Estimating soil water saturation from morphological soil indicators in a pedologically contrasted Mediterranean region

This study aims to test the use of morphological soil indicators for predicting spatially variable water-saturation durations in a pedologically contrasted Mediterranean region (Peyne valley, Languedoc, France). Seven candidate morphological indicators that were identified in previous studies were t...

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Bibliographic Details
Published in:Geoderma 2002-08, Vol.108 (3), p.225-235
Main Authors: Tassinari, C, Lagacherie, P, Bouzigues, R, Legros, J.P
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Ecology, environment
Exact sciences and technology
Hydrogeology
Hydrology. Hydrogeology
Life Sciences
Mediterranean
Soil morphological indicators
Soils
Spatial variability
Surficial geology
Watertable
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Summary:This study aims to test the use of morphological soil indicators for predicting spatially variable water-saturation durations in a pedologically contrasted Mediterranean region (Peyne valley, Languedoc, France). Seven candidate morphological indicators that were identified in previous studies were tested by means of one-way analyses of variance performed over a set of 84 soil horizons for which water saturation has been measured weekly for 2 years. The results showed that half of the total variance of water-saturation duration could be explained by a morphological indicator. However, this result required (a) a prior stratification of the set of horizons in horizon groups defined according to the soil landscape units of the region and (b) a selection of appropriate morphological features for each horizon group.
ISSN:0016-7061
1872-6259
DOI:10.1016/S0016-7061(02)00132-5