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Provides a standard set of methods that are suited to land resource survey.

Soil surveys --- Land use surveys --- Surveys --- Natural resources surveys --- Sampling --- soil chemicophysical properties --- Soil pore system --- Soil water balance --- Permeability --- Soil water potential --- Soil structure --- Soil strength --- Land evaluation --- site factors --- land suitability --- drainage. --- drainage --- Erosion. --- Erosion

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'Soil Water Dynamics' presents a rigorous mathematical development of soil water and contaminant flow in variably saturated and saturated soils. Analytical and numerical methods are balanced: computer programs, among them MathCad and Fortran, are presented, and more than 150 practice and discussion questions are included.

Groundwater flow --- Soil moisture --- Environmental Sciences and Forestry. Water Management --- Mathematical models. --- Geohydrology, Soil Hydrology --- Groundwater Hydrology. --- Moisture of soils --- Soil water --- Groundwater --- Soil physics --- Soil infiltration rate --- Soils, Irrigated

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Water at the Surface of Earth

Hydrosphere --- Water resources --- water circulation --- water vapour --- precipitation. --- precipitation --- Soil water balance --- Plant water relations --- Surface water --- groundwater --- ecosystems --- Hydrology --- Ecology --- Hydrologie --- Ecologie --- Aquatic sciences --- Earth sciences --- Hydrography --- Water --- Balance of nature --- Biology --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Hydrology. --- Ecology. --- HYDROGEOLOGIE --- CYCLE DE L'EAU --- HYDROLOGIE --- CLIMATOLOGIE --- EAU DIFFERENTES PHASES

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Vertisols, one of the eleven established soil orders, are clay soils with unusual and interesting properties. They cover more than 350 million hectares of land in the world and in tropical Africa alone there are over 100 million hectares. Because of their very small particle size and high surface area, these soils have higher physical and chemical reactivity than other soils. Their interaction with agrochemicals/industrial wastes, has been, increasingly, the subject of research especially in the last two decades. Vertisols create special problems when used for engineering purposes. This book

Vertisols --- soil genesis --- classification. --- classification --- soil chemicophysical properties --- soil morphological features --- Soil water regimes --- Water resources --- resource management --- Erosion. --- Erosion --- Oryza --- Upland rice --- Wetland rice --- Cultivation --- Geographical distribution --- Tropical zones --- Cold zones --- USA --- India --- Australia --- Africa --- Caribbean --- Vertisols. --- Soil management. --- Soils --- Soil science --- Agronomy --- Shrink-swell soils --- Swell-shrink soils --- Management

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Environmental and agricultural modeling and assessment have a multitude of uses for soil parameters governing retention and transport of water and chemicals in soils. These parameters are notorious for the difficulties and high labor costs involved in measuring them. Good estimates instead of direct measurements may be accurate enough for many applications. Pedotransfer functions provide such estimates by utilizing available soil survey information to translate data we have into data we need. This book is the first book on the topic. It provides the unique compendium of pedotransfer fu

631.432 --- 631.47 --- Groundwater. Agricultural hydrology --- Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology --- Soil moisture --- Soil permeability --- Soil science --- Environmental Sciences and Forestry. Water Management --- Mathematical models. --- Mathematics. --- Geohydrology, Soil Hydrology --- Geohydrology, Soil Hydrology. --- 631.47 Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology --- 631.432 Groundwater. Agricultural hydrology --- Pedology (Soil science) --- Agriculture --- Earth sciences --- Hydraulic conductivity of soils --- Soils --- Permeability --- Soil capillarity --- Soil percolation --- Moisture of soils --- Soil water --- Groundwater --- Soil physics --- Soil infiltration rate --- Soils, Irrigated --- Mathematical models --- Mathematics --- soil chemicophysical properties --- soil morphological features --- soil transport processes --- soil types --- Soil water regimes --- Models --- methodology --- Statistical methods --- Measurement --- Databases --- Geographical information systems --- case studies --- Algorithme --- world