Description, analysis, and interpretation of an infiltration experiment in a semiarid deep vadose zone

Research output: Chapter in Book/Report/Conference proceedingChapter

7 Citations (Scopus)

Abstract

Over the past 15 years, the University of Arizona has carried out four controlled infiltration experiments in a 3, 600 m2, 15 m deep vadose zone during which the evolution of moisture content and matric potential was monitored and the subsurface stratigraphy, texture, and bulk density were characterized. This chapter will first provide a brief overview of the site characteristics and the available data. Subsequently a geospatial analysis using old and recently acquired data will be carried out to demonstrate that a vertical domain trend due to alluvial layering must be accounted for. The resulting model for subsurface texture is used to reanalyze a neutron probe calibration set, such that unbiased texture-dependent estimates of soil moisture become possible. The resulting models are applied to the third infiltration experiment conducted at the site (January 2001 to February 2002) and interpreted with moment analysis based on depth-mean moisture contents. The work presented here is a first step towards a full reanalysis of the site's data, which in future publications will also include flow and transport modeling and an assessment how much data and of what kind are needed to build an acceptable vadose zone model.

Original languageEnglish (US)
Title of host publicationAdvances in Hydrogeology
PublisherSpringer New York
Pages159-183
Number of pages25
Volume9781461464792
ISBN (Print)9781461464792, 1461464781, 9781461464785
DOIs
StatePublished - Dec 1 2013

Fingerprint

vadose zone
infiltration
texture
moisture content
experiment
neutron probe
matric potential
bulk density
stratigraphy
soil moisture
calibration
analysis
modeling

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

Cite this

Description, analysis, and interpretation of an infiltration experiment in a semiarid deep vadose zone. / Schaap, Marcel.

Advances in Hydrogeology. Vol. 9781461464792 Springer New York, 2013. p. 159-183.

Research output: Chapter in Book/Report/Conference proceedingChapter

Schaap, Marcel. / Description, analysis, and interpretation of an infiltration experiment in a semiarid deep vadose zone. Advances in Hydrogeology. Vol. 9781461464792 Springer New York, 2013. pp. 159-183
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