Natural Radionuclide Applications for Riverine and Coastal Marine Investigations

3 Introduction 3 Materials and Procedures Cartridge Design 5 Standard Preparation 5 RAD7 Method 6 Radon Emanation Line (Lucas Cell) Method 7 RADECC Coincidence Counting System Method 9 γ-spectrometry Method 9 Assessment 10 Discussion 11 Comments and Recommendations 13 3. DETERMINATION OF TRANSPORT RATES IN THE YELLOW RIVER – BOHAI SEA MIXING ZONE VIA NATURAL GEOCHEMICAL TRACERS 18 Abstract 18 Introduction 18 Methods Sampling and Analytical Methods 20 Transport Rate Calculations 22 Results 23 Discussion 25 Conclusions 32 18 Introduction 18 Methods Sampling and Analytical Methods 20 Transport Rate Calculations 22 Results 23 Discussion 25 Conclusions 32 4. RADON AND RADIUM ISOTOPE ASSESSMENT OF SUBMARINE GROUNDWATER DISCHARGE IN THE YELLOW RIVER DELTA, CHINA 34 Abstract 34 Introduction 34 Methods Measurements 36 Transport Rate Model 38 34 Introduction 34 Methods Measurements 36 Transport Rate Model 38