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Author : R. K. Ghosh
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (818 download)
Download or read book Estimation of Soil-moisture Characteristics from Mechanical Properties of Soils written by R. K. Ghosh and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Springer Science & Business Media
ISBN 13 : 1461231442
Total Pages : 249 pages
Book Rating : 4.4/5 (612 download)
Download or read book Advances in Soil Science written by and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: This well-reviewed and vigorous series presents research summaries on aspects of soil science which are as diverse as the subject itself, and range through physical, chemical and biological approaches to the study of soils. Volume 16 contains articles dealing with the role of phosphorus in soil, modeling of chemical absorption in soils, tests to determine nutrient availability and element toxicity in soils, the effects of sewage sludge on soil microbes, and methods to estimate soil water retention based on physical properties of soil.
Author : Dennis L. Corwin
Publisher : American Geophysical Union
ISBN 13 : 0875900917
Total Pages : 369 pages
Book Rating : 4.8/5 (759 download)
Download or read book Assessment of Non-Point Source Pollution in the Vadose Zone written by Dennis L. Corwin and published by American Geophysical Union. This book was released on 1999-01-26 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 108. Non-point source (NPS) pollution in the vadose zone (simply defined as the layer of soil extending from the soil surface to the groundwater table) is a global environmental problem. Characteristically, NPS pollutants are widespread and occasionally ubiquitous in extent, thus making remediation efforts difficult and complex; have the potential for maintaining a relatively long active presence in the global ecosystem; and may result in long?]term, chronic health effects in humans and other life forms. Similar to other global environmental issues, the knowledge and information required to address the problem of NPS pollutants in the vadose zone cross several technological and subdisciplinary lines: spatial statistics, geographic information systems (GIS), hydrology, soil science, and remote sensing. Cooperation between disciplines and scientific societies is essential to address the problem. Evidence of such cooperation was the jointly sponsored American Geophysical Union Chapman/Soil Science Society of America (SSSA) Outreach Conference that occurred in October 1997, entitled “Applications of GIS, Remote Sensing, Geostatistics, and Solute Transport Modeling to the Assessment of Non-Point Source Pollution in the Vadose Zone.” The objective of the conference and this book, which was developed from the conference, was to explore current multidisciplinary research for assessing NPS pollution in soil and groundwater resources.
Author : Lauren Fissel
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (994 download)
Download or read book Evaluation of Uncertainty for Soil Water Characteristic Curve Measurements and Implications for Predicting the Hydro-mechanical Behavior of Unsaturated Soils written by Lauren Fissel and published by . This book was released on 2016 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: In engineering design and classical soil mechanics, the assumption of saturated soil is the most conservative, weakest state that can be assumed. Classical soil mechanics involves the use of saturated soil parameters, including effective stress, effective cohesion, and effective friction angle. The use of unsaturated soils in design would be less conservative, but could lead to savings. Unsaturated soil mechanics also involves additional stress state variables net normal stress and matric suction. Because of the involvement of matric suction, determination of the soil water characteristic curve (SWCC) must occur simultaneously with strength testing of unsaturated soils. The calculation of unsaturated soil strength in design should have reliable reproducibility because unsaturated soil is a less conservative state. Variability in predictions of unsaturated shear strength may result do to variability in SWCC parameters. This possibility was investigated in this study, with emphasis on SWCC parameter variability. Variability of inter-specimen SWCC measurements was quantified for six soil samples. The hanging column method, an evaporation method with the UMS HYPROP apparatus, and the dew point potentiometer method provided measurement of discrete SWCC data. The van Genuchten SWCC function was parameterized using regression on data from at least 10 HYPROP trials per soil, individual measurements from the hanging column, and the same two dew point potentiometer data per soil. The HYPROP apparatus measures suction with upper and lower tensiometers within the soil specimens. Variability in water content was + 0.13 to + 0.16 at any given suction, indicating random variability in SWCC prediction despite identical specimen preparation. Variability in replicate parameter estimates for a single soil may be greater than 14% of median estimates. This result may impact testing programs that commonly rely upon a single SWCC measurement and subsequent parameterization. Additionally, this variability could affect strength testing reliant upon replicate specimen preparation. Unsaturated shear strength was predicted with a model that relies on the SWCC parameters estimated in this study. Based on this model, SWCC parameter variability resulted in minimal unsaturated strength prediction variability at suctions less than 1 kPa and increasing variability beyond this point. However, the same model failed to predict unsaturated shear strength results of this study obtained from unsaturated direct shear testing.
Author : National Research Council Canada
Publisher : NRC Research Press
ISBN 13 : 0660172569
Total Pages : 752 pages
Book Rating : 4.6/5 (61 download)
Download or read book The Emergence of Unsaturated Soil Mechanics written by National Research Council Canada and published by NRC Research Press. This book was released on 1999 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication is an assemblage of selected papers that have been authored or co-authored by D.G. Fredlund. The substance of these papers documents the milestones of both the science of unsaturated soil mechanincs and the career of the author during his tenure as a faculty member in the Department of Civil Engineering at the University of Saskatchewan, Saskatoon, Canada.
Author : Rattan Lal
Publisher : CRC Press
ISBN 13 : 1498738931
Total Pages : 2795 pages
Book Rating : 4.4/5 (987 download)
Download or read book Encyclopedia of Soil Science written by Rattan Lal and published by CRC Press. This book was released on 2017-01-11 with total page 2795 pages. Available in PDF, EPUB and Kindle. Book excerpt: New and Improved Global Edition: Three-Volume Set A ready reference addressing a multitude of soil and soil management concerns, the highly anticipated and widely expanded third edition of Encyclopedia of Soil Science now spans three volumes and covers ground on a global scale. A definitive guide designed for both coursework and self-study, this latest version describes every branch of soil science and delves into trans-disciplinary issues that focus on inter-connectivity or the nexus approach. For Soil Scientists, Crop Scientists, Plant Scientists and More A host of contributors from around the world weigh in on underlying themes relevant to natural and agricultural ecosystems. Factoring in a rapidly changing climate and a vastly growing population, they sound off on topics that include soil degradation, climate change, soil carbon sequestration, food and nutritional security, hidden hunger, water quality, non-point source pollution, micronutrients, and elemental transformations. New in the Third Edition: Contains over 600 entries Offers global geographical and thematic coverage Entries peer reviewed by subject experts Addresses current issues of global significance Encyclopedia of Soil Science, Third Edition: Three Volume Set expertly explains the science of soil and describes the material in terms that are easily accessible to researchers, students, academicians, policy makers, and laymen alike. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail) [email protected] International: (Tel) +44 (0) 20 7017 6062; (E-mail) [email protected]
Author :
Publisher : Allied Publishers
ISBN 13 : 9788170237853
Total Pages : 348 pages
Book Rating : 4.2/5 (378 download)
Download or read book Theory and Practice in Agrophysics Measurements written by and published by Allied Publishers. This book was released on with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tom Schanz
Publisher : Springer Science & Business Media
ISBN 13 : 3540698736
Total Pages : 490 pages
Book Rating : 4.5/5 (46 download)
Download or read book Experimental Unsaturated Soil Mechanics written by Tom Schanz and published by Springer Science & Business Media. This book was released on 2007-06-02 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings are a continuation of the series of International Conferences in Germany entitled "Mechanics of Unsaturated Soils." The objective is to discuss and understand unsaturated soil behaviour, so that engineered activities are improved in terms of judgement and quality. In addition to knowledge of classical concepts, it is a challenge to adapt convincing new concepts and present them in such a way that they can be used in engineering practices.
Author : Ravi Shankar Dwivedi
Publisher : Springer
ISBN 13 : 3662537400
Total Pages : 518 pages
Book Rating : 4.6/5 (625 download)
Download or read book Remote Sensing of Soils written by Ravi Shankar Dwivedi and published by Springer. This book was released on 2017-08-19 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is about applications of remote sensing techniques in the studies on soils. In pursuance of the objective, the book initially provides an introduction to various elements and concepts of remote sensing, and associated technologies , namely Geographic Information System (GIS), Global Positioning System (GPS) in chapter-1. An overview of the sensors used to collect remote sensing data and important Earth observation missions is provided in chapter-2. The processing of satellite digital data (geometric and radiometric corrections, feature reduction, digital data fusion, image enhancements and analysis) is dealt with in Chapter-3. In the chapter to follow the interpretation of remote sensing data , very important and crucial step in d eriving information on natural resources including soils resources, is discussed. An introduction to soils as a natural body with respect to their formation, physical and chemical properties used during inventory of soils, and soil classification is given in Chapter-5.The spectral response patterns of soils including hyperspectral characteristics -fundamental to deriving information on soils from spectral measurements, and the techniques of soil resources mapping are discussed in chapter-6 and -7,respectively. Furthermore, the creation of digital soil resources database and the development of soil information systems, a very important aspect of storage and dissemination of digital soil data to the end users are discussed in ch.apter-8. Lastly, the applications of remote sensing techniques in soil moisture estimation and soil fertility evaluation are covered in chapter-9 and -10, respectively.
Author : Delwyn G. Fredlund
Publisher : John Wiley & Sons
ISBN 13 : 1118280504
Total Pages : 946 pages
Book Rating : 4.1/5 (182 download)
Download or read book Unsaturated Soil Mechanics in Engineering Practice written by Delwyn G. Fredlund and published by John Wiley & Sons. This book was released on 2012-07-30 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt: The definitive guide to unsaturated soil— from the world's experts on the subject This book builds upon and substantially updates Fredlund and Rahardjo's publication, Soil Mechanics for Unsaturated Soils, the current standard in the field of unsaturated soils. It provides readers with more thorough coverage of the state of the art of unsaturated soil behavior and better reflects the manner in which practical unsaturated soil engineering problems are solved. Retaining the fundamental physics of unsaturated soil behavior presented in the earlier book, this new publication places greater emphasis on the importance of the "soil-water characteristic curve" in solving practical engineering problems, as well as the quantification of thermal and moisture boundary conditions based on the use of weather data. Topics covered include: Theory to Practice of Unsaturated Soil Mechanics Nature and Phase Properties of Unsaturated Soil State Variables for Unsaturated Soils Measurement and Estimation of State Variables Soil-Water Characteristic Curves for Unsaturated Soils Ground Surface Moisture Flux Boundary Conditions Theory of Water Flow through Unsaturated Soils Solving Saturated/Unsaturated Water Flow Problems Air Flow through Unsaturated Soils Heat Flow Analysis for Unsaturated Soils Shear Strength of Unsaturated Soils Shear Strength Applications in Plastic and Limit Equilibrium Stress-Deformation Analysis for Unsaturated Soils Solving Stress-Deformation Problems with Unsaturated Soils Compressibility and Pore Pressure Parameters Consolidation and Swelling Processes in Unsaturated Soils Unsaturated Soil Mechanics in Engineering Practice is essential reading for geotechnical engineers, civil engineers, and undergraduate- and graduate-level civil engineering students with a focus on soil mechanics.
Author : M. Wopereis
Publisher : Agribookstore/Winrock
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.E/5 ( download)
Download or read book Soil Physical Properties written by M. Wopereis and published by Agribookstore/Winrock. This book was released on 1994 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurement of soil hydraulic properties; Field monitoring techniques - soil-water interactions; Field mpmitoring techniques - rooting patterns and mechanical properties; Soil sampling strategies and geostatistical techniques; Soil data needs for regional studies of yield constraints in water-limited.
Author : José Fernando Thome Jucá
Publisher : Taylor & Francis US
ISBN 13 : 9789058093721
Total Pages : 454 pages
Book Rating : 4.0/5 (937 download)
Download or read book Unsaturated Soils written by José Fernando Thome Jucá and published by Taylor & Francis US. This book was released on 2002 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unsaturated materials comprise residua, collapsible and expansive naturally occurring soils, compacted soils and, more recently, residues of solid wastes. The engineering problems associated with unsaturated materials range from those related to conventional geotechnical works (e.g. foundations, pavements, slopes and excavations, retaining structures, earthdams, irrigation canals, tunnelling, compacted embankments) to those included in the environmental area (e.g. natural slope instability, erosion and subsidence processes, tailings, residues or solid waste disposal, contaminant transport, remediation of contaminant sites, engineered barriers for environmental protection, re-use of residues). This book, published in three separate volumes, comprises a selection of selected and invited papers presented at the Third International Conference on Unsaturated Soils – UNSAT ‘2002 – that took place in Recife, Brazil, form 10th to 13th March 2002. The book is of interest to consultants, researchers, practitioners, lecturers and students with a background in geotechnical engineering, environmental engineering and engineering geology.
Author :
Publisher :
ISBN 13 :
Total Pages : 956 pages
Book Rating : 4.3/5 (91 download)
Download or read book Canadian Journal of Soil Science written by and published by . This book was released on 1989 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Delwyn G. Fredlund
Publisher : John Wiley & Sons
ISBN 13 : 1118133595
Total Pages : 946 pages
Book Rating : 4.1/5 (181 download)
Download or read book Unsaturated Soil Mechanics in Engineering Practice written by Delwyn G. Fredlund and published by John Wiley & Sons. This book was released on 2012-07-24 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt: The definitive guide to unsaturated soil— from the world's experts on the subject This book builds upon and substantially updates Fredlund and Rahardjo's publication, Soil Mechanics for Unsaturated Soils, the current standard in the field of unsaturated soils. It provides readers with more thorough coverage of the state of the art of unsaturated soil behavior and better reflects the manner in which practical unsaturated soil engineering problems are solved. Retaining the fundamental physics of unsaturated soil behavior presented in the earlier book, this new publication places greater emphasis on the importance of the "soil-water characteristic curve" in solving practical engineering problems, as well as the quantification of thermal and moisture boundary conditions based on the use of weather data. Topics covered include: Theory to Practice of Unsaturated Soil Mechanics Nature and Phase Properties of Unsaturated Soil State Variables for Unsaturated Soils Measurement and Estimation of State Variables Soil-Water Characteristic Curves for Unsaturated Soils Ground Surface Moisture Flux Boundary Conditions Theory of Water Flow through Unsaturated Soils Solving Saturated/Unsaturated Water Flow Problems Air Flow through Unsaturated Soils Heat Flow Analysis for Unsaturated Soils Shear Strength of Unsaturated Soils Shear Strength Applications in Plastic and Limit Equilibrium Stress-Deformation Analysis for Unsaturated Soils Solving Stress-Deformation Problems with Unsaturated Soils Compressibility and Pore Pressure Parameters Consolidation and Swelling Processes in Unsaturated Soils Unsaturated Soil Mechanics in Engineering Practice is essential reading for geotechnical engineers, civil engineers, and undergraduate- and graduate-level civil engineering students with a focus on soil mechanics.
Author : Amir Salehzadeh
Publisher :
ISBN 13 :
Total Pages : 426 pages
Book Rating : 4.:/5 (89 download)
Download or read book The Temperature Dependence of Soil-moisture Characteristics of Agricultural Soils written by Amir Salehzadeh and published by . This book was released on 1990 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keppel Coughlan
Publisher : CSIRO PUBLISHING
ISBN 13 : 064309959X
Total Pages : 392 pages
Book Rating : 4.6/5 (43 download)
Download or read book Soil Physical Measurement and Interpretation for Land Evaluation written by Keppel Coughlan and published by CSIRO PUBLISHING. This book was released on 2002-11-26 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil physical measurements are essential for solving many natural resource management problems. This operational laboratory and field handbook provides, for the first time, a standard set of methods that are cost-effective and well suited to land resource survey. It provides: *practical guidelines on the soil physical measurements across a range of soils, climates and land uses; *straightforward descriptions for each method (including common pitfalls) that can be applied by people with a rudimentary knowledge of soil physics, and *guidelines on the interpretation of results and integration with land resource assessment. Soil Physical Measurement And Interpretation for Land Evaluation begins with an introduction to land evaluation and then outlines procedures for field sampling. Twenty detailed chapters cover pore space relations, water retention, hydraulic conductivity, water table depth, dispersion, aggregation, particle size, shrinkage, Atterburg limits and strength. The book includes procedures for estimating soil physical properties from more readily available data and shows how soil physical data can be integrated into land planning and management decisions.
Author :
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.3/5 (91 download)
Download or read book PSTIAC Report written by and published by . This book was released on 1975 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
