HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in ISI Web of Science Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via ISI Web of Science (13) Citing Articles via Google Scholar Google Scholar Articles by Veldkamp, E. Articles by O'Brien, J. J. Search for Related Content PubMed Articles by Veldkamp, E. Articles by O'Brien, J. J. GeoRef GeoRef Citation Agricola Articles by Veldkamp, E. Articles by O'Brien, J. J.

Calibration of a Frequency Domain Reflectometry Sensor for Humid Tropical Soils of Volcanic Origin

^a Inst. of Soil Sci. and Forest Nutr., Univ. of Göttingen, Büsgenweg 2, 37077 Göttingen, Germany
^b Dep. of Biol. Sci., Florida International Univ., Miami, FL 33199 USA

View larger version (26K): [in a new window]   Fig. 1 Measured volumetric water content compared to the three-phase mixing model with = 0.5 and Pers = 0.918 for samples of the topsoil and = -2.2 and Pers = 1.307 for samples of the subsoil. The manufacturer's calibration is added for comparison

View larger version (27K): [in a new window]   Fig. 2 Soil water content estimates in the 0–0.1 m layer using the manufacturer's calibration function and the three-phase mixing model with = -0.5 and Pers = 0.918 on field-measured frequency domain reflectometry output