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cesium redistribution

Jul 05, 2005 Soil redistribution model for undisturbed and cultivated sites based on Chernobyl-derived cesium-137 fallout. Hrachowitz M(1), Maringer FJ, Steineder C, Gerzabek MH. Author information: (1)Univ. of Natural Resources and Applied Life Science (BOKU), Dep. f r Wald- und Bodenwissenschaften, Institut f r Bodenforschung, Peter Jordanstrasse 92 ...

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  • Redistribution of Cesium 137 as an example of a chemical

    Redistribution of Cesium 137 as an example of a chemical

    The use of the artificially-produced radioactive isotope Cesium-137 for the measurement of soil erosion is examined in this article as an example of the development of a chemical indicator of a specific environmental stress. The theoretical and methodological bases of the technique ar examined in the context of seven criteria developed to assess the suitability of a technique as a chemical ...

  • Publication USDA ARS

    Publication USDA ARS

    Using fallout Cesium-137 to understand soil redistribution over agricultural landscapes. In: Proceedings of the International Soil Conservation Organization Conference (ISCO2008) Congress, May 18-23, 2008, Budapest, Hungary. 2008 CDROM.

  • Radioactive and stable cesium isotope distributions and

    Radioactive and stable cesium isotope distributions and

    For the experimental site in Yamakiya, Fukushima Prefecture, we present the redistribution of … Radioactive and stable cesium isotope distributions and dynamics in Japanese cedar forests J Environ Radioact. 2018 Jun;186:34-44. doi: 10.1016/j.jenvrad.2017.09.026. ...

  • Evaluation of Sediment and 137 Cs Redistribution in the

    Evaluation of Sediment and 137 Cs Redistribution in the

    The General-purpose Terrestrial Fluid-flow Simulator (GETFLOWS) code was used to study sediment and 137 Cs redistribution within the catchment, including the effect of decontamination on redistribution. Fine resolution grid cells were used to model local features of the catchment, such as paddy fields adjacent to the Oginosawa River.

  • Redistribution of Strontium and Cesium During Alteration

    Redistribution of Strontium and Cesium During Alteration

    Dec 01, 1994 The redistribution of strontium and cesium during the alteration of smectite to illite has been studied under hydrothermal conditions at 200 C using solutions of 1 4 Sr and Cs. Two different sorption conditions were applied for the hydrothermal experiments. One was the condition in which strontium and cesium were sorbed by smectite before the hydrothermal experiments (dynamic …

  • Dynamics of the transport of ionic and atomic cesium in

    Dynamics of the transport of ionic and atomic cesium in

    Sep 22, 2011 Redistribution processes of cesium within the ion source by thermal evaporation from the chamber walls determine the dynamics of cesium within the ion source predominantly. This cesium evaporation from the source walls is modeled based on a cosine distribution of the cesium velocity vector with respect to the surface normal vector.

  • Distribution of cesium and cationic mineral elements in

    Distribution of cesium and cationic mineral elements in

    Nov 25, 2019 Lai JL, Fu A, Tao ZY, Lu H, Luo XG (2016) Analysis of the accumulation and redistribution patterns of cesium in Vicia faba grown on contaminated soils. J Environ Radioact 164:202–208. Article Google Scholar 16.

  • Determination and mapping of the spatial distribution of

    Determination and mapping of the spatial distribution of

    Aug 22, 2021 The cesium-137 activity concentration values have been reconstructed, to 2018, based on the T phys of cesium-137 of 30 years (Fig. 3) and based on the T eff of cesium-137 of 16.5 years (Fig. 4) as it is more appropriate for the representation of cesium-137 activity concentrations for the environmental radiological risk analysis.

  • Pulsed redistribution of a contaminant following forest

    Pulsed redistribution of a contaminant following forest

    Average redistribution rates were about one order of magnitude greater for burned plots, 5.96 KBq ha(-1) mm(-1) rainfall, compared with unburned plots, 0.55 KBq ha(-1) mm(-1) rainfall. The greatest surface water transport of 137Cs, 11.6 KBq ha(-1) mm(-1), occurred at the plot with the greatest amount of ground cover removal (80% bare soil ...

  • Velocity preserving transfer between highly excited atomic

    Velocity preserving transfer between highly excited atomic

    We study the excitation redistribution from cesium 7P 1/2 or 7P 3/2 to neighboring energy levels by black body radiation (BBR) and inter atomic collisions using pump-probe spectroscopy inside a vapor cell. At low vapor densities we measure redistribution of the initial, velocity-selected, atomic excitation by BBR. This redistribution preserves the selected atomic velocities allowing us to ...

  • Spatial analysis and modeling of cesium 137 redistribution

    Spatial analysis and modeling of cesium 137 redistribution

    Radioactive fallout, that entered the landscape, is strongly absorbed by soil particles and their further fate is the fate of the redistribution of many soil particles in the landscape. Therefore, Cs-137 is a unique tracer for studying soil erosion and sedimentation.

  • Characteristics of radio cesium transport and discharge

    Characteristics of radio cesium transport and discharge

    This paper describes watershed modeling of catchments surrounding the Fukushima Dai-ichi Nuclear Power Plant to understand radio-cesium redistribution by water flows and sediment transport. We extended our previously developed three-dimensional hydrogeological model of the catchments to calculate the migration of radio-cesium in both sediment-sorbed and dissolved forms.

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