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Author : J. W. Pomeroy
Publisher :
ISBN 13 : 9781896513386
Total Pages : 375 pages
Book Rating : 4.87/5 ( download)
Download or read book Putting Prediction in Ungauged Basins Into Practice written by J. W. Pomeroy and published by . This book was released on 2013 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Murugesu Sivapalan
Publisher :
ISBN 13 : 9781901502480
Total Pages : 534 pages
Book Rating : 4.81/5 ( download)
Download or read book Predictions in Ungauged Basins written by Murugesu Sivapalan and published by . This book was released on 2006 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Günter Blöschl
Publisher : Cambridge University Press
ISBN 13 : 1107067553
Total Pages : 491 pages
Book Rating : 4.54/5 ( download)
Download or read book Runoff Prediction in Ungauged Basins written by Günter Blöschl and published by Cambridge University Press. This book was released on 2013-04-18 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: Predicting water runoff in ungauged water catchment areas is vital to practical applications such as the design of drainage infrastructure and flooding defences, runoff forecasting, and for catchment management tasks such as water allocation and climate impact analysis. This full colour book offers an impressive synthesis of decades of international research, forming a holistic approach to catchment hydrology and providing a one-stop resource for hydrologists in both developed and developing countries. Topics include data for runoff regionalisation, the prediction of runoff hydrographs, flow duration curves, flow paths and residence times, annual and seasonal runoff, and floods. Illustrated with many case studies and including a final chapter on recommendations for researchers and practitioners, this book is written by expert authors involved in the prestigious IAHS PUB initiative. It is a key resource for academic researchers and professionals in the fields of hydrology, hydrogeology, ecology, geography, soil science, and environmental and civil engineering.
Author : Edward A. Johnson
Publisher : Cambridge University Press
ISBN 13 : 1316785130
Total Pages : 495 pages
Book Rating : 4.33/5 ( download)
Download or read book A Biogeoscience Approach to Ecosystems written by Edward A. Johnson and published by Cambridge University Press. This book was released on 2016-10-13 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biogeoscience is a rapidly growing interdisciplinary field that aims to bring together biological and geophysical processes. This book builds an enhanced understanding of ecosystems by focusing on the integrative connections between ecological processes and the geosphere, hydrosphere and atmosphere. Each chapter provides studies by researchers who have contributed to the biogeoscience synthesis, presenting the latest research on the relationships between ecological processes, such as conservation laws and heat and transport processes, and geophysical processes, such as hillslope, fluvial and aeolian geomorphology, and hydrology. Highlighting the value of biogeoscience as an approach to understand ecosystems, this is an ideal resource for researchers and students in both ecology and the physical sciences.
Author : Stewart W. Franks
Publisher : International Assn of Hydrological Sciences
ISBN 13 : 9781901502381
Total Pages : 348 pages
Book Rating : 4.84/5 ( download)
Download or read book Predictions in Ungauged Basins written by Stewart W. Franks and published by International Assn of Hydrological Sciences. This book was released on 2005 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrological prediction where data are available is relatively easily achieved, albeit subject to uncertainty that is often unquantified. But, ungauged catchments (by far the majority) present major difficulties for hydrological prediction, hence the IAHS Predictions in Ungauged Basins (PUB) initiative. This volume combines chapters presenting innovative theoretical and practical possibilities of different approaches for prediction, with contributions describing the differing perspectives and specific needs of Australia and Japan in particular.
Author : Christopher J. Duffy
Publisher : MDPI
ISBN 13 : 3038429511
Total Pages : 255 pages
Book Rating : 4.17/5 ( download)
Download or read book Hillslope and Watershed Hydrology written by Christopher J. Duffy and published by MDPI. This book was released on 2018-09-14 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Hillslope and Watershed Hydrology" that was published in Water
Author : Abdelazim M. Negm
Publisher : Springer
ISBN 13 : 3319953451
Total Pages : 378 pages
Book Rating : 4.58/5 ( download)
Download or read book Sustainability of Agricultural Environment in Egypt: Part I written by Abdelazim M. Negm and published by Springer. This book was released on 2018-11-11 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume discusses the sustainability of Egypt’s agriculture and the challenges involved. It provides a comprehensive review and the latest research findings, and covers a variety of topics under the following themes: · Applicability of sustainable agriculture in Egypt · Sustainable agriculture under water scarcity and polluted soil environments · Improved crop productivity using a variety of tried and tested procedures · Biotechnology application for agricultural sustainability and food security · Potentiality of soil-sensing for a more sustainable agricultural environment The volume closes with a summary of the key conclusions and recommendations from all chapters. Together with the companion volume Sustainability of Agricultural Environment in Egypt: Part II, it offers an essential source of information for postgraduate students, researchers, and stakeholders alike.
Author : Elaheh White
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.72/5 ( download)
Download or read book Statistical Learning for Unimpaired Flow Prediction in Ungauged Basins written by Elaheh White and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: All science is the search for unity in hidden likeness (Bronowski, 1988). There are two practical reasons to approximate processes that produce such hidden likeness: (1) prediction for interpolation or extrapolation to unknown (often future) situations; and (2) inferenceto understand how variables are connected or how change in one affects others. Statistical learning tools aid prediction and at times inference. In recent years, rapidly growing computing power, the advent of machine learning algorithms, and more user-friendly programming languages (e.g., R and Python) support applying statistical learning methods to broader societal problems. This dissertation develops statistical learning models, generally simpler than mechanistic models, to predict unimpaired flows of California basins from available data. Unimpaired flow is the flow produced by the basin in its current state, but without human-created or operated water storage, diversion, or return flows (California Department of Water Resources, Bay-Delta Office, 2016). The models predict unimpaired flows for ungauged basins, an International Association of Hydrological Sciences "grand challenge" in hydrology. In Predicting Ungauged Basins (PUB), the models learn from information at gauged points on a river and extrapolate to ungauged locations. Several issues arise in this prediction problem: (1) How we view hydrology and how we define observational units determine how data is pre-processed for statistical learning methods. So, one issue is in deciding the organization of the data (e.g., aggregate vs. incrementalbasins). Such data transformation or pre-processing is explored in Chapter 2. (2) Often, water resources problems are not concerned with accurately predicting the expectation (or mean) of a distribution but require better estimates of extreme values of the distribution(e.g., floods and droughts). Solving this problem involves defining asymmetric loss functions, which is presented in Chapter 3. (3) Hydrologic observations have inherent dependencies and correlation structure; gauge data are structured in time and space, and rivers form a network of flows that feed into one another (i.e., temporal, spatial, and hierarchical autocorrelation). These characteristics require careful construction of resampling techniques for model error estimation, which is discussed in Chapter 4. (4) Non-stationarity due to climate change may require adjustments to statistical models, especially for long-term decision-making. Chapter 5 compares unimpaired flow predictions from a statistical model that uses climate variables representing future hydrology to projections from climate models. These issues make Predicting Ungauged Basins (PUB) a non-trivial problem for statistical learning methods operating with no a priori knowledge of the system. Compared to physical or semi-physical models, statistical learning models learn from the data itself, withno assumptions on underlying processes. Their advantages lie in their fast and easy development, simplicity of use, lesser data requirements, good performance, and flexibility in model structure and parameter specifications. In the past two decades, more sophisticated statistical learning models have been applied to rainfall-runoff modeling. However, with these methods, there are issues such as the danger of overfitting, their lack of justification outside the range of underlying data sets, complexity in model structure, and limitations from the nature of the algorithms deployed. Keywords: predicting ungauged basins (PUB); rainfall-runoff modeling; asymmetric loss functions; structured data; blocked resampling methods; climate change; water resources; hydrology; statistical learning.
Author : Günter Blöschl
Publisher :
ISBN 13 : 9781107059269
Total Pages : 492 pages
Book Rating : 4.67/5 ( download)
Download or read book Runoff Prediction in Ungauged Basins written by Günter Blöschl and published by . This book was released on 2013 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Predicting water runoff in ungauged water catchment areas is vital to practical applications such as the design of drainage infrastructure and flooding defences, runoff forecasting, and for catchment management tasks such as water allocation and climate impact analysis. This important new book synthesises decades of international research, forming a holistic approach to catchment hydrology and providing a one-stop resource for hydrologists in both developed and developing countries. Topics include data for runoff regionalisation, the prediction of runoff hydrographs, flow duration curves, flow paths and residence times, annual and seasonal runoff, and floods. Illustrated with many case studies and including a final chapter on recommendations for researchers and practitioners, this book is written by expert authors involved in the prestigious IAHS PUB initiative. It is a key resource for academic researchers and professionals in the fields of hydrology, hydrogeology, ecology, geography, soil science, and environmental and civil engineering"--
Author : Luis García
Publisher : World Bank Publications
ISBN 13 : 1464804761
Total Pages : 267 pages
Book Rating : 4.62/5 ( download)
Download or read book Earth Observation for Water Resources Management written by Luis García and published by World Bank Publications. This book was released on 2016-04-14 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water systems are building blocks for poverty alleviation, shared growth, sustainable development, and green growth strategies. They require data from in-situ observation networks. Budgetary and other constraints have taken a toll on their operation and there are many regions in the world where the data are scarce or unreliable. Increasingly, remote sensing satellite-based earth observation is becoming an alternative. This book briefly describes some key global water challenges, perspectives for remote sensing approaches, and their importance for water resources-related activities. It describes eight key types of water resources management variables, a list of sensors that can produce such information, and a description of existing data products with examples. Earth Observation for Water Resources Management provides a series of practical guidelines that can be used by project leaders to decide whether remote sensing may be useful for the problem at hand and suitable data sources to consider if so. The book concludes with a review of the literature on reliability statistics of remote-sensed estimations.
