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Stochasticity Nonlinearity And Forecasting Of Streamflow Processes
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Book Synopsis Stochasticity, Nonlinearity and Forecasting of Streamflow Processes by : Wen Wang
Download or read book Stochasticity, Nonlinearity and Forecasting of Streamflow Processes written by Wen Wang and published by IOS Press. This book was released on 2006 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Streamflow forecasting is of great importance to water resources management and flood defense. On the other hand, a better understanding of the streamflow process is fundamental for improving the skill of streamflow forecasting. The methods for forecasting streamflows may fall into two general classes: process-driven methods and data-driven methods. Equivalently, methods for understanding streamflow processes may also be broken into two categories: physically-based methods and mathematically-based methods. This thesis focuses on using mathematically-based methods to analyze stochasticity and nonlinearity of streamflow processes based on univariate historic streamflow records, and presents data-driven models that are also mainly based on univariate streamflow time series. Six streamflow processes of five rivers in different geological regions are investigated for stochasticity and nonlinearity at several characteristic timescales.
Book Synopsis Advances in Streamflow Forecasting by : Priyanka Sharma
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
Book Synopsis Recursive Streamflow Forecasting by : Jozsef Szilagyi
Download or read book Recursive Streamflow Forecasting written by Jozsef Szilagyi and published by CRC Press. This book was released on 2017-06-29 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is a practical guide to real-time streamflow forecasting that provides a rigorous description of a coupled stochastic and physically based flow routing method and its practical applications. This method is used in current times of record-breaking floods to forecast flood levels by various hydrological forecasting services. By knowing
Book Synopsis Advances in Signal Processing and Intelligent Recognition Systems by : Sabu M. Thampi
Download or read book Advances in Signal Processing and Intelligent Recognition Systems written by Sabu M. Thampi and published by Springer. This book was released on 2019-01-05 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 4th International Symposium on Advances in Signal Processing and Intelligent Recognition Systems, SIRS 2018, held in Bangalore, India, in September 2018. The 28 revised full papers and 11 revised short papers presented were carefully reviewed and selected from 92 submissions. The papers cover wide research fields including information retrieval, human-computer interaction (HCI), information extraction, speech recognition.
Book Synopsis Stochastic Modelling and Simulation of Streamflow Processes by : Chavalit Chaleeraktrakoon
Download or read book Stochastic Modelling and Simulation of Streamflow Processes written by Chavalit Chaleeraktrakoon and published by . This book was released on 1995 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The main objectives of this research are to propose a general stochastic method for determining analytically the distribution of flood volume, and to develop a simulation procedure for generating synthetic multiseason streamflows at different sites simultaneously. The research study is divided into two parts: (a) First, a general stochastic model is proposed to derive analytically the probability distribution function for flood volume. The volume of a flood is defined as the sum of an unbroken sequence of consecutive daily flows above a given truncation level. Analytical expressions were then derived for the exact distribution of flood volume for various cases in which successive flow exceedances can be assumed to be either independent or correlated, and the cumulative flow exceedance can be considered to be independent or dependent of the corresponding flood duration. The proposed stochastic method is more general and more flexible than empirical fitting approach because it can take explicitly into account different stochastic properties inherent in the underlying streamflow process. Results of a numerical application have shown that the proposed model could provide a very good fit between observed and theoretical results. Further, in the estimation of flood volume distribution, it has been found that the effect of the serial correlation property of the flow series is not significant as compared to the impact due to the dependence between flood volume and corresponding duration. Finally, it has been demonstrated that the simplistic assumption of triangular flood hydrograph shape, as usually appeared in previous studies, is not necessary in the estimation of flood volume distribution. (b) Second, a multivariate stochastic simulation approach is proposed for generating synthetic seasonal streamflow series at a single location or at many different locations concurrently. The suggested simulation scheme is based on the combination of the singular value decomposition" --
Book Synopsis Predictability of Streamflow Across Space and Time Scales by : Ganesh Raj Ghimire (PhD)
Download or read book Predictability of Streamflow Across Space and Time Scales written by Ganesh Raj Ghimire (PhD) and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the years, accurate prediction of streamflow in both space and time has been a challenge despite being one of the most studied topics in water engineering sciences. Despite significant contributions in the field of streamflow forecasting, the challenge has been to identify the trade-off between the forecast time-horizon, basin scale, and streamflow forecasting accuracy. Further, the uncertainties in real-world hydrologic processes arising from several sources often limit streamflow predictability. Investigations on the predictability of hydrological processes, especially streamflow processes, have not received much attention until recently. Because uncertainties of hydrologic processes and streamflow predictability are intertwined, there is a need to approach streamflow forecasting using a holistic framework. The literature providing a comprehensive assessment of streamflow predictability across space and time scales is still lacking. The overarching goal of this dissertation is to contribute to the current understanding and discussions of uncertainties in streamflow forecasting and consequent streamflow predictability across space and time scales. The dissertation employs a series of studies using both data-driven and process-based methods to investigate the performance of streamflow forecasting methods. The forecasting community has found it difficult to settle on a commonly accepted simple model in the context of model complexity and functional utility. This dissertation also proposes a framework to improve streamflow forecasts by integrating observations from streamflow monitoring networks with simple hydrological insights. The results herein have broader implications for the hydrologic forecasting community, flood mitigation efforts, and water resources planning and management.
Book Synopsis Encyclopedia of Environmental Change by : John A Matthews
Download or read book Encyclopedia of Environmental Change written by John A Matthews and published by SAGE. This book was released on 2013-12-13 with total page 1490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accessibly written by a team of international authors, the Encyclopedia of Environmental Change provides a gateway to the complex facts, concepts, techniques, methodology and philosophy of environmental change. This three-volume set illustrates and examines topics within this dynamic and rapidly changing interdisciplinary field. The encyclopedia includes all of the following aspects of environmental change: Diverse evidence of environmental change, including climate change and changes on land and in the oceans Underlying natural and anthropogenic causes and mechanisms Wide-ranging local, regional and global impacts from the polar regions to the tropics Responses of geo-ecosystems and human-environmental systems in the face of past, present and future environmental change Approaches, methodologies and techniques used for reconstructing, dating, monitoring, modelling, projecting and predicting change Social, economic and political dimensions of environmental issues, environmental conservation and management and environmental policy Over 4,000 entries explore the following key themes and more: Conservation Demographic change Environmental management Environmental policy Environmental security Food security Glaciation Green Revolution Human impact on environment Industrialization Landuse change Military impacts on environment Mining and mining impacts Nuclear energy Pollution Renewable resources Solar energy Sustainability Tourism Trade Water resources Water security Wildlife conservation The comprehensive coverage of terminology includes layers of entries ranging from one-line definitions to short essays, making this an invaluable companion for any student of physical geography, environmental geography or environmental sciences.
Author :Chavalit Chaleeraktrakoon Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 : Total Pages :472 pages Book Rating :4.:/5 (427 download)
Book Synopsis Stochastic Modelling and Simulation of Streamflow Processes [microform] by : Chavalit Chaleeraktrakoon
Download or read book Stochastic Modelling and Simulation of Streamflow Processes [microform] written by Chavalit Chaleeraktrakoon and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1995 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stochastic Approaches for Forecasting Monthly Streamflows by : Ding-Chin Wang
Download or read book Stochastic Approaches for Forecasting Monthly Streamflows written by Ding-Chin Wang and published by . This book was released on 1990 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seasonal to Interannual Streamflow Forecasts Using Nonlinear Time Series Methods and Climate Information by : Daniel Peder Ames
Download or read book Seasonal to Interannual Streamflow Forecasts Using Nonlinear Time Series Methods and Climate Information written by Daniel Peder Ames and published by . This book was released on 1998 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Research on Hydroinformatics: Technologies, Theories and Applications by : Gasmelseid, Tagelsir Mohamed
Download or read book Handbook of Research on Hydroinformatics: Technologies, Theories and Applications written by Gasmelseid, Tagelsir Mohamed and published by IGI Global. This book was released on 2010-07-31 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book provides relevant theoretical frameworks and empirical research findings in the area hydroinformatics to assist professionals to improve their understanding of the development and use of decision support tools to support decision making and integrated water management at different organizational levels and domains"--Provided by publisher.
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances In Data-based Approaches For Hydrologic Modeling And Forecasting by : Bellie Sivakumar
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 2010-08-10 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.
Book Synopsis Spatial Pattern Dynamics in Aquatic Ecosystem Modelling by : Hong Li
Download or read book Spatial Pattern Dynamics in Aquatic Ecosystem Modelling written by Hong Li and published by CRC Press. This book was released on 2009-12-22 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focuses on the simulation of spatial patterns in aquatic ecosystems. Various modelling approaches are explored to reveal processes and factors contributing to the spatial pattern development at various scales. Spatial pattern dynamics of aquatic populations in aquatic ecosystems are represented by the combination of models, knowledge and data.
Book Synopsis Chaos in Hydrology by : Bellie Sivakumar
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.
Book Synopsis Stochastic Modeling in Hydrogeology by : J. Jaime Gómez-Hernández
Download or read book Stochastic Modeling in Hydrogeology written by J. Jaime Gómez-Hernández and published by Frontiers Media SA. This book was released on 2021-07-14 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dr. Andres Alcolea is employed by Geo-Energie Suisse AG and is the funder and CEO of HydroGeoModels. All other Topic Editors declare no competing interests with regards to the Research Topic subject
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