UnivTrevesV1, Main, Exploration, bibRecordById, Pascal:02-0584088

Application of the Weibull distribution to describe the vertical distribution of cesium-137 on a slope under permanent pasture in Luxembourg

Identifieur interne : 001D21 ( Main/Exploration ); précédent : 001D20; suivant : 001D22

Application of the Weibull distribution to describe the vertical distribution of cesium-137 on a slope under permanent pasture in Luxembourg

Auteurs : H. Dahm [Allemagne] ; J. Niemeyer [Allemagne] ; D. Schröder [Allemagne]

Source :

Journal of environmental radioactivity [ 0265-931X ] ; 2002.

RBID : Pascal:02-0584088

Descripteurs français

Pascal (Inist)
- Luxembourg, Retombée atmosphérique, Pollution radioactive, Radioisotope, Césium 137, Pollution sol, Cambisol, Mesure radioactivité, Profil vertical, Loi probabilité, Loi Weibull, Distribution latérale, Migration.
Wicri :
- geographic : Luxembourg (pays), Ukraine.
- topic : Pollution radioactive, Migration.

English descriptors

KwdEn :
- Atmospheric fallout, Cambisols, Cesium 137, Cesium Radioisotopes (analysis), Lateral distribution, Luxembourg, Migration, Models, Theoretical, Power Plants, Probability distribution, Radioactive Fallout, Radioactive Hazard Release, Radioactive pollution, Radioactivity measurement, Radioisotope, Soil Pollutants, Radioactive (analysis), Soil pollution, Ukraine, Vertical profile, Weibull distribution.
MESH :
- chemical , analysis : Cesium Radioisotopes, Soil Pollutants, Radioactive.
- geographic : Luxembourg, Radioactive Fallout, Ukraine.
- Models, Theoretical, Power Plants, Radioactive Hazard Release.

Abstract

The application of solutions of the Advection-Dispersion-Equation (ADE) for soil profiles is sometimes questionable. An alternative method, based on the Weibull distribution, has been developed, which can approximate the vertical distribution of radiocesium (¹³⁷Cs) and allows extrapolation to account for the complete inventory. The structure of the equation allows simple parameters describing the soil depth profile to be derived. Reliable estimates of the total ¹³⁷Cs inventory can help to explain the lateral distribution. This equation was used to analyse the ¹³⁷Cs-activities of Chernobyl fall-out measured on a slope under permanent pasture in Luxembourg.

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">The application of solutions of the Advection-Dispersion-Equation (ADE) for soil profiles is sometimes questionable. An alternative method, based on the Weibull distribution, has been developed, which can approximate the vertical distribution of radiocesium (<sup>137</sup>
Cs) and allows extrapolation to account for the complete inventory. The structure of the equation allows simple parameters describing the soil depth profile to be derived. Reliable estimates of the total <sup>137</sup>
Cs inventory can help to explain the lateral distribution. This equation was used to analyse the <sup>137</sup>
Cs-activities of Chernobyl fall-out measured on a slope under permanent pasture in Luxembourg.</div>
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Application of the Weibull distribution to describe the vertical distribution of cesium-137 on a slope under permanent pasture in Luxembourg

Application of the Weibull distribution to describe the vertical distribution of cesium-137 on a slope under permanent pasture in Luxembourg

Source :

Descripteurs français

English descriptors

Abstract

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