Comparing Estimates Of Actual Evapotranspiration From Satellites Hydrological Models And Field Data

Author : G. W. Kite,Peter Droogers
Publisher : IWMI
Page : 41 pages
File Size : 45,6 Mb
Release : 2000
Category : Evapotranspiration
ISBN : 9789290904120

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Comparing Estimates of Actual Evapotranspiration from Satellites, Hydrological Models, and Field Data by G. W. Kite,Peter Droogers Pdf

An overview of an experiment in which 8 different methods of estimating actual evaporation and transpiration were compared using a common database. Methods based on field data, hydrological models, and satellite data were used and the objectives were to compare results and to assess the utility of each method for various applications.

Author : Megh R Goyal,Eric W. Harmsen
Publisher : CRC Press
Page : 628 pages
File Size : 54,9 Mb
Release : 2013-09-26
Category : Science
ISBN : 9781482212167

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Evapotranspiration by Megh R Goyal,Eric W. Harmsen Pdf

This book covers topics on the basic models, assessments, and techniques to calculate evapotranspiration (ET) for practical applications in agriculture, forestry, and urban science. This simple and thorough guide provides the information and techniques necessary to develop, manage, interpret, and apply evapotranspiration ET data to practical applications. The simplicity of the contents assists technicians in developing ET data for effective water management.

Author : Leszek Labedzki
Publisher : BoD – Books on Demand
Page : 462 pages
File Size : 55,7 Mb
Release : 2011-03-16
Category : Technology & Engineering
ISBN : 9789533072517

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Evapotranspiration by Leszek Labedzki Pdf

Evapotranspiration is a very complex phenomenon, comprising different aspects and processes (hydrological, meteorological, physiological, soil, plant and others). Farmers, agriculture advisers, extension services, hydrologists, agrometeorologists, water management specialists and many others are facing the problem of evapotranspiration. This book is dedicated to further understanding of the evapotranspiration problems, presenting a broad body of experience, by reporting different views of the authors and the results of their studies. It covers aspects from understandings and concepts of evapotranspiration, through methodology of calculating and measuring, to applications in different fields, in which evapotranspiration is an important factor. The book will be of benefit to scientists, engineers and managers involved in problems related to meteorology, climatology, hydrology, geography, agronomy and agricultural water management. We hope they will find useful material in this collection of papers.

Author : Ian Simmers
Publisher : Taylor & Francis
Page : 353 pages
File Size : 42,8 Mb
Release : 2003-01-01
Category : Science
ISBN : 9781135291082

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Understanding Water in a Dry Environment by Ian Simmers Pdf

In order to provide water security in the twenty-first century, there is universal agreement that a continuation of current policies and extrapolation of trends is not an option. Also clear is that from both water supply and development perspectives, the world's arid and semi-arid regions are those currently and potentially experiencing the highest

Author : Saeid Eslamian,Faezeh Eslamian
Publisher : CRC Press
Page : 536 pages
File Size : 40,7 Mb
Release : 2023-05-31
Category : Science
ISBN : 9781000865233

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Handbook of Irrigation Hydrology and Management by Saeid Eslamian,Faezeh Eslamian Pdf

Ever-increasing population growth has caused a proportional increased demand for water, and existing water sources are depleting day by day. Moreover, with the impact of climate change, the rates of rainfall in many regions have experienced a higher degree of variability. In many cities, government utilities have been struggling to maintain sufficient water for the residents and other users. The Handbook of Irrigation Hydrology and Management examines and analyzes irrigated ecosystems in which water storage, applications, or drainage volumes are artificially controlled in the landscape and the spatial domain of processes varies from micrometers to tens of kilometers, while the temporal domain spans from seconds to centuries. The continuum science of irrigation hydrology includes the surface, subsurface (unsaturated and groundwater systems), atmospheric, and plant subsystems. Further, the book includes coverage of environmental and economic impacts, water quality issues, water harvesting, satellite measurements for irrigation, and more. Features: Offers water-saving strategies to increase the judicious use of scarce water resources Presents strategies to maximize agricultural yield per unit of water used for different regions Compares irrigation methods to offset changing weather patterns and impacts of climate change

Author : Giulio Lorenzini,C. A. Brebbia
Publisher : WIT Press
Page : 417 pages
File Size : 41,5 Mb
Release : 2006
Category : Technology & Engineering
ISBN : 9781845640439

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Sustainable Irrigation Management, Technologies and Policies by Giulio Lorenzini,C. A. Brebbia Pdf

Fresh water is becoming an ever increasingly precious commodity, control of which could lead in the near future to the type of political instability now associated with energy shortages. This book addresses the different aspects of irrigation, including not only the management of water resources and scientific and technical aspects, but also matters related to policy and economics, researchers in academia and industry as well as professional practitioners and policy makers. Bringing together papers from the First International Conference on Sustainable Irrigation Management, Technologies and Policies, the book covers topics such as: Irrigation Controls; Irrigation Modelling; Irrigation Systems and Planning; Irrigation Management.

Author : Stavros Alexandris
Publisher : BoD – Books on Demand
Page : 288 pages
File Size : 41,6 Mb
Release : 2013-04-30
Category : Science
ISBN : 9789535111153

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Evapotranspiration by Stavros Alexandris Pdf

Evapotranspiration - An Overview contains recent advances in the physics of evaporation and transpiration from a typical experimental site to large scale areas. It incorporates many years of authors experience with the latest research on the methods and the models used worldwide, engaging advanced technology and modern instrumentation. The reader benefits from the in-depth analysis and the diverse sites and settings, where the models, applications and methods are tested. Weather conditions, soil moisture, geology, climatic systems are examined for their role and influence on the theoretical and actual water demand by the atmosphere in the earth's ecosystem. This book not only provides students and scientists with the information to improve the procedures for estimating evapotranspiration, but will also help them to manage and evaluate the observed data.

Author : Pradeep Wagle,Prasanna Gowda
Publisher : MDPI
Page : 240 pages
File Size : 47,5 Mb
Release : 2019-10-11
Category : Technology & Engineering
ISBN : 9783039216024

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Remote Sensing of Evapotranspiration (ET) by Pradeep Wagle,Prasanna Gowda Pdf

Evapotranspiration (ET) is a critical component of the water and energy balances, and the number of remote sensing-based ET products and estimation methods has increased in recent years. Various aspects of remote sensing of ET are reported in the 11 papers published in this book. The major research areas covered by this book include inter-comparison and performance evaluation of widely used one- and two-source energy balance models, a new dual-source model (Soil Plant Atmosphere and Remote Sensing Evapotranspiration, SPARSE), and a process-based model (ETMonitor); assessment of multi-source (e.g., remote sensing, reanalysis, and land surface model) ET products; development or improvement of data fusion frameworks to predict continuous daily ET at a high spatial resolution (field-scale or 30 m) by fusing the advanced spaceborne thermal emission reflectance radiometer (ASTER), the moderate resolution imaging spectroradiometer (MODIS), and Landsat data; and investigating uncertainties in ET estimates using an ET ensemble composed of several land surface models and diagnostic datasets. The effects of the differences between ET products on water resources and ecosystem management were also investigated. More accurate ET estimates and improved understanding of remotely sensed ET products are crucial for maximizing crop productivity while minimizing water losses and management costs.

Author : Megh R. Goyal
Publisher : CRC Press
Page : 350 pages
File Size : 42,7 Mb
Release : 2012-07-19
Category : Science
ISBN : 9781466558809

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Management of Drip/Trickle or Micro Irrigation by Megh R. Goyal Pdf

This important book—the only complete, one-stop manual on microirrigation worldwide--offers knowledge and techniques necessary to develop and manage a drip/trickle or micro irrigation system. The simplicity of the contents facilitates a technician to develop an effective micro irrigation system. Management of Drip/Trickle or Micro Irrigation includes the basic considerations relating to soil-water-plant interactions, with topics such as methods for soil moisture measurement; evapotranspiration; irrigation systems; tensiometer use and installation; principles of drip/ micro/ trickle irrigation; filtration systems; automation; chloration; service and maintenance; design of drip irrigation and lateral lines; the evaluation of uniformity of application; and an economical analysis for selecting irrigation technology.

Author : Meredith Giordano,Frank R. Rijsberman,R. Maria Saleth
Publisher : IWA Publishing
Page : 289 pages
File Size : 43,8 Mb
Release : 2007-01-01
Category : Science
ISBN : 9781843391128

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More Crop Per Drop by Meredith Giordano,Frank R. Rijsberman,R. Maria Saleth Pdf

This volume is an analytical summary and a critical synthesis of research at the International Water Management Institute over the past decade under its evolving research paradigm known popularly as 'more crop per drop'. The research synthesized here covers the full range of issues falling in the larger canvas of water-food-health-environment interface. Besides its immediate role in sharing knowledge with the research, donor, and policy communities, this volume also has a larger purpose of promoting a new way of looking at the water issues within the broader development context of food, livelihood, health and environmental challenges. More crop per drop: Revisiting a research paradigm contrasts the acquired wisdom and fresh thinking on some of the most challenging water issues of our times. It describes new tools, approaches, and methodologies and also illustrates them with practical application both from a global perspective and within the local and regional contexts of Asia and Africa. Since this volume brings together all major research works of IWMI, including an almost exhaustive list of citations, in one single set of pages, it is very valuable not only as a reference material for researchers and students but also as a policy tool for decision-makers and development agencies.

Author : Giordano, Meredith,Turral, H.,Scheierling, S. M.,Treguer, D. O.,McCornick, Peter G.
Publisher : Colombo, Sri Lanka: International Water Management Institute (IWMI) Washington, DC, USA: The World Bank
Page : 58 pages
File Size : 48,5 Mb
Release : 2017-06-01
Category : Technology & Engineering
ISBN : 9789290908487

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9789290908487 by Giordano, Meredith,Turral, H.,Scheierling, S. M.,Treguer, D. O.,McCornick, Peter G. Pdf

Author : Manfred Owe
Publisher : Unknown
Page : 632 pages
File Size : 44,8 Mb
Release : 2001
Category : Hydrology
ISBN : 1901502465

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Remote Sensing and Hydrology 2000 by Manfred Owe Pdf

Author : Peter Droogers,G. W. Kite
Publisher : IWMI
Page : 25 pages
File Size : 42,6 Mb
Release : 2001
Category : Hydrologic models
ISBN : 9789290904311

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Estimating Productivity of Water at Different Spatial Scales Using Simulation Modeling by Peter Droogers,G. W. Kite Pdf

A clear understanding of the current water balance is required to explore options for water saving measures. However, measurement of all the terms in the water balance is infeasible in terms of spatial and temporal scale, but hydrological simulation models can fill the gap between measured and required data. For a basin in Western Turkey, simulation modeling at three different scales, field, irrigation scheme and basin scale, was performed to obtain all terms of the water balance. These water balance numbers were used to calculate the Productivity of Water at the three spatial levels distinguished to assess the performance of the systems.

Author : Hao Wang,Xianyong Meng
Publisher : MDPI
Page : 384 pages
File Size : 40,7 Mb
Release : 2019-07-23
Category : Science
ISBN : 9783039212354

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Application of the China Meteorological Assimilation Driving Datasets for the SWAT Model (CMADS) in East Asia by Hao Wang,Xianyong Meng Pdf

To promote scientific understanding of surface processes in East Asia, we have published details of the CMADS dataset in the journal, Water, and expect that users around the world will learn about CMADS datasets while promoting the development of hydrometeorological disciplines in East Asia. We hope and firmly believe that scientific development in East Asia and our understanding of this typical region will be further advanced.

Author : Marlyn L. Shelton
Publisher : Cambridge University Press
Page : 439 pages
File Size : 54,8 Mb
Release : 2009
Category : Science
ISBN : 9780521848886

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Hydroclimatology by Marlyn L. Shelton Pdf

A graduate textbook on the interdisciplinary significance of hydroclimatology, explaining the relationship between the climate system and the hydrologic cycle.