Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 302248
Title Consequences of preferential flow in cracking clay soils for contamination-risk of shallow aquifers
Author(s) Oostindie, K.; Bronswijk, J.J.B.
Source Journal of Environmental Management 43 (1995)4. - ISSN 0301-4797 - p. 359 - 373.
Department(s) Winand Staring Centre for Integrated Land, Soil and Water Research
Publication type Refereed Article in a scientific journal
Publication year 1995
Keyword(s) bodem - hygroscopiciteit - hydratatie - dehydratie - zware kleigronden - waterkwaliteit - verontreinigingsbeheersing - grondwaterverontreiniging - bescherming - soil - hygroscopicity - hydration - dehydration - clay soils - water quality - pollution control - groundwater pollution - protection
Categories Soil Physics
Abstract A method is presented to asses the contamination risk of aquifers covered with cracking clay soils, with special emphasis on preferential flow through shrinkage cracks. A water extraction area was divided into units with homogeneous soil types and hydrological conditions. For each unit, a one-dimensional computer simulation model was used to compute residence times in the unsaturated zone of the clay soils. Analytical equations were used to estimate residence times in the saturated zone. Finally, a classification system is proposed to visualize the model computations. The method developed is illustrated by a case-study.
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