The biological carbon pump

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Table of contents

Chapter 1: General Introduction
1.1. The Carbon cycle
1.2. The biological carbon pump
1.3. The different approaches to study the biological carbon pump
1.4. Study areas, objectives and thesis outline
Chapter 2: Material and Methods
2.1. Sample collection, chemical processing and analyses
2.2. 234Th Export determination
2.3. Elemental export fluxes
2.4. Carbon remineralization fluxes determined from Baxs distributions
Chapter 3: High variability of particulate organic carbon export fluxes in the North Atlantic Ocean
3.1. Introduction
3.2. Methods
3.3. Results
3.4. Discussion
3.5. Conclusion
Chapter 4: Particulate barium tracing significant mesopelagic carbon remineralization in the North Atlantic Ocean
4.1. Introduction
4.2. Methods
4.3. Results
4.4. Discussion
4.5. Conclusion
Chapter 5: Biogenic trace element export fluxes in the North Atlantic Ocean
5.1. Introduction
5.2. Methods
5.3. Results
5.4. Discussion
5.5. Conclusion
Chapter 6: Impact of the natural Fe-fertilization on the magnitude, stoichiometry and efficiency of particulate biogenic silica, nitrogen and iron export fluxes
6.1. Introduction
6.2. Methods
6.3. Results
6.4. Discussion
6.5. Conclusion
Chapter 7: General conclusions and future directions
7.1. Major findings
7.2. Comparison of the two study areas
7.3. Perspectives
7.4. The fate of the BCP with global warming
References