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Author : Ashish Sharma
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.:/5 (397 download)
Download or read book Nonparametric Approaches for Simulation of Streamflow Sequences written by Ashish Sharma and published by . This book was released on 1996 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bellie Sivakumar
Publisher : Springer
ISBN 13 : 9048125529
Total Pages : 408 pages
Book Rating : 4.0/5 (481 download)
Download or read book Chaos in Hydrology written by Bellie Sivakumar and published by Springer. This book was released on 2016-11-16 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative book presents a comprehensive account of the essential roles of nonlinear dynamic and chaos theories in understanding, modeling, and forecasting hydrologic systems. This is done through a systematic presentation of: (1) information on the salient characteristics of hydrologic systems and on the existing theories for their modeling; (2) the fundamentals of nonlinear dynamic and chaos theories, methods for chaos identification and prediction, and associated issues; (3) a review of the applications of chaos theory in hydrology; and (4) the scope and potential directions for the future. This book bridges the divide between the deterministic and the stochastic schools in hydrology, and is well suited as a textbook for hydrology courses.
Author : Priyanka Sharma
Publisher : Elsevier
ISBN 13 : 0128209240
Total Pages : 404 pages
Book Rating : 4.1/5 (282 download)
Download or read book Advances in Streamflow Forecasting written by Priyanka Sharma and published by Elsevier. This book was released on 2021-06-20 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Streamflow Forecasting: From Traditional to Modern Approaches covers the three major data-driven approaches of streamflow forecasting including traditional approach of statistical and stochastic time-series modelling with their recent developments, stand-alone data-driven approach such as artificial intelligence techniques, and modern hybridized approach where data-driven models are combined with preprocessing methods to improve the forecast accuracy of streamflows and to reduce the forecast uncertainties. This book starts by providing the background information, overview, and advances made in streamflow forecasting. The overview portrays the progress made in the field of streamflow forecasting over the decades. Thereafter, chapters describe theoretical methodology of the different data-driven tools and techniques used for streamflow forecasting along with case studies from different parts of the world. Each chapter provides a flowchart explaining step-by-step methodology followed in applying the data-driven approach in streamflow forecasting. This book addresses challenges in forecasting streamflows by abridging the gaps between theory and practice through amalgamation of theoretical descriptions of the data-driven techniques and systematic demonstration of procedures used in applying the techniques. Language of this book is kept simple to make the readers understand easily about different techniques and make them capable enough to straightforward replicate the approach in other areas of their interest. This book will be vital for hydrologists when optimizing the water resources system, and to mitigate the impact of destructive natural disasters such as floods and droughts by implementing long-term planning (structural and nonstructural measures), and short-term emergency warning. Moreover, this book will guide the readers in choosing an appropriate technique for streamflow forecasting depending upon the given set of conditions. Contributions from renowned researchers/experts of the subject from all over the world to provide the most authoritative outlook on streamflow forecasting Provides an excellent overview and advances made in streamflow forecasting over the past more than five decades and covers both traditional and modern data-driven approaches in streamflow forecasting Includes case studies along with detailed flowcharts demonstrating a systematic application of different data-driven models in streamflow forecasting, which helps understand the step-by-step procedures
Author : Chao Li
Publisher :
ISBN 13 :
Total Pages : 307 pages
Book Rating : 4.:/5 (868 download)
Download or read book Stochastic Simulation Methods for Precipitation and Streamflow Time Series written by Chao Li and published by . This book was released on 2013 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: One major acknowledged challenge in daily precipitation is the inability to model extreme events in the spectrum of events. These extreme events are rare but may cause large losses. How to realistically simulate extreme behavior of daily precipitation is necessary and important. To that end, a hybrid probability distribution is developed. The logic of this distribution is to simulate the low to moderate values by an exponential distribution and extremes by a generalized Pareto distribution. Compared with alternatives, the developed hybrid distribution is capable of simulating the entire range of precipitation amount and is much easier to use. The hybrid distribution is then used to construct a bivariate discrete-continuous mixed distribution, which is used for building a daily precipitation generator. The developed generator can successfully reproduce extreme events. Compared with other widely used generators, the most important advantage of the developed generator is that it is apt at extrapolating values significantly beyond the upper range of observed data. The major challenge in monthly streamflow simulation is referred to the underrepresentation of inter-annual variability. The inter-annual variability is often related with sustained droughts or periods of high flows. Preserving inter-annual variability is thus of particular importance for the long-term management of water resources systems. To that end, variables conveying such inter-annual signals should be used as covariates. This requires models that must be flexible at incorporating as many covariates as necessary. Keeping this point in mind, a joint conditional density estimation network is developed. Therein, the joint distribution of streamflows of two adjacent months is assumed to follow a specific parametric family. Parameters of the distribution are estimated by an artificial neural network. Due to the seasonal concentration of precipitation or the joint effect of rainfall and snowmelt, monthly streamflow distribution sometimes may exhibit a bimodal shape. To reproduce bimodality, nonparametric models are often preferred. However, the simulated sequences from existing nonparametric models represent too close a resemblance to historical record. To address this issue, while retaining typical merits of nonparametric models, a multi-model regression-sampling algorithm with a few weak assumptions is developed. Collecting hydrometric data is the first step for building hydrologic models, and for planning, design, operation, and management of water resource systems. In this dissertation, an entropy-theory-based criterion, termed maximum information minimum redundancy, is proposed for hydrometric monitoring network evaluation and design. Compared with existing similar approaches, the criterion is apt at finding stations with high information content, and locating independent stations. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/149572
Author : Lu Chen
Publisher : Springer
ISBN 13 : 9811305749
Total Pages : 296 pages
Book Rating : 4.8/5 (113 download)
Download or read book Copulas and Its Application in Hydrology and Water Resources written by Lu Chen and published by Springer. This book was released on 2018-06-28 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an overview of copula theory and its application in hydrology, and provides valuable insights, useful methods and practical applications for multivariate hydrological analysis using copulas. In addition, it extends the traditional bivariate model to trivariate or multivariate models. The specific applications covered include the study of flood frequency analysis, drought frequency analysis, dependence analysis, flood coincidence risk analysis and statistical simulation using copulas. The book offers a valuable guide for researchers, scientists and engineers working in hydrology and water resources, and will also benefit graduate or doctoral students with a basic grasp of copula functions who want to learn about the latest research developments in the field.
Author : Bellie Sivakumar
Publisher : World Scientific
ISBN 13 : 9814307971
Total Pages : 542 pages
Book Rating : 4.8/5 (143 download)
Download or read book Advances in Data-based Approaches for Hydrologic Modeling and Forecasting written by Bellie Sivakumar and published by World Scientific. This book was released on 2010 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprehensively accounts the advances in data-based approaches for hydrologic modeling and forecasting. Eight major and most popular approaches are selected, with a chapter for each stochastic methods, parameter estimation techniques, scaling and fractal methods, remote sensing, artificial neural networks, evolutionary computing, wavelets, and nonlinear dynamics and chaos methods. These approaches are chosen to address a wide range of hydrologic system characteristics, processes, and the associated problems. Each of these eight approaches includes a comprehensive review of the fundamental concepts, their applications in hydrology, and a discussion on potential future directions.
Author : Lawrence K. Wang
Publisher : Springer Science & Business Media
ISBN 13 : 1627035958
Total Pages : 879 pages
Book Rating : 4.6/5 (27 download)
Download or read book Modern Water Resources Engineering written by Lawrence K. Wang and published by Springer Science & Business Media. This book was released on 2014-01-11 with total page 879 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Environmental Engineering series is an incredible collection of methodologies that study the effects of pollution and waste in their three basic forms: gas, solid, and liquid. This exciting new addition to the series, Volume 15: Modern Water Resources Engineering , has been designed to serve as a water resources engineering reference book as well as a supplemental textbook. We hope and expect it will prove of equal high value to advanced undergraduate and graduate students, to designers of water resources systems, and to scientists and researchers. A critical volume in the Handbook of Environmental Engineering series, chapters employ methods of practical design and calculation illustrated by numerical examples, include pertinent cost data whenever possible, and explore in great detail the fundamental principles of the field. Volume 15: Modern Water Resources Engineering, provides information on some of the most innovative and ground-breaking advances in the field today from a panel of esteemed experts.
Author : Purna Nayak
Publisher : BoD – Books on Demand
ISBN 13 : 953510246X
Total Pages : 326 pages
Book Rating : 4.5/5 (351 download)
Download or read book Water Resources Management and Modeling written by Purna Nayak and published by BoD – Books on Demand. This book was released on 2012-03-21 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrology is the science that deals with the processes governing the depletion and replenishment of water resources of the earth's land areas. The purpose of this book is to put together recent developments on hydrology and water resources engineering. First section covers surface water modeling and second section deals with groundwater modeling. The aim of this book is to focus attention on the management of surface water and groundwater resources. Meeting the challenges and the impact of climate change on water resources is also discussed in the book. Most chapters give insights into the interpretation of field information, development of models, the use of computational models based on analytical and numerical techniques, assessment of model performance and the use of these models for predictive purposes. It is written for the practicing professionals and students, mathematical modelers, hydrogeologists and water resources specialists.
Author :
Publisher : Newnes
ISBN 13 : 0444531998
Total Pages : 2131 pages
Book Rating : 4.4/5 (445 download)
Download or read book Treatise on Water Science written by and published by Newnes. This book was released on 2010-09-01 with total page 2131 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water quality and management are of great significance globally, as the demand for clean, potable water far exceeds the availability. Water science research brings together the natural and applied sciences, engineering, chemistry, law and policy, and economics, and the Treatise on Water Science seeks to unite these areas through contributions from a global team of author-experts. The 4-volume set examines topics in depth, with an emphasis on innovative research and technologies for those working in applied areas. Published in partnership with and endorsed by the International Water Association (IWA), demonstrating the authority of the content Editor-in-Chief Peter Wilderer, a Stockholm Water Prize recipient, has assembled a world-class team of volume editors and contributing authors Topics related to water resource management, water quality and supply, and handling of wastewater are treated in depth
Author : P. Corbett
Publisher : Geological Society of London
ISBN 13 : 1786204312
Total Pages : 297 pages
Book Rating : 4.7/5 (862 download)
Download or read book River to Reservoir written by P. Corbett and published by Geological Society of London. This book was released on 2019-12-02 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume brings together a number of papers from two workshops with the theme, ‘Rain, Rivers, Reservoirs’, which considered the dynamic changes to river systems as part of natural processes, particularly changing climatic conditions. Bringing researchers from two different locations to Brazil and the UK allowed scientists to contribute to and promote, ‘debate on current research…on how the planet works and how we can live sustainably on it’. This volume features a series of papers on the geoscience of modern and ancient rivers from across the world (Brazil, United States, Spain, Argentina, Canada, India and the UK), their evolution through time, their management, their deposits and their engineering, with both subsurface aquifers/hydrocarbon reservoirs (of Carboniferous, Triassic and Cretaceous age) and surface reservoirs considered.
Author : Vijay P. Singh
Publisher : McGraw Hill Professional
ISBN 13 : 0071835105
Total Pages : 1438 pages
Book Rating : 4.0/5 (718 download)
Download or read book Handbook of Applied Hydrology, Second Edition written by Vijay P. Singh and published by McGraw Hill Professional. This book was released on 2016-03-07 with total page 1438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fully Updated Hydrology Principles, Methods, and Applications Thoroughly revised for the first time in 50 years, this industry-standard resource features chapter contributions from a “who’s who” of international hydrology experts. Compiled by a colleague of the late Dr. Chow, Chow’s Handbook of Applied Hydrology, Second Edition, covers scientific and engineering fundamentals and presents all-new methods, processes, and technologies. Complete details are provided for the full range of ecosystems and models. Advanced chapters look to the future of hydrology, including climate change impacts, extraterrestrial water, social hydrology, and water security. Chow’s Handbook of Applied Hydrology, Second Edition, covers: · The Fundamentals of Hydrology · Data Collection and Processing · Hydrology Methods · Hydrologic Processes and Modeling · Sediment and Pollutant Transport · Hydrometeorologic and Hydrologic Extremes · Systems Hydrology · Hydrology of Large River and Lake Basins · Applications and Design · The Future of Hydrology
Author : Percy Anandarajah Thambirajah
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (66 download)
Download or read book A Comparative Study of the Simulation of Daily Streamflow Sequences written by Percy Anandarajah Thambirajah and published by . This book was released on 1973 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 906 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 906 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 872 pages
Book Rating : 4.3/5 (91 download)
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1996 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Deepesh Machiwal
Publisher : Springer Science & Business Media
ISBN 13 : 9400718616
Total Pages : 316 pages
Book Rating : 4.4/5 (7 download)
Download or read book Hydrologic Time Series Analysis written by Deepesh Machiwal and published by Springer Science & Business Media. This book was released on 2012-03-05 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a dearth of relevant books dealing with both theory and application of time series analysis techniques, particularly in the field of water resources engineering. Therefore, many hydrologists and hydrogeologists face difficulties in adopting time series analysis as one of the tools for their research. This book fills this gap by providing a proper blend of theoretical and practical aspects of time sereies analysis. It deals with a comprehensive overview of time series characteristics in hydrology/water resources engineering, various tools and techniques for analyzing time series data, theoretical details of 31 available statistical tests along with detailed procedures for applying them to real-world time series data, theory and methodology of stochastic modelling, and current status of time series analysis in hydrological sciences. In adition, it demonstrates the application of most time series tests through a case study as well as presents a comparative performance evaluation of various time series tests, together with four invited case studies from India and abroad. This book will not only serve as a textbook for the students and teachers in water resources engineering but will also serve as the most comprehensive reference to educate researchers/scientists about the theory and practice of time series analysis in hydrological sciences. This book will be very useful to the students, researchers, teachers and professionals involved in water resources, hydrology, ecology, climate change, earth science, and environmental studies.
Download or read book Comparison of Parametric and Nonparametric Streamflow Record Extension Techniques written by and published by . This book was released on 1908 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The extension of short data records, based on information from long term data records, is a common procedure used in the planning and operation of many water resources systems. Alternative methods for extending the available streamflow data record at locations where the period of recorded data is considered too short are presented. Various deficiencies in existing regression-based parametric techniques related to the assumption of normally distributed and random residuals are id ntified. An alternate nonparametric approach which is not subject to the above assumptions is presented. The nonparametric method utilizes the relationship between the index and base record to identify similar flow patterns that can be used to generate streamflow data. The extension techniques were evaluated, and the results of the evaluation were verified, using monthly streamflow data from gauging stations in Manitoba and Ontario. The techniques are evaluated based on their relative performance in reproducing statistical features of the historic data. The parametric and nonparametric methods displayed comparable performance. The residual series of the parametric models did not follow the normal distribution, even though a data transformation was performed. Residual series from both techniques displayed autocorrelation, indicating the inability of the models in taking into account time varying relationships in the data. Model performance generally increased with common period of record. The nonparametric methods tended to improve as the available data increased. Recommendations are made as to the preferred approach under varying data availability conditions. The nonparametric techniques are recommended as a viable alternative in cases where the residual series obtained from the parametric models are not normally distributed. Using a nonparametric model as an alternative to a parametric model may involve a trade-off in terms of statistical performance under certain conditions. A procedure fo.
Author : Kevin Sydor
Publisher :
ISBN 13 :
Total Pages : 510 pages
Book Rating : 4.:/5 (184 download)
Download or read book Comparison of Parametric and Nonparametric Streamflow Record Extension Techniques written by Kevin Sydor and published by . This book was released on 1998 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
