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Table of contents
Table of contents
CHAPTER 1. GENERAL INTRODUCTION
1.1 THE TERRESTRIAL CARBON CYCLE
1.1.1 Main processes in the terrestrial carbon cycle
1.1.2 Factors affecting the terrestrial C cycle
1.1.3 Climate-Carbon feedback
1.2 ATMOSPHERIC AEROSOLS
1.2.1 A brief introduction to atmospheric aerosols
1.2.2 Aerosol-radiation interactions and aerosol-cloud interactions
1.2.3 Impacts of aerosols on terrestrial C cycle
1.3 METHODS INVESTIGATING AEROSOL IMPACTS
1.4 THE OBJECTIVES OF THE THESIS
CHAPTER 2. IMPACTS OF ANTHROPOGENIC AEROSOLS ON LAND C FLUXES THROUGH CHANGING CLIMATE
SUMMARY
CHAPTER 3. MODELLING THE IMPACTS OF DIFFUSE LIGHT FRACTION ON PHOTOSYNTHESIS
SUMMARY
3.1 INTRODUCTION
3.2 DATA AND METHOD
3.2.1 Model description
3.2.2 Flux data and site level simulations
3.2.3 Analyses
3.3 RESULTS
3.3.1 Diffuse light fraction
3.3.2 General model performance
3.3.3 Effects of diffuse light on GPP and LUE
3.3.4 Interactions between diffuse light and environmental factors
3.4 DISCUSSION
3.4.1 Improvement of ORCHIDEE_DF
3.4.2 Factors affecting diffuse light effect on GPP
3.4.3 Uncertainties and Limitations
3.5 CONCLUSION
SUPPORTING INFORMATION FOR CHAPTER 3
CHAPTER 4. AEROSOL IMPACTS ON THE LAND CARBON CYCLE THROUGH CHANGING DIFFUSE RADIATION
SUMMARY
4.1 INTRODUCTION
4.2 DATA AND METHODS
4.2.1 ORCHIDEE_DF model
4.2.2 Forcing data and Experimental design
4.3 RESULTS
4.3.1 CRUJRA simulations
4.3.2 IPSL simulations
4.4 DISCUSSION
4.4.1 Fdf response to anthropogenic aerosols
4.4.2 Methods to reconstruct NoAA Fdf
4.4.3 Global impacts of diffuse radiation on C fluxes
4.4.4 The impacts of Radiation quality vs Radiation quantity
4.4.5 The main factors causing C flux changes
4.4.6 The impacts of volcanoes
4.4.7 Uncertainties
4.5 CONCLUSION
CHAPTER 5. CONCLUSION AND PERSPECTIVES
REFERENCES
