Modelling Soil Water Dynamics in Vegetated Soils

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (93 download)

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Book Synopsis Modelling Soil Water Dynamics in Vegetated Soils by :

Download or read book Modelling Soil Water Dynamics in Vegetated Soils written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Es spricht der Pannendoktor

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Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (721 download)

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Book Synopsis Es spricht der Pannendoktor by :

Download or read book Es spricht der Pannendoktor written by and published by . This book was released on 1938 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Landscape Dynamics, Soils and Hydrological Processes in Varied Climates

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Publisher : Springer
ISBN 13 : 3319187872
Total Pages : 822 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Landscape Dynamics, Soils and Hydrological Processes in Varied Climates by : Assefa M. Melesse

Download or read book Landscape Dynamics, Soils and Hydrological Processes in Varied Climates written by Assefa M. Melesse and published by Springer. This book was released on 2015-07-21 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Computer Simulation of Soil-water Dynamics

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Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Computer Simulation of Soil-water Dynamics by : Daniel Hillel

Download or read book Computer Simulation of Soil-water Dynamics written by Daniel Hillel and published by . This book was released on 1977 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Soil Water Dynamics

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Publisher : Oxford University Press
ISBN 13 : 0195344111
Total Pages : 416 pages
Book Rating : 4.1/5 (953 download)

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Book Synopsis Soil Water Dynamics by : Arthur W. Warrick

Download or read book Soil Water Dynamics written by Arthur W. Warrick and published by Oxford University Press. This book was released on 2003-02-13 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Modeling of Soil Moisture Dynamics of Grasslands in Response to CO2 and Biodiversity Manipulations at BioCON

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Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (92 download)

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Book Synopsis Modeling of Soil Moisture Dynamics of Grasslands in Response to CO2 and Biodiversity Manipulations at BioCON by : Raquel Henriques Flinker

Download or read book Modeling of Soil Moisture Dynamics of Grasslands in Response to CO2 and Biodiversity Manipulations at BioCON written by Raquel Henriques Flinker and published by . This book was released on 2014 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing atmospheric carbon dioxide (CO2) leads to global warming. This can have several impacts on climate and on plant biodiversity, and has been the topic of many studies. The objective of this thesis was to understand the effects of higher atmospheric CO2 on soil moisture dynamics in the grasslands of central Minnesota using detailed hydrologic modeling to explain previous experimental observations at the BioCON site, a free-air CO2 enrichment experiment. The hydraulic properties and texture of soils collected from BioCON were determined in the laboratory through grainsize analysis and continuous evaporative drying to determine soil moisture retention curves and hydraulic conductivities. These results were used as input for numerical soil water flow and energy balance models. The models showed that vegetation presence and atmospheric CO2 concentrations significantly affected the soil moisture dynamics. Summer evapotranspiration (ET) had a higher variation for bare plots than for vegetated plots. This likely occurred because the vegetation provided a buffer against the variations in weather conditions. Vegetation not only retains part of the precipitation on its leaves, it also retains water in its structure and transpires while carrying out photosynthesis. Higher water content was also seen for the bare plots than for the vegetated soils. For some vegetated plots, there were differences between simulated and observed soil moisture. This could have been caused by a difference in plant composition and could suggest that different plant species can respond differently to varying CO2 atmospheric concentrations leading to different soil moisture dynamics. In addition to this, smaller ET values and higher soil water content values at vegetated elevated CO2 conditions than at ambient CO2 conditions were simulated. This was expected, as higher atmospheric CO2 is linked to higher plant water efficiency and larger biomass. For the simulations, higher values for stomatal resistance and higher plant and plant residue biomass were used. If increasing CO2 conditions in fact decreases ET, regional weather patterns could be affected as less ET could delay the speed that water flows through the water cycle.

Structure and Function of a Chihuahuan Desert Ecosystem

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Publisher : Oxford University Press
ISBN 13 : 0195344278
Total Pages : 482 pages
Book Rating : 4.1/5 (953 download)

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Book Synopsis Structure and Function of a Chihuahuan Desert Ecosystem by : Kris M. Havstad

Download or read book Structure and Function of a Chihuahuan Desert Ecosystem written by Kris M. Havstad and published by Oxford University Press. This book was released on 2006-07-20 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Coupled Dynamics in Soil

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Publisher : Springer Science & Business Media
ISBN 13 : 3642340733
Total Pages : 175 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Coupled Dynamics in Soil by : Yijian Zeng

Download or read book Coupled Dynamics in Soil written by Yijian Zeng and published by Springer Science & Business Media. This book was released on 2012-12-14 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

A Wetting-front Model of Soil Water Dynamics

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Publisher :
ISBN 13 :
Total Pages : 606 pages
Book Rating : 4.:/5 (937 download)

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Book Synopsis A Wetting-front Model of Soil Water Dynamics by : Roger Burnham Clapp

Download or read book A Wetting-front Model of Soil Water Dynamics written by Roger Burnham Clapp and published by . This book was released on 1982 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling Methods and Practices in Soil and Water Engineering

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Publisher : CRC Press
ISBN 13 : 1771883278
Total Pages : 375 pages
Book Rating : 4.7/5 (718 download)

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Book Synopsis Modeling Methods and Practices in Soil and Water Engineering by : Balram Panigrahi

Download or read book Modeling Methods and Practices in Soil and Water Engineering written by Balram Panigrahi and published by CRC Press. This book was released on 2017-03-16 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the development of useful models and their applications in soil and water engineering. It covers various modeling methods, including groundwater recharge estimation, rainfall-runoff modeling using artificial neural networks, development and application of a water balance model and a HYDRUS-2D model for cropped fields, a multi-model approach for stream flow simulation, multi-criteria analysis for construction of groundwater structures in hard rock terrains, hydrologic modeling of watersheds using remote sensing, and GIS and AGNPS.

Handbook of Processes and Modeling in the Soil-Plant System

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Publisher : CRC Press
ISBN 13 : 9781560229155
Total Pages : 800 pages
Book Rating : 4.2/5 (291 download)

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Book Synopsis Handbook of Processes and Modeling in the Soil-Plant System by : Rolf Nieder

Download or read book Handbook of Processes and Modeling in the Soil-Plant System written by Rolf Nieder and published by CRC Press. This book was released on 2003-09-15 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn to create and use simulation models—the most reliable and cost-effective tools for predicting real-world results! The Handbook of Processes and Modeling in the Soil-Plant System is the first book to present a holistic view of the processes within the soil-plant-atmosphere continuum. Unlike other publications, which tend to be more specialized, this book covers nearly all of the processes in the soil-plant system, including the fundamental processes of soil formation, degradation, and the dynamics of water and matter. It also illustrates how simulation modeling can be used to understand and forecast multiple interactions among various processes and predict their environmental impact. This unique volume assembles information that until now was scattered among journals, bulletins, reports, and symposia proceedings to present models that simulate almost all of the processes occurring in the soil-plant system and explores the results that these models are capable of producing. With chapters authored by experts with years of research and teaching experience, the Handbook of Processes and Modeling in the Soil-Plant System examines: physical, chemical, and biological soil processes the soil formation and weathering process and its modeling the impact of radioactive fallout on the soil-plant system soil degradation processes and ways to control them water and matter dynamics in the soil-plant system growth and development of crops at various levels of production the potentials and limitations of using simulation models Students, educators, and professionals alike will find the Handbook of Processes and Modeling in the Soil-Plant System an invaluable reference on the soil-plant-atmosphere system and an ideal tool to help develop an effective decision support system.

Soil Water Models

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Publisher : Research Branch, Agriculture Canada
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Soil Water Models by : R. DeJong

Download or read book Soil Water Models written by R. DeJong and published by Research Branch, Agriculture Canada. This book was released on 1984 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modelling Soil Water Dynamics in the Unsaturated Zone - State of the Art

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Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (852 download)

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Book Synopsis Modelling Soil Water Dynamics in the Unsaturated Zone - State of the Art by :

Download or read book Modelling Soil Water Dynamics in the Unsaturated Zone - State of the Art written by and published by . This book was released on 1988 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modelling Soil Water Dynamics in the Unsaturated Zone

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Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (649 download)

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Book Synopsis Modelling Soil Water Dynamics in the Unsaturated Zone by : Reinder A. Feddes

Download or read book Modelling Soil Water Dynamics in the Unsaturated Zone written by Reinder A. Feddes and published by . This book was released on 1988 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Climate Change and Terrestrial Ecosystem Modeling

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Publisher : Cambridge University Press
ISBN 13 : 1107043786
Total Pages : 459 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Climate Change and Terrestrial Ecosystem Modeling by : Gordon Bonan

Download or read book Climate Change and Terrestrial Ecosystem Modeling written by Gordon Bonan and published by Cambridge University Press. This book was released on 2019-02-21 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an essential introduction to modeling terrestrial ecosystems in Earth system models for graduate students and researchers.

Soil Hydrology for a Sustainable Land Management

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Publisher : MDPI
ISBN 13 : 3039365053
Total Pages : 222 pages
Book Rating : 4.0/5 (393 download)

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Book Synopsis Soil Hydrology for a Sustainable Land Management by : Simone Di Prima

Download or read book Soil Hydrology for a Sustainable Land Management written by Simone Di Prima and published by MDPI. This book was released on 2020-12-10 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil hydrology determines the water–soil–plant interactions in the Earth’s system because porous medium acts as an interface within the atmosphere and lithosphere; regulates main processes such as runoff discharge, aquifer recharge, movement of water, and solutes into the soil; and ultimately the amount of water retained and available for plants growth. Soil hydrology can be strongly affected by land management. Therefore, investigations aimed at assessing the impact of land management changes on soil hydrology are necessary, especially to optimize water resources. This Special Issue collects 12 original contributions addressing the state-of-the-art advances in soil hydrology for sustainable land management. These contributions cover a wide range of topics including (i) the effects of land use change, (ii) water use efficiency, (iii) erosion risk, (iv) solute transport, and (v) new methods and devices for improved characterization of soil physical and hydraulic properties. They include both field and laboratory experiments as well as modelling studies. Different spatial scales, i.e., from field to regional scales, and a wide range of geographic regions are also covered. The collection of these manuscripts presented in this Special Issue provides a relevant knowledge contribution for effective saving water resources and sustainable land management.

Modelling water and nutrient dynamics in soil-crop systems

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Publisher : Springer Science & Business Media
ISBN 13 : 1402044798
Total Pages : 270 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Modelling water and nutrient dynamics in soil-crop systems by : K.Ch. Kersebaum

Download or read book Modelling water and nutrient dynamics in soil-crop systems written by K.Ch. Kersebaum and published by Springer Science & Business Media. This book was released on 2007-05-10 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains articles from a workshop on the modeling of water and nutrient dynamics in crop-soil systems. Data sets from lysimeters and experimental fields of multiyear crop rotations were provided for modelers. A unique data set is provided of a 100-year, long-term field experiment into crop yield and organic carbon development under different management systems. The book includes a detailed description of data sets which can be used by modelers and the papers describe the applications of 18 different modeling approaches.