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Ocean Biogeochemical Dynamics
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Ocean Biogeochemical Dynamics Vital Source e-bog

Jorge L. Sarmiento
(2013)
Princeton University Press
1.358,00 kr.
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Ocean Biogeochemical Dynamics

Ocean Biogeochemical Dynamics

Jorge L. Sarmiento
(2006)
Sprog: Engelsk
Princeton University Press
1.250,00 kr.
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Detaljer om varen

  • Vital Source searchable e-book (Fixed pages): 528 sider
  • Udgiver: Princeton University Press (Juli 2013)
  • ISBN: 9781400849079
Ocean Biogeochemical Dynamics provides a broad theoretical framework upon which graduate students and upper-level undergraduates can formulate an understanding of the processes that control the mean concentration and distribution of biologically utilized elements and compounds in the ocean. Though it is written as a textbook, it will also be of interest to more advanced scientists as a wide-ranging synthesis of our present understanding of ocean biogeochemical processes. The first two chapters of the book provide an introductory overview of biogeochemical and physical oceanography. The next four chapters concentrate on processes at the air-sea interface, the production of organic matter in the upper ocean, the remineralization of organic matter in the water column, and the processing of organic matter in the sediments. The focus of these chapters is on analyzing the cycles of organic carbon, oxygen, and nutrients. The next three chapters round out the authors' coverage of ocean biogeochemical cycles with discussions of silica, dissolved inorganic carbon and alkalinity, and CaCO3. The final chapter discusses applications of ocean biogeochemistry to our understanding of the role of the ocean carbon cycle in interannual to decadal variability, paleoclimatology, and the anthropogenic carbon budget. The problem sets included at the end of each chapter encourage students to ask critical questions in this exciting new field. While much of the approach is mathematical, the math is at a level that should be accessible to students with a year or two of college level mathematics and/or physics.
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Detaljer om varen

  • Hardback: 528 sider
  • Udgiver: Princeton University Press (Juni 2006)
  • ISBN: 9780691017075

Ocean Biogeochemical Dynamics provides a broad theoretical framework upon which graduate students and upper-level undergraduates can formulate an understanding of the processes that control the mean concentration and distribution of biologically utilized elements and compounds in the ocean. Though it is written as a textbook, it will also be of interest to more advanced scientists as a wide-ranging synthesis of our present understanding of ocean biogeochemical processes.


The first two chapters of the book provide an introductory overview of biogeochemical and physical oceanography. The next four chapters concentrate on processes at the air-sea interface, the production of organic matter in the upper ocean, the remineralization of organic matter in the water column, and the processing of organic matter in the sediments. The focus of these chapters is on analyzing the cycles of organic carbon, oxygen, and nutrients.


The next three chapters round out the authors' coverage of ocean biogeochemical cycles with discussions of silica, dissolved inorganic carbon and alkalinity, and CaCO3. The final chapter discusses applications of ocean biogeochemistry to our understanding of the role of the ocean carbon cycle in interannual to decadal variability, paleoclimatology, and the anthropogenic carbon budget. The problem sets included at the end of each chapter encourage students to ask critical questions in this exciting new field. While much of the approach is mathematical, the math is at a level that should be accessible to students with a year or two of college level mathematics and/or physics.

Preface xi
Chapter 1: Introduction 1
1.1 Chemical Composition of the Ocean 1
1.2 Distribution of Chemicals in the Ocean 7
1.3
Chapter Conclusion and Outline of Book 15 Problems 16
Chapter 2: Tracer Conservation and Ocean Transport 19
2.1 Tracer Conservation Equation 19 Advection and Diffusion Components 19 Application to Box Models 22
2.2 Wind-Driven Circulation 23 Equations of Motion 27 Ekman Transport 28 Gyre Circulation 30
2.3 Wind-Driven Circulation in the Stratified Ocean 33 Basic Concepts 34 Ocean Stratification 34 Geostrophic Equations 37 Gyre Circulation with Stratification 37 Insights from the Potential Vorticity Distribution 38 Insights from Tracers 39 Insights from the Thermal Wind Relationship 42
2.4 Deep Ocean Circulation 46 Observations 46 Models 52 Summary of Deep Ocean Circulation 57
2.5 Time-Varying Flows 59 Mesoscale Variability 60 Interannual to Decadal Variability 61 Tropical Variability 61 Extratropical Variability 66 Problems 69
Chapter 3: Air-Sea Interface 73
3.1 Introduction 73
3.2 Gas Solubilities 75
3.3 Gas Exchange 80 Stagnant Film Model 81 Laboratory Studies 83 Field Studies 86 Gas Transfer Velocity Models 89
3.4 Applications 95 Problems 100
Chapter 4: Organic Matter Production 102
4.1 Introduction 102 Nutrient Supply 105 Light 111 Efficiency of the Biological Pump 111 Outline 114
4.2 Ecosystem Processes 115 Nutrients 115 Composition of Organic Matter 115 Limiting Nutrient 117 Paradigm of Surface Ocean Nitrogen Cycling 117 Phytoplankton 123 Classification of Organisms 123 Phytoplankton Distribution and Productivity 128 Modeling Photosynthesis 131 Zooplankton 135 Bacteria 137
4.3 Analysis of Ecosystem Behavior 138 Role of Light Supply 139 Classical Ecosystem Models 142 N-P Model--Bottom-up Limitation 142 N-P-Z Model--Top-Down Limitation 144 Adding the Microbial Loop 146 Multiple Size Class Ecosystem Models 147 The Model 147 Influence of Micronutrients 149 Applications 150 North Pacific versus North Atlantic 152 Oligotrophic Region 155
4.4 A Synthesis 157 The Regeneration Loop 158 The Export Pathway 158 The Role of Iron 160 Conclusions 162 Problems 168
Chapter 5: Organic Matter Export and Remineralization 173
5.1 Introduction 173 Nutrient and Oxygen Distributions 173 Remineralizaton Reactions 178 Preformed and Remineralized Components 179 Dissolved and Particulate Organic Matter 180 Outline 181
5.2 Oxygen 181 Separation of Preformed and Remineralized Components 181 Deep Ocean Oxygen Utilization Rates 182 Thermocline Oxygen Utilization Rates 183
5.3 Nitrogen and Phosphorus 186 Stoichiometric Ratios 186 Phosphate 188 The Nitrogen Cycle 189 N* as a Tracer of Denitrification 189 N* as a Tracer of N2 Fixation 195 The Oceanic Nitrogen Budget 196 Nitrous Oxide 197
5.4 Organic Matter Cycling 200 Particulate Organic Matter 200 Overview 200 Particle Flux 203 The Role of Ballast 206 Particle Remineralization 207 Models of Particle Interactions 209 Dissolved Organic Matter 211
5.5 Models 215 Model Development 215 Sensitivity Studies 217 Applications: Control of Oceanic Oxygen 221 Problems 222
Chapter 6: Remineralization and Burial in the Sediments 227
6.1 Introduction 227 Observations 227 Sediment Properties and Processes 229 Remineralization Reactions 233
6.2 Sediment Diagenesis Models 236 Pore Waters 237 Solids 241
6.3 Remineralization 245 Oxic Sediments 246 Anoxic Sediments 250 Dissolved Organic Carbon 253
6.4 Burial 255 The Substrate 255 The Oxidant 256 Protection by Mineral Adsorption 257 Synthesis 258
6.5 Organic Matter Budget 260 Problems 267
Chapter 7: Silicate Cycle 270
7.1 Int
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