Boron Proxies in Paleoceanography and Paleoclimatology

Boron Proxies in Paleoceanography and Paleoclimatology

Eggins, Stephen M.; Lorbacher, Katja; Haynes, Laura L.; Allen, Katherine A.; Hoenisch, Baerbel; Holland, Katherine D.

John Wiley and Sons Ltd

03/2019

256

Dura

Inglês

9781119010630

15 a 20 dias

678

Descrição não disponível.
Preface vii

Acknowledgments viii

About the Companion Website ix

1 Introduction and Concepts 1

1.1 Why Are we Interested in Reconstructing Marine Carbonate Chemistry? 1

Acknowledgments 8

References 8

Further Reading/Resources 12

2 Boron Systematics 13

2.1 Introduction 14

2.2 What Determines the Sensitivity of ?11B and B/Ca to Marine Carbonate Chemistry? 15

2.3 Boron Proxy Systematics in Synthetic Carbonates 21

2.4 Boron Isotopes in Biogenic Marine Carbonates 42

2.5 Secular Evolution of [BT] and ?11B in Seawater 81

2.6 The B/Ca Proxy in Foraminifera 88

References 105

3 Reconstructing Paleo-Acidity, pCO2 and Deep-Ocean [CO32-] 120

3.1 Introduction 120

3.2 Estimating Paleoseawater pH from Boron Isotopes 122

3.3 Estimating Marine Carbonate Chemistry from B/Ca Ratios 150

3.4 Guidelines for Selecting Sediment Core Sites and Sample Sizes 155

References 156

4 Boron Concentration and Isotope Ratio Analysis 165

4.1 Introduction 165

4.2 Inter-Laboratory Comparison Studies 170

4.3 Standard Reference Materials and Data Quality Assurance 172

4.4 Boron Concentration and Isotope Ratio Analysis 175

4.5 Sample Preparation and Cleaning 179

4.6 Boron Separation and Purification 183

4.7 Instrumental Techniques 188

4.8 Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS) 201

4.9 Secondary Ion Mass Spectrometry (SIMS) 204

4.10 Other Techniques 206

4.11 Outlook and Future Directions 210

References 211

Index 224
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Guide to Boron in Paleoceanography and Paleoclimatology; Review of Boron in Paleoceanography and Paleoclimatology; Text on Boron in Paleoceanography and Paleoclimatology; Resource for understanding Boron in Paleoceanography and Paleoclimatology; Boron proxies, seawater-pH and paleo-pCO2; Boron systematics; Reconstructing paleo-acidity, pCO2 and deep-ocean [CO32-]; Boron concentration and isotope ratio analysis; theoretical background of the boron isotope and B/Ca proxies; foraminifers, corals and inorganically precipitated calcium carbonate; seawater boron concentration and isotopic composition; carbonate chemistry, planktic foraminifera; Pleistocene sediment records; N-TIMS, P-TIMS, MC-ICP-MS and SIMS; aqueous systematics