Infiltration Measurements for Soil Hydraulic Characterization - Angulo-Jaramillo, Rafael; Bagarello, Vincenzo; Iovino, Massimo; Lassabatere, Laurent; SpringerLink (Online service) (Cham : Springer International Publishing : Imprint: Springer, 2016)
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.
Keywords: Agriculture; Hydrogeology; Soil science; Soil conservation; Hydrology; Agriculture; Hydrogeology; Soil Science & Conservation; Hydrology/Water Resources