Variation in water content and wetting patterns in Dutch water repellent peaty clay and clayey peat soils

L.W. Dekker, C.J. Ritsema

    Research output: Contribution to journalArticleAcademicpeer-review

    100 Citations (Scopus)

    Abstract

    The variation in water content of grass-covered peaty clay and clayey peat soils was studied at six sites in the Netherlands. The topsoils were water-repellent during dry spells. When the topsoils were dry, they could absorb water only with difficultywhich is illustrated by wetting rate measurements. Precipitation could flow rapidly through shrinkage cracks towards the subsoil, bypassing the matrix of the peat. The measurements, however, revealed that preferential flow was not limited to macropore flow: irregular, finger-like wetting patterns were also formed in the soil matrix. Owing to these typical wetting patterns, soil water content varied over short distances at all the sites on all the sampling dates.
    Original languageEnglish
    Pages (from-to)89-105
    JournalCatena
    Volume28
    Issue number1-2
    DOIs
    Publication statusPublished - 1996

    Keywords

    • bog soils
    • dehydration
    • hydration
    • hygroscopicity
    • netherlands
    • peat soils
    • soil
    • swamp soils

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