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Issue 15 (4) 2016 pp. 167-179

Grzegorz Janik1, Ewa Borecka-Stefanska1, Anna Daniel1, Małgorzata Dawid1, Amadeusz Walczak1, Ľuboš Jurik2

1 Uniwersytet Przyrodniczy we Wrocławiu
2
Słowacki Uniwersytet Rolniczy w Nitrze

ESTIMATION OF ACCURACY OF SURFACE DISTRIBUTION OF VOLUMETRIC MOISTURE IN TOPSOIL LAYER DETERMINED WITH GEOSTATISTICAL METHODS

Keywords: volumetric moisture, TDR technique, geostatistical methods
Abstract:

In the paper the authors demonstrate the effect of measurement density on the accuracy of space distribution of volumetric moisture in topsoil layer. The analyses were performed with the use of geostatistical methods, preceded with a preliminary estimation of the classic statistical measures. After verifying the condition of stationarity, empirical semivariograms were created, with the best-fitting mathematical models. Those were used in the kriging procedure for the purpose of determination of surface distributions of moisture. Based on a field experiment conducted at the locality of Sarbinowo, commune Mielno, it was demonstrated that an increase of moisture distribution accuracy is significant when the box size of the grid of measurement points is reduced to 1 m. Further increase in the density of measurement points entails an increase in the labour-intensity of the study and does not cause any significant differences in the accuracy of the moisture distribution created.

pub/15_4_167.pdf Full text available in in Adobe Acrobat format:
http://www.formatiocircumiectus.actapol.net/volume15/issue4/15_4_167.pdf

DOI: 10.15576/ASP.FC/2016.15.4.167

For citation:

MLA Janik, Grzegorz, et al. "ESTIMATION OF ACCURACY OF SURFACE DISTRIBUTION OF VOLUMETRIC MOISTURE IN TOPSOIL LAYER DETERMINED WITH GEOSTATISTICAL METHODS." Acta Sci.Pol. Form. Cir. 15.4 (2016): 167-179. http://dx.doi.org/10.15576/ASP.FC/2016.15.4.167
APA (2016). . Acta Sci.Pol. Form. Cir. 15 (4), 167-179 http://dx.doi.org/10.15576/ASP.FC/2016.15.4.167
ISO 690 JANIK, Grzegorz, et al. ESTIMATION OF ACCURACY OF SURFACE DISTRIBUTION OF VOLUMETRIC MOISTURE IN TOPSOIL LAYER DETERMINED WITH GEOSTATISTICAL METHODS. Acta Sci.Pol. Form. Cir., 2016, 15.4: 167-179. http://dx.doi.org/10.15576/ASP.FC/2016.15.4.167
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Streszczenie w języku polskim:
http://www.formatiocircumiectus.actapol.net/tom15/zeszyt4/abstrakt-167.html