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Radiation Monitoring and Dose Estimation of the Fukushima Nuclear Accident





IntroductionExposure PathwaysEnvironmental MonitoringConclusionReferencesOutline of the Radiation Dose Estimation of Residents After the Fukushima Daiichi Nuclear Power Plant AccidentIntroductionExternal Dose EstimationInternal Dose EstimationConclusionReferencesII OverviewAccident of Fukushima Daiichi Nuclear Power Plant: Sequences, Fission Products Released, Lessons LearnedIntroductionBasic InformationAccident SequencesBefore the Tsunami AttackAfter the Tsunami AttackAccident Sequence of Unit 1Accident Sequence of Unit 2Accident Sequence of Unit 3Spent Fuel PoolsRelease of Fission ProductsLessons LearnedSummaryReferencesSome Comments on Dose Assessment for Members of the Public After the Fukushima Daiichi NPP AccidentIntroductionImplication of Dose AssessmentRadiological Impact of the Fukushima Daiichi AccidentEnvironmental MonitoringDose AssessmentExamples of Dose Assessments in Fukushima PrefectureSome Points Found in the Dose AssessmentsEffects of Radiation Exposure of ChildrenRadiation Dose of ChildrenRadiosensitivity of ChildrenEffective Dose Adjusted by Age Weighting Factor for Radiation ProtectionDiscussionReferencesIII Radiation Survey of the EnvironmentEnvironmental Radiation Status In and Around Tokyo Immediately After the TEPCO Fukushima Dai-ichi Nuclear Power Plant DisasterIntroductionMonitoring Activity and Data of Local GovernmentsExternal ExposureInternal ExposureMonitoring Activity and Data of the University of TokyoTargets and MethodsData and InformationConclusionReferencesRadiation Survey Along Two Trails in Mt. Fuji to Investigate the Radioactive Contamination Caused by TEPCO's Fukushima Daiichi Nuclear Plant AccidentIntroductionMeasurementsResults and DiscussionsConclusionReferencesDevelopment of a Carborne Survey System, KURAMAIntroductionKURAMAKURAMA-IICurrent Status and Future ProspectsReferencesRadiation Measurement in East Japan in 2011 After the Fukushima Nuclear AccidentIntroductionMaterials and MethodsResults and DiscussionCalibrationAir Dose RateSurface ContaminationRadiation ExposureConclusionReferencesIV Environmental RadioactivityDistribution of Plutonium Isotopes in Marine Sediments off Japan Before and After the Fukushima Dai-ichi Nuclear Power Plant Accident: A ReviewIntroductionDistribution of Pu Isotopes in the Marine Sediments off Japan Before the AccidentDistribution of Pu Isotopes in the Marine Sediments off Japan After the AccidentDistribution of Pu Activities and Pu InventoriesPu Atom RatiosSources of Pu Isotopes in Marine Sediments in the Western North Pacific off JapanInfluence of the FDNPP Accident on Pu DistributionResolving Global Fallout and PPG Close-In Fallout PuPerspectives for Future StudyReferencesTime Trend Change of Air Dose Rate on Paved Areas in Fukushima City After the Fukushima Daiichi NPP AccidentIntroductionMethodsMeasurement of the Radioactivity in Surface SoilsDose Rate Distribution SurveyResultsMeasurement of the Radioactivity in Surface SoilsDose Rate Distribution SurveyConclusionReferencesObservation of Radionuclides in Marine Biota off the Coast of Fukushima Prefecture After TEPCO's Fukushima Daiichi Nuclear Power Station AccidentIntroductionMaterials and MethodsResults and DiscussionConclusionReferencesV Transfer Models and/or ParametersEvaluating Removal of Radionuclides from Landfill Leachate Using Generally Practiced Wastewater Treatment ProcessesIntroductionMaterials and MethodsSample CollectionDetermination of Characteristics of SamplesDetermination of Physical and Chemical Forms of the Target Elements in Raw LeachateResults and DiscussionCharacteristics of the SamplesElement Fractionation in the Raw Leachate SampleElement Concentration in Samples at Each Treatment StepConclusionsReferencesStudies on Radiocesium Transfer in Agricultural Plants in Fukushima PrefectureObjectiveEffect of Potassium Application on Root Uptake of Radiocesium in RicePhytoremediation of Radiocesium in Different Soils Using Cultivated PlantsReferencesVI Source EstimationInvestigation of Uncertainty in the Release Rates of 131I and 137Cs from Fukushima Dai-ichi NPS Estimated from Environmental DataIntroductionMethodsRelease Rate EstimationAtmospheric Dispersion ModelEnvironmental Monitoring DataCalculation ConditionResults and DiscussionSimplified Meteorological ConditionActual Meteorological ConditionConclusionReferencesSource Term Estimation of 131I and 137Cs Discharged from the Fukushima Daiichi Nuclear Power Plant into the AtmosphereIntroductionMethodReverse Estimation MethodEnvironmental Monitoring DataAtmospheric Dispersion SimulationReconstruction of Local Atmospheric Dispersion ProcessRadionuclidesResults and DiscussionPreliminary Source Term EstimationDetailed Analysis on the Local Atmospheric Dispersion ProcessReestimation of Source Term for the Early Phase of the AccidentValidation of Source Term by the Regional-Scale Atmospheric Dispersion SimulationFormation Processes of 137Cs Deposition over Eastern JapanConclusionsReferencesVII Dose AssessmentNIRS's Project for the Reconstruction of Early Internal Dose to Inhabitants in Fukushima After the Nuclear DisasterIntroductionMeasurement Data CollectionHuman Thyroid MeasurementsHuman Whole-Body (WB) MeasurementsEnvironmental MeasurementsProposed MethodsDiscussion and Future TasksReferencesInternal Radiation Dose of KURRI Volunteers Working at Evacuation Shelters After TEPCO's Fukushima Daiichi Nuclear Power Plant AccidentBackgroundMethodsResultsInitial Measurement of External Radiation and Internal Radiation Doses of VolunteersFollow-Up Data of Internal Doses for Two VolunteersDiscussionReferencesProbabilistic Assessment of Doses to the Public Living in Areas Contaminated by the Fukushima Daiichi Nuclear Power Plant AccidentIntroductionMethodScopeProbabilistic Techniques in Radiation Dose AssessmentModels for Assessing Doses from External and Internal ExposuresInput Monitoring Data of the Surface Activity Density of 137CsResults and DiscussionEstimated Effective DosesContributions of Different Exposure PathwaysConclusionsReferencesReduction of External Exposure for Residents from the Fukushima Nuclear Accident by Weathering and DecontaminationIntroductionMethodsResults and DiscussionAir Dose RatesPersonal Dose Equivalent for ResidentsReferences
 
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