Infiltration Measurements for Soil Hydraulic Characterization /
| Autores principales: | , , , |
|---|---|
| Autor Corporativo: | |
| Formato: | eBook |
| Lenguaje: | English |
| Publicado: |
Cham :
Springer International Publishing : Imprint: Springer,
2016.
|
| Edición: | 1st ed. 2016. |
| Materias: |
Tabla de Contenidos:
- Foreword
- 1 AN INTRODUCTION TO SOIL AND WATER INFILTRATION
- 1.1 General characteristics of soil.-1.2 Soil water content and potential
- 1.3 Flow of water in soils
- 1.4 Infiltration process and equations
- 1.4.1 Gravity free water absorption
- 1.4.2 Green and Ampt model for infiltration
- 1.4.3 Philip infiltration equation for capillary and gravity driven infiltration
- 1.4.4 Sorptivity and flux concentration function 1.4.5 General infiltration solution of Parlange
- 1.4.6 Extension to 3D water infiltration below a disc source
- References
- 2 SATURATED SOIL HYDRAULIC CONDUCTIVITY
- 2.1 Well or borehole permeameters
- 2.1.1 Steady flow under constant head in uncased boreholes
- 2.1.2 Steady flow under constant head in cased boreholes
- 2.1.3 Transient flow under constant head in cased and uncased boreholes
- 2.1.4 Falling-head flow in cased boreholes
- 2.2 Ring infiltrometers
- 2.2.1 Single-ring pressure infiltrometer
- 2.2.2 Other single-ring approaches
- 2.2.3 Double-ring infiltrometer
- 2.2.4 Simplified falling head technique
- 2.3 Dripper or point-source method
- References
- 3 UNSATURATED SOIL HYDRAULIC PROPERTIES
- 3.1 Tension or disk infiltrometer
- 3.1.1 Basis of the technique
- 3.1.2 Apparatus and procedures
- 3.1.3 Analysis of steady-state flow
- 3.1.4 Analysis of transient flow
- 3.1.5 Numerical inversion of tension disk infiltrometer data
- 3.1.6 Particular devices
- 3.1.7 Hydraulic contact at the infiltration surface
- 3.1.8 Applying the tension infiltrometer on sloping land
- 3.2 BEST - Beerkan estimation of soil transfer parameters procedure
- 3.2.1 Soil hydraulic characteristic curves 3.2.2 Soil particle-size distribution, bulk density and water content
- 3.2.3 Water infiltration experiments
- 3.2.4 Estimating shape parameters by inverting particle-size distribution data
- 3.2.5 Estimating scale parameters by inverting water infiltration data
- 3.2.6 Issues on estimation of shape parameters
- 3.2.7 Issues on estimation of scale parameters
- 3.2.8 Tests of the soil hydraulic characteristic curves
- 3.2.9 Using the soil hydraulic parameters obtained with BEST
- References
- 4 SOILS WITH SPECIFIC FEATURES
- 4.1 Water repellent soils
- 4.1.1 Causes of hydrophobicity
- 4.1.2 Hydrophobicity and water infiltration
- 4.1.3 Hydraulic characterization of water repellent soils
- 4.2 Crusted soils
- 4.2.1 Crust formation
- 4.2.2 Water infiltration experiments for crust characterization
- 4.3 Low permeability soils
- 4.3.1 Early-time constant-head (ECH) technique
- 4.3.2 Early-time falling-head (EFH) technique
- 4.3.3 Sequential early-time constant-head/falling-head (ECFH) technique
- 4.3.4 Saturated conductivity of low permeability wet soils
- 4.3.5 Time domains for pressure infiltrometer data
- 4.3.6 Accounting for soil swelling
- 4.4. Macroporous and bi-modal soils
- 4.4.1. Conceptual models for preferential flow
- 4.4.2. Modelling water infiltration into dual permeability soils
- 4.4.3. How to detect preferential flow
- 4.4.4. How to characterize dual permeability soils
- References
- APPENDIX - ADDITIONAL MEASUREMENTS
- A1. Soil bulk density A2. Soil water content
- A3. Soil water matric potential
- A4. Soil water retention curve
- A5. Water stability of soil aggregates
- References.