Impact des cycles accélérés d’irrigation sur les propriétés hydrauliques du sol

Table des matières

Résumé
Abstract
Table des matières
Liste des figures
Liste des Tableaux
Remerciements
Avant-propos
Chapitre 1: Introduction générale 
1.1 Introduction
1.2 Références
Chapitre 2: Assessment of the drainage capacity of cranberry fields: problem identification using soil clustering and development of a new drainage criterion
2.1 Résumé
2.2 Abstract
2.3 Introduction
2.4 Material and Methods
2.4.1 Soil sampling and site description
2.4.2 Particle size distribution
2.4.3 Soil chemical analysis
2.4.4 Soil physical analyses and hydraulic properties characterization
2.4.5 Simulation of drainage scenarios
2.4.6 Drainage and soil water availability criteria
2.4.7 Statistical and cluster analyses
2.4.7.1 Soil profile classification and cluster analysis
2.4.7.2 Linear model of the drainage criterion
2.5 Results and Discussion
2.6 Conclusion
2.7 Acknowledgments
2.8 References
Chapitre 3: Use of X-ray CT scan to characterise the evolution of the hydraulic properties of a soil under drainage conditions
3.1 Résumé
3.2 Abstract
3.3 Introduction
3.4 Material and methods
3.4.1 Soil column preparation
3.4.2 CT scanning
3.4.3 Voxel porosity
2.4.4 Spatial and temporal variability of the saturated hydraulic conductivity
3.4.5 Equivalent soil hydraulic conductivity
3.4.6 Soil deformation and consolidation
3.5 Results and discussion
3.5.1 Total soil porosity
3.5.2 Saturated hydraulic conductivity of the soil column.
3.5.3 Soil volumetric deformation
3.6 Conclusions
3.7 Acknowledgments
3.8 References
Chapitre 4: Predicting soil hydraulic properties from X-ray CT scan analysis and particle size distributions
4.1 Résumé
4.2 Abstract
4.3 Introduction
4.4 Materials and Methods
4.4.1 CT scanning
4.4.2 Soil preparation and laboratory characterization of hydraulic properties
4.4.3 Voxel porosity
4.4.4 Particle size distribution
4.4.5 Particle void nearest-surface complementary cumulative density function
4.4.6 Hydraulic properties
4.5 Results and Discussion
4.5.1 Equivalent soil hydraulic properties
4.5.2 Spatial variability of hydraulic properties
4.6 Conclusions
4.7 Acknowledgments and Data
4.8 References
Chapitre 5: Characterization of spatiotemporal variability of hydraulic properties and matric potential of soil under drainage and recharge cycles by X-ray tomography and wavelet transforms
5.1 Résumé
5.2 Abstract
5.3 Introduction
5.5 Materials and methods
5.5.1 Soil column preparation
5.5.2 Matric potential time series and wavelet transforms
5.5.3 CT scanning
5.5.4 Voxel porosity
5.5.5 Unsaturated hydraulic conductivity of the soil
5.6 Results and discussion
5.6.1 Wavelet analyses
5.6.2 Evolution of soil hydraulic properties
5.7 Conclusions
5.8 Acknowledgments
5.9 References
5.10 Appendix
5.10.1 Particle distribution
5.10.2 Hydraulic properties
Chapitre 6: Predicting soil hydraulic properties of sandy soils using a neural network
6.1 Abstract
6.2 Abstract
6.3 Introduction
6.4 Materials and Methods
6.4.1 Database
6.4.2 Neural Network Method
6.4.3 Supervised learning
6.5 Results and Discussion
6.5.1 Variations and correlations in the hydraulic properties of sandy soils
6.5.2 Ability of MLP to predict soil hydraulic properties
6.6 Conclusions
6.7 Acknowledgements
6.8 References
6.9 Nomenclature
Chapitre 7: Multilocal sensitivity analysis of soil hydraulic properties: case study of a heterogeneous soil profile 
7.1 Résumé
7.2 Abstract
7. 3 Introduction
7. 4 Materials and Methods
7.4.1 Soil water dynamics simulation
7.4.2 Soil hydrodynamic parameters
7.4.3 Boundary and initial conditions
7.4.4 Sensitivity analysis
7.4.4.1 Configurations of climatic, geometric, and soil hydrodynamic conditions
7.4.4.2 Simulation procedure of sensitivity analyses
7.4.4.3 Sensitivity calculations
7.4.4.3.1 Multilocal Gâteaux directional derivative
7.4.4.3.2 Global sensitivity
7.5 Results and Discussion
7.5.1 Sensitivity analysis
7.5.1.1 Multilocal Gâteaux directional derivative
7.5.1.2 Global sensitivity
7.6 Conclusions
7.8 Acknowledgments
7.9 References
Chapitre 8: Conclusion générale
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