 60-m grassland in the Netherlands. (C) 2002 Elsevier Science B.V. All rights reserved.
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