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Stochastic Hydrology Of Daily Streamflows
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Book Synopsis Stochastic Hydrology of Daily Streamflows by : G. Quesada Tabios Iii
Download or read book Stochastic Hydrology of Daily Streamflows written by G. Quesada Tabios Iii and published by . This book was released on 1979 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Daily streamflow simulation offers hydrologic planners the opportunity to study proposed and existing designs and operation schemes of water resource systems based on long sequences of synthetic streamflows. Stochastic hydrology deals with the development of stochastic models which simulate observed hydrologic processes and generate synthetic realizations of the processes. The synthetic sequences, on the other hand, are such that they must preserve important statistical characteristics of the observed process that are of relevance to water resource systems design and oprations. The major objective of this study is to test the applicability of some daily stochastic hydrology models to a typical Central Luzon Stream - the Talavera River in Nueva Ecija, Philippines. The stochastic models are a family of Gaussian model called autoregressive (AR) and mixed autoregressive-moving-average (ARMA) models, and a grouup of shot noise models. As an initial requirement for building the Gaussian models, the historical data are standardized and normalized in order that the residual flow variates are amenable for stramflow synthesis. The successive use of logarithmic and Wilson-Hilferty transformations are found suitable in rendering the flow residuals approximately normally distributed. The use of the parametric method of cyclic standardization is appropriate in removing the periodicities in the means and variances. Results from the time series analysis performed to the flow residuals virtually prescribed the adoption of a seasonal lag-one autoregressive model for generation of synthetic data. In using the shot noise models, seasonality is introduced by taking the harmonic representations of the raw daily statistics means, standard deviations, skewness coefficients and lag-one serial correlation coefficients. At the model-parameter estimation stage, only the simple shot noise model and the shot noise model with an added baseflow possess estimates consistent with parameter constraints, in contrast to the other candidate shot noise models. The three models fitted to the historical data yielded satisfactory reproduction of the daily means, standard deviations and serial correlation coefficients. Failure to reproduce the high skewness in the historical data is one of the model limitations noted. In general, this parper has demonstrated the applicability of stochastic hydrology models to the selected river. The seasonal AR(1) model, the simple shot noise model, and the shot noise model with baseflow are alternative models for daily stramflow synthesis, with unique advantages in each. Faithfulness in reproducing daily and monthly statistics differ among models; however, on an overall basis, all models show promise as daily streamflow synthesis models.
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 Simulation of Daily Streamflow by : Leo R. Beard
Download or read book Simulation of Daily Streamflow written by Leo R. Beard and published by . This book was released on 1968 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stochastic Model of Daily River Flow Sequences by : Rafael G. Quimpo
Download or read book Stochastic Model of Daily River Flow Sequences written by Rafael G. Quimpo and published by . This book was released on 1967 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stochastic Daily Precipitation Modeling and Daily Streamflow Transfer Processes by : Tiao J. Chang
Download or read book Stochastic Daily Precipitation Modeling and Daily Streamflow Transfer Processes written by Tiao J. Chang and published by . This book was released on 1982 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stochastic Modeling of Hydrologic, Intermittent Daily Processes by : Jerson Kelman
Download or read book Stochastic Modeling of Hydrologic, Intermittent Daily Processes written by Jerson Kelman and published by . This book was released on 1977 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stochastic Hydrology and its Use in Water Resources Systems Simulation and Optimization by : J.B. Marco
Download or read book Stochastic Hydrology and its Use in Water Resources Systems Simulation and Optimization written by J.B. Marco and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stochastic hydrology is an essential base of water resources systems analysis, due to the inherent randomness of the input, and consequently of the results. These results have to be incorporated in a decision-making process regarding the planning and management of water systems. It is through this application that stochastic hydrology finds its true meaning, otherwise it becomes merely an academic exercise. A set of well known specialists from both stochastic hydrology and water resources systems present a synthesis of the actual knowledge currently used in real-world planning and management. The book is intended for both practitioners and researchers who are willing to apply advanced approaches for incorporating hydrological randomness and uncertainty into the simulation and optimization of water resources systems. (abstract) Stochastic hydrology is a basic tool for water resources systems analysis, due to inherent randomness of the hydrologic cycle. This book contains actual techniques in use for water resources planning and management, incorporating randomness into the decision making process. Optimization and simulation, the classical systems-analysis technologies, are revisited under up-to-date statistical hydrology findings backed by real world applications.
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 Stochastic and Statistical Methods in Hydrology and Environmental Engineering by : Keith W. Hipel
Download or read book Stochastic and Statistical Methods in Hydrology and Environmental Engineering written by Keith W. Hipel and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: International experts from around the globe present a rich variety of intriguing developments in time series analysis in hydrology and environmental engineering. Climatic change is of great concern to everyone and significant contributions to this challenging research topic are put forward by internationally renowned authors. A range of interesting applications in hydrological forecasting are given for case studies in reservoir operation in North America, Asia and South America. Additionally, progress in entropy research is described and entropy concepts are applied to various water resource systems problems. Neural networks are employed for forecasting runoff and water demand. Moreover, graphical, nonparametric and parametric trend analyses methods are compared and applied to water quality time series. Other topics covered in this landmark volume include spatial analyses, spectral analyses and different methods for stream-flow modelling. Audience The book constitutes an invaluable resource for researchers, teachers, students and practitioners who wish to be at the forefront of time series analysis in the environmental sciences.
Book Synopsis Daily Streamflow Simulation by : Hydrologic Engineering Center (U.S.)
Download or read book Daily Streamflow Simulation written by Hydrologic Engineering Center (U.S.) and published by . This book was released on 1968 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in the Statistical Sciences: Stochastic Hydrology by : I.B. MacNeill
Download or read book Advances in the Statistical Sciences: Stochastic Hydrology written by I.B. MacNeill and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: On May 27-31, 1985, a series of symposia was held at The University of Western Ontario, London, Canada, to celebrate the 70th birthday of Pro fessor V. M. Joshi. These symposia were chosen to reflect Professor Joshi's research interests as well as areas of expertise in statistical science among faculty in the Departments of Statistical and Actuarial Sciences, Economics, Epidemiology and Biostatistics, and Philosophy. From these symposia, the six volumes which comprise the "Joshi Festschrift" have arisen. The 117 articles in this work reflect the broad interests and high quality of research of those who attended our conference. We would like to thank alI of the contributors for their superb cooperation in helping us to complete this project. Our deepest gratitude must go to the three people who have spent so much of their time in the past year typing these volumes: Jackie BeU, Lise Constant, and Sandy Tamowski. This work has been printed from "camera ready" copy produced by our Vax 785 computer and QMS Lasergraphix printers, using the text processing software TEX. At the initiation of this project, we were neophytes in the use of this system. Thank you, J ackie, Lise, and Sandy, for having the persistence and dedication needed to complete this undertaking.
Book Synopsis Stochastic Generation of Daily Streamflow Data Incorporating Land Use and by : Bagher Zahabiyoun
Download or read book Stochastic Generation of Daily Streamflow Data Incorporating Land Use and written by Bagher Zahabiyoun and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrologic Data Management by : Leo R. Beard
Download or read book Hydrologic Data Management written by Leo R. Beard and published by . This book was released on 1972 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Statistical Analysis and Stochastic Modelling of Hydrological Extremes by : Hossein Tabari
Download or read book Statistical Analysis and Stochastic Modelling of Hydrological Extremes written by Hossein Tabari and published by MDPI. This book was released on 2019-10-28 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrological extremes have become a major concern because of their devastating consequences and their increased risk as a result of climate change and the growing concentration of people and infrastructure in high-risk zones. The analysis of hydrological extremes is challenging due to their rarity and small sample size, and the interconnections between different types of extremes and becomes further complicated by the untrustworthy representation of meso-scale processes involved in extreme events by coarse spatial and temporal scale models as well as biased or missing observations due to technical difficulties during extreme conditions. The complexity of analyzing hydrological extremes calls for robust statistical methods for the treatment of such events. This Special Issue is motivated by the need to apply and develop innovative stochastic and statistical approaches to analyze hydrological extremes under current and future climate conditions. The papers of this Special Issue focus on six topics associated with hydrological extremes: Historical changes in hydrological extremes; Projected changes in hydrological extremes; Downscaling of hydrological extremes; Early warning and forecasting systems for drought and flood; Interconnections of hydrological extremes; Applicability of satellite data for hydrological studies.
Book Synopsis Group-based Estimation of Missing Hydrological Data by :
Download or read book Group-based Estimation of Missing Hydrological Data written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis STOCHASTIC METHODS IN HYDRAULICS AND HYDROLOGY OF STREAMFLOW. by : Chao-Lin Chiu
Download or read book STOCHASTIC METHODS IN HYDRAULICS AND HYDROLOGY OF STREAMFLOW. written by Chao-Lin Chiu and published by . This book was released on 1972 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Model Choice written by W. Robert James and published by . This book was released on 1981 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
