Temporal variability in the Bay of Banyuls-sur-mer

For more info about our services contact : help@bestpfe.com

Table of contents

REMERCIEMENTS
PREFACE
GLOSSARY OF RELEVENT TERMS
CHAPTER I. INTRODUCTION AND OBJECTIVES OF THESIS
1. INTRODUCTION
1.1. Marine dissolved organic matter in the ocean
1.2. Marine dissolved organic matter in the carbon cycle
2. OPTICALLY ACTIVE FRACTIONS OF DOM
2.1. Fundamentals of absorption and fluorescence of DOM
2.2 . Absorption of CDOM
2.3. Fluorescence of DOM
3. DISTRIBUTION, SINKS AND SOURCES OF CDOM
3.1. Distribution in the ocean
3.2. Sinks and sources of CDOM
4. STUDY AREA (MEDITERRANEAN SEA)
4.1. General context of the Mediterranean Sea
4.2 Nutrients inputs into the Mediterranean Sea
4.3. Stations studied
5. OBJECTIVES OF THESIS
REFERENCES
CHAPTER II. COUPLED AND MISMATCHED TEMPORAL PATTERNS OF ORGANIC AND INORGANIC NUTRIENTS IN A NW MEDITERRANEAN COASTAL STATION
ABSTRACT
1. INTRODUCTION
2. MATERIAL AND METHODS
2.1. Site and sample collection
2.2. Chemical and biological analyses
2.3. Optical measurements of CDOM
3. RESULTS
3.1. Physical drivers and annual variability of the measured Parameters
3.2. DOM colored fractions
3.3. Optical indexes
3.4. Variability trends
4. DISCUSSION
4.1. Temporal variability in the Bay of Banyuls-sur-mer
4.2. Variability at different time scales
4.3. Temporal mismatch between chlorophyll and organic matter
4.4. Seasonal dynamics of CDOM fractions
4.5. Hypothetical conceptual framework
5. CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
CHAPTER III. SEASONAL VARIABILITY AND CHARACTERIZATION OF THE DISSOLVED ORGANIC POOL (CDOM/FDOM) AT AN OFFSHORE STATION (NW MEDITERRANEAN SEA)
ABSTRACT
1. INTRODUCTION
2. MATERIAL AND METHODS
2.1. Sampling strategy
2.2. PHYSICAL AND CHEMICAL PARAMETERS
2.2.1. Nutrients analyses
2.2.2. Total chlorophyll a
2.2.3. Dissolved organic carbon analyses
3. OPTICAL PROPERTIES OF CDOM
3.1. Absorption measurements
3.2. Fluorescence measurements
4. STATISTIC AND GRAPHIC TOOLS
5. RESULTS
5.1. Hydrological conditions
5.2. Nutrients and phytoplankton
5.3. Variability of the DOM stock and composition in 2013 and 2014 .
5.3.1. Dissolved organic carbon distribution
5.3.2. FDOM and CDOM variability in 2013 and 2014
6. DISCUSSION
6.1. Deep versus weak winter convection. Nutrient and phytoplankton distributions
6.2. Seasonal patterns of DOC dynamics
6.3. Distribution of CDOM and FDOM
6.4. Optical characterization of CDOM
7. CONCLUSIONS
REFERENCES
CHAPTER IV. DUST INPUTS AFFECT THE OPTICAL SIGNATURES OF DISSOLVED ORGANIC MATTER IN NW MEDITERRANEAN COASTAL WATERS
ABSTRACT
1. INTRODUCTION
2. MATERIALS AND METHODS
2.1. TIME SERIES SAMPLING
2.2. AEROSOLS COLLECTION FOR EXPERIMENTS
2.3. WATER SAMPLING AND EXPERIMENTAL DESIGN
2.4. Analytical procedures
2.4.1. CDOM measurements
2.4.2. FDOM measurements
2.4.3. DOC analysis
2.4.4. Prokaryotic abundance and chlorophyll a determination
3. RESULTS
3.1. FDOM TIME SERIES
3.2. MICROCOSMS EXPERIMENTS
3.2.1. PROKARYOTIC ABUNDANCE AND CHLOROPHYLL A
3.2.2. DOC and FDOM dynamics
4. DISCUSSION
4.1. ATMOSPHERIC DEPOSITION INFLUENCE IN SURFACE WATERS
4.2. EFFECTS OF AEROSOLS ADDITIONS ON THE PROKARYOTIC ABUNDANCES .
4.3. DOM OPTICAL PROPERTIES TRANSFORMATIONS AFTER DUST ADDITIONS .
5. SUMMARY
ACKNOWLEDGEMENTS
REFERENCES
CHAPTER V. CONCLUSIONS GÉNÉRALES ET PERSPECTIVES
1. CONCLUSIONS
2. PERSPECTIVES
ANNEXES
RÉSUMÉ
ABSTRACT