Incorporating Management Design Into Surface Irrigation Simulation
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Incorporating Management Design Into Surface Irrigation Simulation
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Author : T.S. Strelkoff
language : en
Publisher:
Release Date : 1994
Incorporating Management Design Into Surface Irrigation Simulation written by T.S. Strelkoff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Meeting Program
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Author : American Society of Agricultural Engineers. International Summer Meeting
language : en
Publisher:
Release Date : 1994
Meeting Program written by American Society of Agricultural Engineers. International Summer Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Agricultural engineering categories.
Handbook Of Environmental Fluid Dynamics Volume Two
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Author : Harindra Joseph Fernando
language : en
Publisher: CRC Press
Release Date : 2012-12-12
Handbook Of Environmental Fluid Dynamics Volume Two written by Harindra Joseph Fernando and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-12 with Science categories.
With major implications for applied physics, engineering, and the natural and social sciences, the rapidly growing area of environmental fluid dynamics focuses on the interactions of human activities, environment, and fluid motion. A landmark for the field, the two-volume Handbook of Environmental Fluid Dynamics presents the basic principles, fundamental flow processes, modeling techniques, and measurement methods used in the study of environmental motions. It also offers critical discussions of environmental sustainability related to engineering. The handbook features 81 chapters written by 135 renowned researchers from around the world. Covering environmental, policy, biological, and chemical aspects, it tackles important cross-disciplinary topics such as sustainability, ecology, pollution, micrometeorology, and limnology. Volume Two: Systems, Pollution, Modeling, and Measurements explores the interactions between engineered structures and anthropogenic activities that affect natural flows, with particular emphasis on environmental pollution. The book covers the numerical methodologies that underpin research, predictive modeling, and cyber-infrastructure developments. It also addresses practical aspects of laboratory experiments and field observations that validate quantitative predictions and help identify new phenomena and processes. As communities face existential challenges posed by climate change, rapid urbanization, and scarcity of water and energy, the study of environmental fluid dynamics becomes increasingly relevant. This volume is a valuable resource for students, researchers, and policymakers working to better understand environmental motions and how they affect and are influenced by anthropogenic activities. See also Handbook of Environmental Fluid Dynamics, Two-Volume Set and Volume One: Overview and Fundamentals.
Irrigation Management Optimization Incorporating Equity And Crop Simulation
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Author : Walter Joseph Rachel Buydens
language : en
Publisher:
Release Date : 1992
Irrigation Management Optimization Incorporating Equity And Crop Simulation written by Walter Joseph Rachel Buydens and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Selected Irrigation Return Flow Quality Abstracts
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Author :
language : en
Publisher:
Release Date :
Selected Irrigation Return Flow Quality Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Irrigation water categories.
Design And Management Of Automated Surface Irrigation
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Author : Peter William Canessa
language : en
Publisher:
Release Date : 1977
Design And Management Of Automated Surface Irrigation written by Peter William Canessa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Irrigation categories.
Selected Irrigation Return Flow Quality Abstracts 1978
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Author : Gaylord V. Skogerboe
language : en
Publisher:
Release Date : 1980
Selected Irrigation Return Flow Quality Abstracts 1978 written by Gaylord V. Skogerboe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Irrigation categories.
Innovation Issues In Water Agriculture And Food
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Author : Maria do Rosario Cameira
language : en
Publisher: MDPI
Release Date : 2019-07-15
Innovation Issues In Water Agriculture And Food written by Maria do Rosario Cameira and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-15 with Science categories.
In a worldwide context of ever-growing competition for water and land, climate change, droughts and man-made water scarcity, and less-participatory water governance, agriculture faces the great challenge of producing enough food for a continually increasing population. In this line, this book provides a broad overview of innovation issues in the complex water–agriculture–food nexus, thus also relative to their interconnections and dependences. Issues refer to different spatial scales, from the field or the farm to the irrigation system or the river basin. Multidisciplinary approaches are used when analyzing the relationships between water, agriculture, and food security. The covered issues are quite diverse and include: innovation in crop evapotranspiration, crop coefficients and modeling; updates in research relative to crop water use and saving; irrigation scheduling and systems design; simulation models to support water and agricultural decisions; issues to cope with water scarcity and climate change; advances in water resource quality and sustainable uses; new tools for mapping and use of remote sensing information; and fostering a participative and inclusive governance of water for food security and population welfare. This book brings together a variety of contributions by leading international experts, professionals, and scholars in those diverse fields. It represents a major synthesis and state-of-the-art on various subjects, thus providing a valuable and updated resource for all researchers, professionals, policymakers, and post-graduate students interested in the complex world of the water–agriculture–food nexus.
Sustainable Micro Irrigation
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Author : Megh R. Goyal
language : en
Publisher: CRC Press
Release Date : 2014-07-14
Sustainable Micro Irrigation written by Megh R. Goyal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-14 with Science categories.
This new book, Principles and Practices of Sustainable Micro Irrigation, is the first in the new series on micro irrigation, which offers a vast amount of knowledge and techniques necessary to develop and manage a drip/trickle or micro irrigation system. Written by experienced scientists from various parts of the world, the chapters in this book offer basic principles, knowledge, and techniques of micro irrigation management, which are essential in designing, developing, and evaluating an agricultural irrigation management system. The methods and techniques have worldwide applicability to irrigation management in agriculture. The book includes coverage of many important topics in the field, including: • An historical review of micro irrigation • The current global status of the field and its potential • Basic principles and applications • New research on chemigation and fertigation • Technologies for specific crops, such as sugar cane • Irrigation software for micro irrigation design • Affordable and low-cost micro irrigation solutions for small farms and farms in developing countries • Micro irrigation design using Hydrocalc software This book is a must for those interested in irrigation planning and management, namely, researchers, scientists, educators, and students.
Micro Irrigation System Design And Management
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Author : Maziar Mollaei Kandelous
language : en
Publisher:
Release Date : 2015
Micro Irrigation System Design And Management written by Maziar Mollaei Kandelous and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Increase in human population, and thus increase in demand for food, limitation in expansion of agricultural land and their limited potential in increasing the crop production all indicate the need for increase in efficiency of irrigation and fertigation practices and as a result crop production. Toward addressing these concerns, conventional surface irrigation systems were switched to micro irrigation systems, which have been proven to be effective in boosting productivity and improving water/nutrient use efficiency. However, optimum design of micro irrigation systems and irrigation/fertigation management are the key elements in achieving desired water/nutrient use efficiency. Almond's high water/nitrogen demand and acreage across the Central Valley in the California make it vulnerable to be recognized as one of the sources of nitrate contamination of groundwater. Alfalfa consumes about 20% of California's developed water, indicating the importance of optimizing water use efficiency in alfalfa. Therefore, a field monitoring study was conducted to evaluate water use efficiency and its uniformity across an almond orchard. We also conducted a numerical modeling study where HYDRUS-2D model was coupled with a multi-objective optimization tool, AMALGAM, looking for optimum subsurface drip irrigation system design/management for alfalfa. In almond orchard, monitoring of leaching was introduced as an index for evaluation of irrigation management practices. Water balance approach and Darcy's law were used to estimate the leaching of water below the root zone of almond in both tree and field scales under drip and micro-jet irrigation systems. It was shown that the uncertainty introduced by spatial variation in actual evapotranspiration and applied water dominated the temporal changes in average leaching at field scale suggesting that the field-scale water balance is not the appropriate method for leaching assessment. We used Tempe Cell, Neural Network approach and inverse modeling to estimate the soil hydraulic conductivity for Darcy law. Whereas the tree scale actual ET is known, it was shown that the estimated soil hydraulic properties by inverse modeling are greatly influenced by the ET values used in inverse modeling. It was concluded that the combination of spatial variation in soil matric potential, h, heterogeneity in soil properties, and approach used for estimation of soil hydraulic properties are the main sources of uncertainty in leaching rate estimated using Darcy law approach. Therefore, the soil hydraulic conductivity is the main limiting factor in using DL approach. Monitoring of soil matric head, h, was also found to be a good index of occurrence of leaching since the total head gradient in deep soil profile is expected to be close to unity and the magnitude of soil hydraulic conductivity and thus leaching rate is a direct function of soil matric head, h. In the numerical study for alfalfa we used the optimization framework to optimize drip-line installation depth and distance, irrigation duration, and irrigation frequency, while maximizing root water uptake and minimizing irrigation water losses by leaching in alfalfa field. These optimal parameters are determined for different root distribution (uniform and linear), and soil types (sandy loam, loam, and clay loam). It was shown that root distribution and soil properties have a large effect on optimal applied irrigation water, irrigation water scheduling, and deep percolation losses.