Cover; Title Page; Copyright Page; Dedication; Preface; Table of Contents; 1: METALS AND SEDIMENTS: A GLOBAL PERSPECTIVE; 1. INTRODUCTION; 2. DEVELOPMENT OF METAL RESEARCH WITH RESPECT TO POLLUTION; 3. THE HISTORY OF METAL POLLUTION; 4. NORMALIZATION OF MEASUREMENT RESULTS; 4.1 Extrapolation of regression curves; 4.2 Analysis of a relevant particle-size fraction; 4.3 Geochemical normalization; 4.4 General remark; 5. MOBILIZATION OF METALS; 6. CIVIL ENGINEERING AND METAL PROBLEMS; 7. TERRESTRIAL CONSEQUENCES OF METAL POLLUTION; 8. SPECIATION AND QUALITY CRITERIA; 8.1 Single extractions.
3: TRACE METAL CHEMISTRY IN POREWATERS1. INTRODUCTION; 2 . EXPERIMENTAL; 2.1 Sample handling; 2.2 Common porewater sampling devices; 3. MINERAL FORMATION AND DISSOLUTION PROCESSES; 3.1 Mineral formation; 3.2 Mineral dissolution; 4. FACTORS GOVERNING METAL SPECIATION IN POREWATERS; 4.1 Metal oxidation states; 4.2 Metals in organic complexes; 4.3 Metals in inorganic complexes; 5. CONCLUSION; REFERENCES; 4: METAL ADSORPTION ONTO AND DESORPTION FROM SEDIMENTS: I. RATES; 1. INTRODUCTION; 2 . MULTIPLE REACTIONS; 3. DATA CALCULATION AND PLOTTING; 4. RESULTS; 4.1 Fu; 4.2 Lion et al.
4.2 Metal ion interaction with bacterial capsules4.3 The metal-binding ability of S-layers; 5. MINERAL FORMATION ON BACTERIAL CELLS; 5. In situ observations; 5.2 Fayetteville Green Lake; 6 . METAL ION TRANSPORT AND THE IMMOBILIZATION OF TOXIC HEAVY METALS; REFERENCES; 6: DETERMINATION OF REDOX STATUS IN SEDIMENTS; 1. INTRODUCTION; 2. REDOX INTENSITY IN IDEAL SYSTEMS; 3. REDOX INTENSITY IN DISEQUILIBRIUM SYSTEMS; 4. REDOX INTENSITY IN NATURAL SYSTEMS; 5. ALTERNATE TECHNIQUES TO MEASURE REDOX INTENSITY; 6 . REDOX CAPACITY IN IDEAL SYSTEMS; 7. REDOX CAPACITY IN DISEQUILIBRIUM SYSTEMS.
4.3 Kennedy et al. 4.4 Partially mixed systems with bulk diffusion; 5. THESES CONCERNING CATIONIC METAL ADSORPTION AND DESORPTION; 6 . SUMMARY; REFERENCES; 5: METAL AND SILICATE SORPTION AND SUBSEQUENT MINERAL FORMATION ON BACTERIAL SURFACES: SUBSURFACE IMPLICATIONS; 1. INTRODUCTION; 2 . BACTERIAL STRUCTURE AND CELL SURFACE CHEMISTRY; 2.1 Gram-positive bacteria; 2.2 Gram-negative bacteria; 2.3 Other cell surface structures; 2.4 Archaeobacterial walls; 3. BIOFILMS; 4. METAL ION BINDING BY BACTERIAL CELLS; 4.1 The influence of cell surface physicochemistry.
8.2 Sequential extractions8.3 Characterization of anaerobic sediments; 9. MANAGEMENT OF DREDGED MATERIALS; REFERENCES; 2: METAL CYCLING IN SURFACE SEDIMENTS: MODELING THE INTERPLAY OF TRANSPORT AND REACTION; 1. INTRODUCTION; 2. SURFACE SEDIMENTS; 3. MATHEMATICAL AND NUMERICAL THEORY; 4. A MODEL FOR IRON AND MANGANESE IN SEDIMENTS; 4.1 Reactive species; 4.2 Reactions; 4.3 Rate laws; 4.4 Transport; 4.5 Transport-reaction equations; 4.6 Alkalinity and pH; 4.7 Boundary conditions; 5. SIMULATIONS; 5.1 Validation of the numerical model; 5.2 Representative sediments; 6. CONCLUSIONS; REFERENCES.