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Table of Contents
Intro
Preface
Acknowledgements
Contents
1 Introduction
1.1 Tracer Hydrology
1.1.1 A Brief History of Tracer Research
1.1.2 Classification of Tracers
1.2 Radon in Environment
1.2.1 Characteristics of Radon
1.3 Source, Migration, and Fate in Environment
1.3.1 Radon Entry into Buildings
1.3.2 Radon Migration in Atmosphere
1.4 A Synopsis of Applications of Radon Tracer
1.4.1 Atmospheric and Climate Investigations
1.4.2 Geological Studies
1.4.3 Hydrological Studies
References
2 Radon Measurement Techniques
2.1 Introduction
2.2 Radon Analytical Methods
2.3 Radon Measurement Methods
2.3.1 Scintillation or Lucas Cell
2.3.2 Semiconductor Detector
2.3.3 Ionization Chamber
2.3.4 Liquid Scintillation Counter (LSC)
2.3.5 Gamma-Ray Spectrometry
2.3.6 Solid-State Nuclear Track Detector (SSNTD)
2.4 Radon Measurement in Air
2.5 Radon Measurement in Soil
2.6 Radon Measurement in Water
2.6.1 Measurement of Radon in Groundwater
2.6.2 Measurement of Radon in Surface Water
2.7 Detector Suitability for Radon Measurement
2.8 Comparing Radon-In-Water Measurement Techniques
2.9 RAD7 Instrument-Radon in Water
2.9.1 RAD-H2O Modus Operandi
2.9.2 The Closed-Loop Concept
2.10 Quality Assurance of Measurement
2.10.1 Calibration Measurements
2.10.2 Background Measurements
2.10.3 Duplicate/Collocated Measurements
2.10.4 Routine Instrument Performance Checks
2.10.5 Proficiency Tests and Inter-Laboratory Comparisons
2.11 Conclusion and Future Research
References
3 Radon Distribution in Groundwater and River Water
3.1 Radon Distribution in Groundwater
3.2 Case Study: Radon in Groundwater of Karamana River Basin, Southern Western Ghats, India
3.2.1 Water Sampling and Analytical Methods
3.2.2 Radon Distribution
3.2.3 Frequency Distribution of 222Rn in Groundwater
3.2.4 Spatio-Temporal Variability of 222Rn in Groundwater
3.2.5 Relationship of 222Rn in Groundwater with Physical Parameters
3.2.6 Variation of 222Rn in Groundwater with Various Rock Types
3.2.7 Relationship of 222Rn in Groundwater with the Emanation Coefficient
3.2.8 Influence of Structural Features on 222Rn Variability in Groundwater
3.2.9 Minor Factors Controlling Groundwater 222Rn
3.3 Radon Distribution in Hydrothermal Systems
3.4 Radon Distribution in River Water
3.4.1 Case Study-Killiyar River Basin, India
3.5 Conclusion and Outlook
Appendix
References
4 Radon in Surface Water-Groundwater Interaction Studies
4.1 Introduction
4.2 Physical Interaction
4.3 SGI and Hydrochemical Dynamics
4.4 Factors Controlling River-Groundwater Interaction
4.5 Scales of Interactions
4.6 Significance of Surface Water-Groundwater Interaction (SGI) Studies
4.7 SGI Estimation Methods
Preface
Acknowledgements
Contents
1 Introduction
1.1 Tracer Hydrology
1.1.1 A Brief History of Tracer Research
1.1.2 Classification of Tracers
1.2 Radon in Environment
1.2.1 Characteristics of Radon
1.3 Source, Migration, and Fate in Environment
1.3.1 Radon Entry into Buildings
1.3.2 Radon Migration in Atmosphere
1.4 A Synopsis of Applications of Radon Tracer
1.4.1 Atmospheric and Climate Investigations
1.4.2 Geological Studies
1.4.3 Hydrological Studies
References
2 Radon Measurement Techniques
2.1 Introduction
2.2 Radon Analytical Methods
2.3 Radon Measurement Methods
2.3.1 Scintillation or Lucas Cell
2.3.2 Semiconductor Detector
2.3.3 Ionization Chamber
2.3.4 Liquid Scintillation Counter (LSC)
2.3.5 Gamma-Ray Spectrometry
2.3.6 Solid-State Nuclear Track Detector (SSNTD)
2.4 Radon Measurement in Air
2.5 Radon Measurement in Soil
2.6 Radon Measurement in Water
2.6.1 Measurement of Radon in Groundwater
2.6.2 Measurement of Radon in Surface Water
2.7 Detector Suitability for Radon Measurement
2.8 Comparing Radon-In-Water Measurement Techniques
2.9 RAD7 Instrument-Radon in Water
2.9.1 RAD-H2O Modus Operandi
2.9.2 The Closed-Loop Concept
2.10 Quality Assurance of Measurement
2.10.1 Calibration Measurements
2.10.2 Background Measurements
2.10.3 Duplicate/Collocated Measurements
2.10.4 Routine Instrument Performance Checks
2.10.5 Proficiency Tests and Inter-Laboratory Comparisons
2.11 Conclusion and Future Research
References
3 Radon Distribution in Groundwater and River Water
3.1 Radon Distribution in Groundwater
3.2 Case Study: Radon in Groundwater of Karamana River Basin, Southern Western Ghats, India
3.2.1 Water Sampling and Analytical Methods
3.2.2 Radon Distribution
3.2.3 Frequency Distribution of 222Rn in Groundwater
3.2.4 Spatio-Temporal Variability of 222Rn in Groundwater
3.2.5 Relationship of 222Rn in Groundwater with Physical Parameters
3.2.6 Variation of 222Rn in Groundwater with Various Rock Types
3.2.7 Relationship of 222Rn in Groundwater with the Emanation Coefficient
3.2.8 Influence of Structural Features on 222Rn Variability in Groundwater
3.2.9 Minor Factors Controlling Groundwater 222Rn
3.3 Radon Distribution in Hydrothermal Systems
3.4 Radon Distribution in River Water
3.4.1 Case Study-Killiyar River Basin, India
3.5 Conclusion and Outlook
Appendix
References
4 Radon in Surface Water-Groundwater Interaction Studies
4.1 Introduction
4.2 Physical Interaction
4.3 SGI and Hydrochemical Dynamics
4.4 Factors Controlling River-Groundwater Interaction
4.5 Scales of Interactions
4.6 Significance of Surface Water-Groundwater Interaction (SGI) Studies
4.7 SGI Estimation Methods