Cesium-137 in the environment : radioecology and approaches to assessment and management /

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor Corporativo: National Council on Radiation Protection and Measurements
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Bethesda, MD : National Council on Radiation Protection and Measurements, ©2007.
Colección:NCRP report ; no. 154.
Temas:
Radioactive pollution.
Cesium > Isotopes > Environmental aspects.
Radioecology.
Cesium Radioisotopes > adverse effects
Cesium Radioisotopes > toxicity
Radioactive Pollutants
Pollution radioactive.
Césium > Isotopes > Aspect de l'environnement.
Radioécologie.
TECHNOLOGY & ENGINEERING > Environmental > Pollution Control.
Cesium > Isotopes > Environmental aspects
Radioactive pollution
Radioecology
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover
  • Preface
  • Contents
  • Executive Summary
  • Extended Summary
  • Motivation for this Report
  • Scope of the Report
  • Properties and Sources of Cesium-137
  • Cesium-137 Contamination at Three DOE Sites in the United States
  • Savannah River Site
  • Oak Ridge Reservation
  • Hanford Site
  • Behavior of Cesium-137 in Terrestrial Ecosystems
  • Behavior of Cesium-137 in Aquatic Ecosystems
  • Managing Contaminated Ecosystems
  • 1. Introduction
  • 2. Properties of Cesium Isotopes
  • 2.1 Physical, Chemical and Biological Properties of Cesium Isotopes
  • 2.2 Processes Affecting General Distribution Patterns of Radiocesium3. Radiocesium in the Global Environment
  • 3.1 Sources of Radiocesium in the Environment
  • 3.1.1 Nuclear Weapon Detonations
  • 3.1.2 Fuel Reprocessing and Waste Disposal
  • 3.1.3 Reactor Releases
  • 3.1.4 Releases from Medical Uses of Cesium-137
  • 3.2 Geographic Distribution Patterns of Cesium-137 Deposition
  • 4. Primary Sites of Local Cesium-137 Contamination in the United States
  • 4.1 Savannah River Site
  • 4.1.1 Climate and Setting
  • 4.1.2 Sources of Radiocesium
  • 4.1.3 Release History
  • 4.1.4 Environments4.1.5 Unique Pathways, Parameters and Conditions
  • 4.1.6 Future Management Issues
  • 4.2 Oak Ridge Reservation
  • 4.2.1 Climate and Setting
  • 4.2.2 Sources of Cesium-137
  • 4.2.3 Release History
  • 4.2.4 Aquatic Environments
  • 4.2.5 Terrestrial Environments
  • 4.2.6 Unique Pathways, Parameters and Conditions
  • 4.2.7 Future Management Issues
  • 4.3 Hanford Site
  • 4.3.1 Climate and Setting
  • 4.3.2 Sources of Cesium-137
  • 4.3.3 Release History
  • 4.3.4 Environments
  • 4.3.5 Unique Pathways, Parameters and Conditions
  • 4.3.6 Future Management Issues5. Behavior and Transport in Terrestrial Ecosystems
  • 5.1 Chemistry and Sorption Properties of Cesium
  • 5.1.1 Chemistry and Speciation
  • 5.1.2 Influence of Mineralogy on Sorption of Cesium
  • 5.1.3 Soil/Sediment Partition Coefficient Values for Cesium
  • 5.2 Biogeochemical Transport Processes for Cesium
  • 5.2.1 Deposition from the Atmosphere
  • 5.2.2 Weathering from Plant Surfaces
  • 5.2.3 Foliar Absorption
  • 5.2.4 Soil Processes
  • 5.2.5 Soil-to-Plant Transfer
  • 5.2.6 Translocation within Plants
  • 5.2.7 Microbial Impacts on Cesium Mobility5.2.8 Plant-to-Animal Transfers
  • 5.2.9 Soil-to-Animal Transfers
  • 5.2.10 Transfers in Animal Food Chains
  • 5.2.11 Assimilation and Retention in Animals
  • 5.3 Modeling Approaches for Radiocesiumin Terrestrial Ecosystems
  • 5.3.1 General Approaches
  • 5.3.2 Model Validation
  • 5.3.3 Uncertainty and Sensitivity Analyses
  • 6. Behavior and Transport in Freshwater Ecosystems
  • 6.1 Sediment-Water Partitioning of Cesium-137
  • 6.1.1 Partition Coefficient
  • 6.1.2 Settling and Sedimentation
  • 6.1.3 Remobilization

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