Soil Water Dynamics

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Soil Water Dynamics

Arthur W. Warrick
Soil Water Dynamics Book PDF

Author : Arthur W. Warrick
Publisher : Oxford University Press
Page : 420 pages
File Size : 52,8 Mb
Release : 2003-02-13
Category : Science
ISBN : 0195344111

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Soil Water Dynamics by Arthur W. Warrick Pdf

This book 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. Students are thus exposed not only to theory but also to an array of solutions techniques. Those using the book as a reference will appreciate the careful development of basic flow equations, the inclusion of solutions and methodology currently available only in journals and proceedings volumes, and the examples and calculations directly applicable to their own work.

Soil Water Dynamics

Arthur W. Warrick
Soil Water Dynamics Book PDF

Author : Arthur W. Warrick
Publisher : Oxford University Press on Demand
Page : 416 pages
File Size : 49,6 Mb
Release : 2003
Category : Mathematics
ISBN : 9780195126051

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Soil Water Dynamics by Arthur W. Warrick Pdf

Symbols and Abbreviations. 1. The Soil System. 2. Soil Water Flow. 3. Saturated Flow. 4. One-Dimensional Absorption. 5. One-Dimensional Infiltration and Vertical Flow. 6. Multidimensional Water Flow in Variably Saturated Soils. 7. Solute and Contaminant Transport. References. Index.

Water Dynamics in Plant Production

Wilfried Ehlers,M. J. Goss
Water Dynamics in Plant Production Book PDF

Author : Wilfried Ehlers,M. J. Goss
Publisher : Cabi
Page : 0 pages
File Size : 45,8 Mb
Release : 2016
Category : Technology & Engineering
ISBN : 1780643829

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Water Dynamics in Plant Production by Wilfried Ehlers,M. J. Goss Pdf

"Meagre water supply causes severe problems in the growth of plants, which rely on sufficient water transmitted by the soil to meet their needs. This new edition of Water Dynamics in Plant Production describes the basic scientific principles of water transport in the soil-plant-atmosphere continuum, explains the linkage between transpirational water use and dry matter production paying particular attention to the various agronomic strategies for adaptation to climate-driven limitations of water resources"--Publisher's website.

Computer Simulation of Soil-water Dynamics

Daniel Hillel
Computer Simulation of Soil water Dynamics Book PDF

Author : Daniel Hillel
Publisher : Unknown
Page : 222 pages
File Size : 44,8 Mb
Release : 1977
Category : Computers
ISBN : STANFORD:36105031808038

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Computer Simulation of Soil-water Dynamics by Daniel Hillel Pdf

Fundamental principles of modeling and simulation; Isothermal evaporation of soil water under fluctuating evaporativity, including the role of hysteresis; Non-isothermal evaporation of soil water, including the effect of surface reflectivity; Water dynamics and storage in fallow soils as affected by soil texture and profile layering; Hydrology of a sloping field, including surface runoff and groundwater flow; Moisture extraction by root systems, and the concurrent movement of water and salt in the soil profiles.

Dryland Ecohydrology

Paolo D'Odorico,Amilcare Porporato
Dryland Ecohydrology Book PDF

Author : Paolo D'Odorico,Amilcare Porporato
Publisher : Springer Science & Business Media
Page : 358 pages
File Size : 53,7 Mb
Release : 2006-01-09
Category : History
ISBN : 1402042590

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Dryland Ecohydrology by Paolo D'Odorico,Amilcare Porporato Pdf

Ecohydrology emerges as a new field of research aiming at furthering our understanding of the earth system through the study of the interactions between the water cycle and vegetation. By combining the analysis of biotic and abiotic components of terrestrial ecosystems, this volume provides a synthesis of material on arid and semiarid landscapes, which is currently spread in a number of books and journal articles. The focus on water-limited ecosystems is motivated by their high sensitivity to daily, seasonal, and decadal perturbations in water availability, and by the ecologic, climatic, and economic significance of most of the drylands around the world. Conceived as a tool for scientists working in the area of the earth and environmental sciences, this book presents the basic principles of eco-hydrology as well as a broad spectrum of topics and advances in this research field. The chapters collected in this book have been contributed by authors with different expertise, who work in several arid areas around the World. They describe the various interactions among the biological and physical dynamics in dryland ecosystems, starting from basic processes in the soil-vegetation-climate system, to landscape-scale hydrologic and geomorphic processes, ecohydrologic controls on soil nutrient dynamics, and multiscale analyses of disturbances and patterns.

Soil Water Conservation

Saskia Keesstra,Simone Di Prima,Mirko Castellini,Mario Pirastru
Soil Water Conservation Book PDF

Author : Saskia Keesstra,Simone Di Prima,Mirko Castellini,Mario Pirastru
Publisher : MDPI
Page : 258 pages
File Size : 49,7 Mb
Release : 2019-04-11
Category : Technology & Engineering
ISBN : 9783038978527

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Soil Water Conservation by Saskia Keesstra,Simone Di Prima,Mirko Castellini,Mario Pirastru Pdf

Human needs like food and clean water are directly related to good maintenance of healthy and productive soils. A good understanding of human impact on the natural environment is therefore necessary to preserve and manage soil and water resources. This knowledge is particularly important in semi-arid and arid regions, where the increasing demands on limited water supplies require urgent efforts to improve water quality and water use efficiency. It is important to keep in mind that both soil and water are limited resources. Thus, wise use of these natural resources is a fundamental prerequisite for the sustainability of human societies. This book collects 15 original scientific contributions addressing the state of the art of soil and water conservation research. Contributions cover a wide range of topics, including (1) recovery of soil hydraulic properties; (2) erosion risk; (3) novel modeling, monitoring and experimental approaches for soil hydraulic characterization; (4) improvement of crop yields; (5) water availability; and (6) soil salinity. This collection provides more insights into conservation strategies for effective and sustainable soil and water management.

Water Dynamics in Plant Production, 2nd Edition

Wilfried Ehlers,Michael Goss
Water Dynamics in Plant Production 2nd Edition Book PDF

Author : Wilfried Ehlers,Michael Goss
Publisher : CABI
Page : 395 pages
File Size : 52,5 Mb
Release : 2016-03-24
Category : Technology & Engineering
ISBN : 9781780643816

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Water Dynamics in Plant Production, 2nd Edition by Wilfried Ehlers,Michael Goss Pdf

Water is the most basic essential for plant growth; an inadequate supply causes severe problems, as plants rely on the water transmitted by soil to meet their physiological and nutritional needs. Since the first edition was published, flooding and droughts throughout the world have made water an even more topical subject, as the importance and instability of our water supplies have been brought to the forefront of daily life. This new edition of Water Dynamics in Plant Production focuses on the dynamics of water through the hydrologic cycle and the associated mechanisms that plants employ to optimize growth and development. It describes the basic scientific principles of water transport in the soil-plant atmosphere continuum, and explains the linkage between transpirational water use and dry matter production. Paying particular attention to the various agronomic strategies for adaptation to climate-driven limitations of water resources, the efficiency of water use in plant production and in achieving an economic yield is presented in detail. This book offers a multidisciplinary introduction to the fundamentals and applications of water dynamics in natural and managed ecosystems. Including text boxes throughout, as well as online supplementary material, it provides an essential state of-the-art resource for students and researchers of soil and plant science, hydrology and agronomy.

Landscape Dynamics, Soils and Hydrological Processes in Varied Climates

Assefa M. Melesse,Wossenu Abtew
Landscape Dynamics Soils and Hydrological Processes in Varied Climates Book PDF

Author : Assefa M. Melesse,Wossenu Abtew
Publisher : Springer
Page : 839 pages
File Size : 41,5 Mb
Release : 2015-07-21
Category : Nature
ISBN : 9783319187877

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Landscape Dynamics, Soils and Hydrological Processes in Varied Climates by Assefa M. Melesse,Wossenu Abtew Pdf

The book presents the processes governing the dynamics of landscapes, soils and sediments, water and energy under different climatic regions using studies conducted in varied climatic zones including arid, semi-arid, humid and wet regions. The spatiotemporal availability of the processes and fluxes and their linkage to the environment, land, soil and water management are presented at various scales. Spatial scales including laboratory, field, watershed, river basin and regions are represented. The effect of tillage operations and land management on soil physical characteristics and soil moisture is discussed. The book has 35 chapters in seven sections: 1) Landscape and Land Cover Dynamics, 2) Rainfall-Runoff Processes, 3) Floods and Hydrological Processes 4) Groundwater Flow and Aquifer Management, 5) Sediment Dynamics and Soil Management, 6) Climate change impact on vegetation, sediment and water dynamics, and 7) Water and Watershed Management.

Climate Change and Terrestrial Ecosystem Modeling

Gordon Bonan
Climate Change and Terrestrial Ecosystem Modeling Book PDF

Author : Gordon Bonan
Publisher : Cambridge University Press
Page : 459 pages
File Size : 45,6 Mb
Release : 2019-02-21
Category : Mathematics
ISBN : 9781107043787

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Climate Change and Terrestrial Ecosystem Modeling by Gordon Bonan Pdf

Provides an essential introduction to modeling terrestrial ecosystems in Earth system models for graduate students and researchers.

Ecohydrology of Water-Controlled Ecosystems

Ignacio Rodríguez-Iturbe,Amilcare Porporato
Ecohydrology of Water Controlled Ecosystems Book PDF

Author : Ignacio Rodríguez-Iturbe,Amilcare Porporato
Publisher : Cambridge University Press
Page : 0 pages
File Size : 42,6 Mb
Release : 2007-02-26
Category : Science
ISBN : 0521036747

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Ecohydrology of Water-Controlled Ecosystems by Ignacio Rodríguez-Iturbe,Amilcare Porporato Pdf

Addressing the connections between the hydrologic cycle and plant ecosystems, the authors build suitable mathematical models and apply them to studying the ecosystem structure. Response to rainfall and climate forcing is analyzed from different areas of the world, including savannas, grasslands and forests. The book will appeal to advanced students and researchers in environmental science, hydrology, ecology, earth science, civil and environmental engineering, agriculture, and atmospheric science.

Understanding Options for Agricultural Production

G.Y. Tsuji,G. Hoogenboom,P.K. Thornton
Understanding Options for Agricultural Production Book PDF

Author : G.Y. Tsuji,G. Hoogenboom,P.K. Thornton
Publisher : Springer Science & Business Media
Page : 405 pages
File Size : 40,8 Mb
Release : 2013-03-14
Category : Science
ISBN : 9789401736244

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Understanding Options for Agricultural Production by G.Y. Tsuji,G. Hoogenboom,P.K. Thornton Pdf

The first premise of this book is that farmers need access to options for improving their situation. In agricultural terms, these options might be manage ment alternatives or different crops to grow, that can stabilize or increase household income, that reduce soil degradation and dependence on off-farm inputs, or that exploit local market opportunities. Farmers need a facilitating environment, in which affordable credit is available if needed, in which policies are conducive to judicious management of natural resources, and in which costs and prices of production are stable. Another key ingredient of this facilitating environment is information: an understanding of which options are viable, how these operate at the farm level, and what their impact may be on the things that farmers perceive as being important. The second premise is that systems analysis and simulation have an impor tant role to play in fostering this understanding of options, traditional field experimentation being time-consuming and costly. This book summarizes the activities of the International Benchmark Sites Network for Agrotechnology Transfer (IBSNAT) project, an international initiative funded by the United States Agency for International Development (USAID). IBSNAT was an attempt to demonstrate the effectiveness of understanding options through systems analysis and simulation for the ultimate benefit of farm households in the tropics and subtropics. The idea for the book was first suggested at one of the last IBSNAT group meetings held at the University of Hawaii in 1993.

Status and Dynamics of Forests in Germany

Nicole Wellbrock,Andreas Bolte
Status and Dynamics of Forests in Germany Book PDF

Author : Nicole Wellbrock,Andreas Bolte
Publisher : Springer Nature
Page : 384 pages
File Size : 52,9 Mb
Release : 2019-01-01
Category : Ecology
ISBN : 9783030157340

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Status and Dynamics of Forests in Germany by Nicole Wellbrock,Andreas Bolte Pdf

This book is an open access publication. Forest ecosystems in Central Europe are changing as a result of anthropogenic influences and changing climate conditions. As such, a large-scale monitoring programme was undertaken in order to understand the influence of site modification, deposition of air pollutants, and climate. This book presents the scientific findings of this study for Germany, including the major challenges with regard to the future preservation and management of forest ecosystems under environmental change. In addition, it addresses a number of central questions: what are the main factors affecting forest stands and soil integrity? How, and how rapidly, are forest ecosystems changing? How diverse are the changes across Germany? What will be the main risks in sustainable forest management in the future? And how can policy support the development and maintenance of adaptive and resilient forests that provide essential ecosystem services, today and in the future? Helping readers understand the importance of soils and related ecosystem processes for future sustainable forestry, and sharing essential findings on environmental change and related changes in forest status and dynamics, the book is a valuable resource for researchers and policymakers interested in science-based decisions.

Energy and Matter Fluxes of a Spruce Forest Ecosystem

Thomas Foken
Energy and Matter Fluxes of a Spruce Forest Ecosystem Book PDF

Author : Thomas Foken
Publisher : Springer
Page : 532 pages
File Size : 40,9 Mb
Release : 2017-02-27
Category : Science
ISBN : 9783319493893

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Energy and Matter Fluxes of a Spruce Forest Ecosystem by Thomas Foken Pdf

This book focuses on fluxes of energy, carbon dioxide and matter in and above a Central European spruce forest. The transition from a forest affected by acid rain into a heterogeneous forest occurred as a result of wind throw, bark beetles and climate change. Scientific results obtained over the last 20 years at the FLUXNET site DE-Bay (Waldstein-Weidenbrunnen) are shown together with methods developed at the site, including the application of footprint models for data-quality analysis, the coupling between the trunk space and the atmosphere, the importance of the Damköhler number for trace gas studies, and the turbulent conditions at a forest edge. In addition to the many experimental studies, the book also applies model studies such as higher-order closure models, Large-Eddy Simulations, and runoff models for the catchment and compares them with the experimental data. Moreover, by highlighting processes in the atmosphere it offers insights into the functioning of the ecosystem as a whole. It is of interest to ecologists, micrometeorologists and ecosystem modelers.

Coupled Dynamics in Soil

Yijian Zeng
Coupled Dynamics in Soil Book PDF

Author : Yijian Zeng
Publisher : Springer Science & Business Media
Page : 175 pages
File Size : 49,8 Mb
Release : 2012-12-14
Category : Nature
ISBN : 9783642340734

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Coupled Dynamics in Soil by Yijian Zeng Pdf

In arid and semi-arid areas, the main contributions to land surface processes are precipitation, surface evaporation and surface energy balancing. In the close-to-surface layer and root-zone layer, vapor flux is the dominant flux controlling these processes - process which, in turn, influence the local climate pattern and the local ecosystem. The work reported in this thesis attempts to understand how the soil airflow affects the vapor transport during evaporation processes, by using a two-phase heat and mass transfer model. The necessity of including the airflow mechanism in land surface process studies is discussed and highlighted.

Structure and Function of a Chihuahuan Desert Ecosystem

Kris M. Havstad,Laura F. Huenneke,William H. Schlesinger
Structure and Function of a Chihuahuan Desert Ecosystem Book PDF

Author : Kris M. Havstad,Laura F. Huenneke,William H. Schlesinger
Publisher : Oxford University Press
Page : 492 pages
File Size : 55,6 Mb
Release : 2006-07-20
Category : Science
ISBN : 0195344278

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Structure and Function of a Chihuahuan Desert Ecosystem by Kris M. Havstad,Laura F. Huenneke,William H. Schlesinger Pdf

The Jornada Basin LTER is located in the Chihuahuan Desert, the largest in North America. This region of south central New Mexico has a history of nearly 100 years as the basis for scientific research. This work gives a thorough, encompassing review of the tremendous array of observations resulting from experiments conducted in this ecosystem. Beginning with thorough descriptions of the most salient features of the region, the book then reviews a wide range of archived and active data sets on a diversity of biotic and abiotic features. It next presents a syntheses of important topics including livestock grazing and remediation efforts. A concluding chapter provides a synthesis of the principles that have emerged from this body of work, and how these relate to the broader fields of ecology and natural resource management. It concludes with recommendations for future research directions. The insightful views expressed in this volume should guide management of arid landscapes globally. This is the sixth volume in the Long Term Ecological Network Series.