Infiltration Measurements for Soil Hydraulic Characterization
Springer International Publishing (Verlag)
978-3-319-81118-5 (ISBN)
Foreword.- 1AN INTRODUCTION TO SOIL AND WATER INFILTRATION.- 1.1 Generalcharacteristics of soil.-1.2 Soil water content and potential.- 1.3 Flow ofwater in soils.- 1.4 Infiltration process and equations.- 1.4.1 Gravity freewater absorption.- 1.4.2 Green and Ampt model for infiltration.- 1.4.3 Philipinfiltration equation for capillary and gravity driven infiltration.- 1.4.4Sorptivity and flux concentration function
1.4.5 General infiltration solution of Parlange.- 1.4.6 Extension to 3D waterinfiltration below a disc source.- References.- 2 SATURATED SOIL HYDRAULIC CONDUCTIVITY.- 2.1 Well or boreholepermeameters.- 2.1.1 Steady flow under constant head in uncased boreholes.- 2.1.2Steady flow under constant head in cased boreholes.- 2.1.3 Transient flow underconstant head in cased and uncased boreholes.- 2.1.4 Falling-head flow in casedboreholes.- 2.2 Ring infiltrometers.- 2.2.1 Single-ring pressure infiltrometer.-2.2.2 Other single-ring approaches.- 2.2.3 Double-ring infiltrometer.- 2.2.4Simplified 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.- 3.1.2Apparatus and procedures.- 3.1.3 Analysis of steady-state flow.- 3.1.4 Analysisof transient flow.- 3.1.5 Numerical inversion of tension disk infiltrometerdata.- 3.1.6 Particular devices.- 3.1.7 Hydraulic contact at the infiltrationsurface.- 3.1.8 Applying the tension infiltrometer on sloping land.- 3.2 BEST -Beerkan estimation of soil transfer parameters procedure.- 3.2.1 Soil hydrauliccharacteristic curves
3.2.2 Soil particle-size distribution, bulk density and water content.- 3.2.3Water infiltration experiments.- 3.2.4 Estimating shape parameters by invertingparticle-size distribution data.- 3.2.5 Estimating scale parameters byinverting water infiltration data.- 3.2.6 Issues on estimation of shapeparameters.- 3.2.7 Issues on estimationof scale parameters.- 3.2.8 Tests ofthe soil hydraulic characteristic curves.- 3.2.9 Using the soil hydraulicparameters obtained with BEST.- References.- 4 SOILS WITH SPECIFIC FEATURES.- 4.1 Water repellent soils.- 4.1.1Causes of hydrophobicity.- 4.1.2 Hydrophobicity and water infiltration.- 4.1.3Hydraulic characterization of water repellent soils.- 4.2 Crusted soils.- 4.2.1Crust formation.- 4.2.2 Water infiltration experiments for crustcharacterization.- 4.3 Low permeability soils.- 4.3.1 Early-time constant-head(ECH) technique.- 4.3.2 Early-time falling-head (EFH) technique.- 4.3.3Sequential early-time constant-head/falling-head (ECFH) technique.- 4.3.4Saturated conductivity of low permeability wet soils.- 4.3.5 Time domains forpressure 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. Howto detect preferential flow.- 4.4.4. How to characterize dual permeabilitysoils.- References.- APPENDIX -ADDITIONAL MEASUREMENTS.- A1. Soil bulk density
A2. Soil water content.- A3. Soil water matric potential.- A4. Soil waterretention curve.- A5. Water stability of soil aggregates.- References.
Erscheint lt. Verlag | 30.5.2018 |
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Zusatzinfo | XI, 386 p. 136 illus., 22 illus. in color. |
Verlagsort | Cham |
Sprache | englisch |
Maße | 155 x 235 mm |
Gewicht | 6757 g |
Themenwelt | Naturwissenschaften ► Geowissenschaften ► Geologie |
Naturwissenschaften ► Geowissenschaften ► Hydrologie / Ozeanografie | |
Weitere Fachgebiete ► Land- / Forstwirtschaft / Fischerei | |
Schlagworte | hydrogeology • Infiltration measurements • Infiltrometers and permeameters • Saturated and near-saturated soil • Soil hydraulic characterization • Soil hydrodynamic properties • Soil hydrologic processes • Water flow modelling |
ISBN-10 | 3-319-81118-5 / 3319811185 |
ISBN-13 | 978-3-319-81118-5 / 9783319811185 |
Zustand | Neuware |
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