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Author : Z. Govindarajulu
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.3/5 (243 download)
Download or read book Statistical Models for Precipitation written by Z. Govindarajulu and published by . This book was released on 1976 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Benestad Rasmus E
Publisher : World Scientific Publishing Company
ISBN 13 : 9813107294
Total Pages : 228 pages
Book Rating : 4.8/5 (131 download)
Download or read book Empirical-statistical Downscaling written by Benestad Rasmus E and published by World Scientific Publishing Company. This book was released on 2008-09-23 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Empirical-statistical downscaling (ESD) is a method for estimating how local climatic variables are affected by large-scale climatic conditions. ESD has been applied to local climate/weather studies for years, but there are few — if any — textbooks on the subject. It is also anticipated that ESD will become more important and commonplace in the future, as anthropogenic global warming proceeds. Thus, a textbook on ESD will be important for next-generation climate scientists.
Author : Stéphane Vannitsem
Publisher : Elsevier
ISBN 13 : 012812248X
Total Pages : 364 pages
Book Rating : 4.1/5 (281 download)
Download or read book Statistical Postprocessing of Ensemble Forecasts written by Stéphane Vannitsem and published by Elsevier. This book was released on 2018-05-17 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Statistical Postprocessing of Ensemble Forecasts brings together chapters contributed by international subject-matter experts describing the current state of the art in the statistical postprocessing of ensemble forecasts. The book illustrates the use of these methods in several important applications including weather, hydrological and climate forecasts, and renewable energy forecasting. After an introductory section on ensemble forecasts and prediction systems, the second section of the book is devoted to exposition of the methods available for statistical postprocessing of ensemble forecasts: univariate and multivariate ensemble postprocessing are first reviewed by Wilks (Chapters 3), then Schefzik and Möller (Chapter 4), and the more specialized perspective necessary for postprocessing forecasts for extremes is presented by Friederichs, Wahl, and Buschow (Chapter 5). The second section concludes with a discussion of forecast verification methods devised specifically for evaluation of ensemble forecasts (Chapter 6 by Thorarinsdottir and Schuhen). The third section of this book is devoted to applications of ensemble postprocessing. Practical aspects of ensemble postprocessing are first detailed in Chapter 7 (Hamill), including an extended and illustrative case study. Chapters 8 (Hemri), 9 (Pinson and Messner), and 10 (Van Schaeybroeck and Vannitsem) discuss ensemble postprocessing specifically for hydrological applications, postprocessing in support of renewable energy applications, and postprocessing of long-range forecasts from months to decades. Finally, Chapter 11 (Messner) provides a guide to the ensemble-postprocessing software available in the R programming language, which should greatly help readers implement many of the ideas presented in this book. Edited by three experts with strong and complementary expertise in statistical postprocessing of ensemble forecasts, this book assesses the new and rapidly developing field of ensemble forecast postprocessing as an extension of the use of statistical corrections to traditional deterministic forecasts. Statistical Postprocessing of Ensemble Forecasts is an essential resource for researchers, operational practitioners, and students in weather, seasonal, and climate forecasting, as well as users of such forecasts in fields involving renewable energy, conventional energy, hydrology, environmental engineering, and agriculture. Consolidates, for the first time, the methodologies and applications of ensemble forecasts in one succinct place Provides real-world examples of methods used to formulate forecasts Presents the tools needed to make the best use of multiple model forecasts in a timely and efficient manner
Author : Manfred Mudelsee
Publisher : Cambridge University Press
ISBN 13 : 1107033187
Total Pages : 213 pages
Book Rating : 4.1/5 (7 download)
Download or read book Statistical Analysis of Climate Extremes written by Manfred Mudelsee and published by Cambridge University Press. This book was released on 2020 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: The risks posed by climate change and its effect on climate extremes are an increasingly pressing societal problem. This book provides an accessible overview of the statistical analysis methods which can be used to investigate climate extremes and analyse potential risk. The statistical analysis methods are illustrated with case studies on extremes in the three major climate variables: temperature, precipitation, and wind speed. The book also provides datasets and access to appropriate analysis software, allowing the reader to replicate the case study calculations. Providing the necessary tools to analyse climate risk, this book is invaluable for students and researchers working in the climate sciences, as well as risk analysts interested in climate extremes.
Author : Douglas Maraun
Publisher : Cambridge University Press
ISBN 13 : 1107066050
Total Pages : 365 pages
Book Rating : 4.1/5 (7 download)
Download or read book Statistical Downscaling and Bias Correction for Climate Research written by Douglas Maraun and published by Cambridge University Press. This book was released on 2018-01-18 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and practical guide, providing technical background and user context for researchers, graduate students, practitioners and decision makers. This book presents the main approaches and describes their underlying assumptions, skill and limitations. Guidelines for the application of downscaling and the use of downscaled information in practice complete the volume.
Author : Myeong-Ho Yeo
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (911 download)
Download or read book Statistical Modeling of Precipitation Processes for Gaged and Ungaged Sites in the Context of Climate Change written by Myeong-Ho Yeo and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Understanding the variations of precipitation process in time and in space is essential for the planning, design, and management of various water resources systems. Recently, climate change impacts on precipitation have been recognized as one of the most critical issues for water management in many regions around the world. The present study was therefore carried out in order to develop better methods for improving the accuracy of rainfall estimation at a gauged or ungauged local site in the context of a changing climate. This study can be divided into five main parts.The first part of the present research deals with the development of a Statistical Downscaling model for Rainfall (SDRain) for describing accurately the linkage between large-scale climate predictors and observed daily rainfall characteristics at a local gauged site using a logistic regression model and a nonlinear model. The feasibility of the suggested SD was tested using the NCEP re-analysis data and the observed daily precipitation data available from a group of 26 raingages located in South Korea and in Canada. It was found that it is feasible to link large-scale climate predictors given by General Circulation Model (GCM) simulation outputs with daily precipitation characteristics at these stations.The second part proposed a statistical downscaling approach to describe the linkage between large-scale climate variables to Annual Maximum Precipitations (AMPs) for daily and sub-daily scales at a local site. The feasibility of the proposed downscaling method has been tested based on climate simulation outputs from CGCM3 and HadCM3 and using available AMPs for durations ranging from 5 minutes to 1 day at 9 raingage stations in Quebec (Canada). Results of the application has indicated that it is feasible to link large-scale climate predictors given by GCM simulation outputs with daily and sub-daily AMPs at a local site.The third part was concerned with the development of a new statistical regionalization method using the Ordinal Factor Analysis (OFA) and the daily precipitation occurrence data. The feasibility and accuracy of the proposed method has been assessed using the daily precipitation data available from a network of 63 raingage stations in South Korea. Results of the numerical application have indicated that the suggested method was more accurate and more robust than the Principal Component Analysis (PCA). The identified homogeneous precipitation regions were found physically consistent to the particular climatic features of South Korea.The fourth part proposed a stochastic estimation procedure for estimating the missing daily precipitation series at an ungauged site. The feasibility and accuracy of the proposed estimation approach have been assessed using the daily precipitation data available at 63 raingage stations in South Korea. Results have indicated that the proposed procedure could provide an accurate estimate of the daily precipitation series for ungauged locations.Finally, a statistical downscaling procedure was proposed for the downscaling of the daily precipitation process at an ungauged location. More specifically, the suggested approach consists of two components: a spatial-link function and a spatial downscaling. The feasibility and accuracy of the proposed SD procedure was assessed based on the NCEP re-analysis data and the observed and reconstructed daily precipitation series at the same raingage station. Results have indicated that the proposed procedure could provide comparable results as those given by the downscaling using real observed precipitation data at the local site." --
Author : Paul Tattelman
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Survey of Techniques for Determining Short-duration Precipitation Rate Statistics written by Paul Tattelman and published by . This book was released on 1982 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for information on short-duration precipitation rates uncovered several sources of data, primarily for North America and Europe. However, the data available, especially for 1-min rainfall rates, are insufficient to permit direct calculation of precipitation-rate frequency distributions for all but a few locations in the world. Since these statistics are needed for a variety of applications, researchers developed models that can be used to estimate 1-min rainfall-rate distributions. Some require climatic data, while others divide the globe into regions, each of which is associated with a representative distribution. A survey of the available data and a comparison of models for determining short-duration precipitation rate distributions is presented, with particular emphasis on 1-min rates. (Author).
Author : Hossein Tabari
Publisher : MDPI
ISBN 13 : 3039216643
Total Pages : 294 pages
Book Rating : 4.0/5 (392 download)
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.
Author : Dr. K. N. Krishnamurthy
Publisher : Lulu.com
ISBN 13 : 1387327305
Total Pages : 298 pages
Book Rating : 4.3/5 (873 download)
Download or read book STATISTICAL MODELS FOR CLIMATIC CHARACTERIZATION OF SOME SELECTED ZONES OF KARNATAKA written by Dr. K. N. Krishnamurthy and published by Lulu.com. This book was released on 2017-11-28 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Climate is a measure of average pattern of variation in temperature, humidity, atmospheric pressure, wind speed, precipitation, atmospheric particle count and other meteorological variables in a given region over long periods of time. Climate is different from weather, in that weather only describes the short-term conditions of these variables in a given region. The Inter-governmental Panel on Climate Change (IPCC, 2007) defines climate change as, changes in the mean and/or the variability of its properties that persists for an extended period, typically decades or longer. A region's climate is generated by the climate system, which has five components: atmosphere, hydrosphere, cryosphere, lithosphere, and biosphere.
Author : Patrick Willems
Publisher : IWA Publishing
ISBN 13 : 1780401256
Total Pages : 239 pages
Book Rating : 4.7/5 (84 download)
Download or read book Impacts of Climate Change on Rainfall Extremes and Urban Drainage Systems written by Patrick Willems and published by IWA Publishing. This book was released on 2012-09-14 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Impacts of Climate Change on Rainfall Extremes and Urban Drainage Systems provides a state-of-the-art overview of existing methodologies and relevant results related to the assessment of the climate change impacts on urban rainfall extremes as well as on urban hydrology and hydraulics. This overview focuses mainly on several difficulties and limitations regarding the current methods and discusses various issues and challenges facing the research community in dealing with the climate change impact assessment and adaptation for urban drainage infrastructure design and management. Authors: Patrick Willems, University of Leuven, Hydraulics division; Jonas Olsson, Swedish Meteorological and Hydrological Institute; Karsten Arnbjerg-Nielsen, Technical University of Denmark, Department of Environmental Engineering; Simon Beecham, University of South Australia, School of Natural and Built Environments; Assela Pathirana, UNESCO-IHE Institute for Water Education; Ida Bulow Gregersen, Technical University of Denmark, Department of Environmental Engineering; Henrik Madsen, DHI Water & Environment, Water Resources Department; Van-Thanh-Van Nguyen, McGill University, Department of Civil Engineering and Applied Mechanics
Author : Robin T. Clarke
Publisher :
ISBN 13 :
Total Pages : 434 pages
Book Rating : 4.3/5 (91 download)
Download or read book Statistical Modelling in Hydrology written by Robin T. Clarke and published by . This book was released on 1994-11-29 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emphasizes the interactive analysis of hydrological data made possible through the widespread availability of desktop computers. Demonstrates new techniques for assessing the adequacy and performance of hydrological models. Offers an in-depth discussion of examples drawn from numerous applications such as the analysis of river flow extremes, regionalization of flow characteristics, infiltration of water into soil profiles, overland flow studies and rainfall-runoff modelling.
Author : Helmut Pruscha
Publisher : Springer Science & Business Media
ISBN 13 : 3642320848
Total Pages : 179 pages
Book Rating : 4.6/5 (423 download)
Download or read book Statistical Analysis of Climate Series written by Helmut Pruscha and published by Springer Science & Business Media. This book was released on 2012-10-30 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents the application of statistical methods to climatological data on temperature and precipitation. It provides specific techniques for treating series of yearly, monthly and daily records. The results’ potential relevance in the climate context is discussed. The methodical tools are taken from time series analysis, from periodogram and wavelet analysis, from correlation and principal component analysis, and from categorical data and event-time analysis. The applied models are - among others - the ARIMA and GARCH model, and inhomogeneous Poisson processes. Further, we deal with a number of special statistical topics, e.g. the problem of trend-, season- and autocorrelation-adjustment, and with simultaneous statistical inference. Programs in R and data sets on climate series, provided at the author’s homepage, enable readers (statisticians, meteorologists, other natural scientists) to perform their own exercises and discover their own applications.
Author : Daniel S. Wilks
Publisher : Academic Press
ISBN 13 : 0123850223
Total Pages : 698 pages
Book Rating : 4.1/5 (238 download)
Download or read book Statistical Methods in the Atmospheric Sciences written by Daniel S. Wilks and published by Academic Press. This book was released on 2011-05-20 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised and expanded text explains the latest statistical methods that are being used to describe, analyze, test, and forecast atmospheric data. It features numerous worked examples, illustrations, equations, and exercises with separate solutions. The book will help advanced students and professionals understand and communicate what their data sets have to say, and make sense of the scientific literature in meteorology, climatology, and related disciplines.
Author : Suhas Pralhad Wani
Publisher : CABI
ISBN 13 : 1845933893
Total Pages : 326 pages
Book Rating : 4.8/5 (459 download)
Download or read book Rainfed Agriculture written by Suhas Pralhad Wani and published by CABI. This book was released on 2009-01-01 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, which contains 14 chapters, covers all aspects of rainfed agriculture, starting with its potential, current status, rainwater harvesting and supplementary irrigation, to policies, approaches, institutions for upscaling, and impacts of integrated water management programmes in rainfed areas.
Author : Hans v. Storch
Publisher : Springer Science & Business Media
ISBN 13 : 3662031671
Total Pages : 336 pages
Book Rating : 4.6/5 (62 download)
Download or read book Analysis of Climate Variability written by Hans v. Storch and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: EUROPEAN SCHOOl OF CLiMATOlOGY AND NATURAL HAZARDS The training of scientific and technical personnel and the development of highly qualified scientists are, and have always been, among the important concerns of the European Commission. Advanced training is an important requirement for the implementation of a common EU policy in science and technology. The European School of Climatology and Natural Hazards was started as apart of the training and education activities of the European Programme on Climatology and Natural Hazards (EPOCH), and is continued under the subsequent research programme (ENVIRONMENT 1990-1994). The school consists of annual courses on specialised subjects within re search in climatology and natural hazards, and is open to graduating, grad uate and post graduate students in these fields. Each of the courses is organized in cooperation with a European Institu tion involved in the current research programme, and is aimed at giving to the students formal lectures and participation in informal discussions with leading researchers. The present volume is based on the lectures given at the course held on the island of Elba from the 30th October to the 6th of November 1993 on Statistical Analysis of Climate Variability. It features selected and extended presentations, and represents an important contribution to advanced studies in climate statistical analysis, supplementing more traditional texts. I trust that all those involved in research related to climate change and climate variability will appreciate this work and will benefit from the com prehensive and state-of-the-art information it provides.
Author : G. Hirata
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (263 download)
Download or read book An Experiment in the Production of Probability of Precipitation Forecasts for Hawaii Using a Statistical Model written by G. Hirata and published by . This book was released on 1976 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard J. D'Accardi
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (14 download)
Download or read book Time-Series Modeling of Rainfall Density Information written by Richard J. D'Accardi and published by . This book was released on 1978 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the literature there are basically two approaches to the prediction of climatological occurrence (rainfall) statistics: (a) One can use large numbers of observations of climatological phenomena to compile statistics on the probability of occurrence. (b) One can use computational models and available climatological data (past history) to calculate occurrence statistics. Recent modeling attempts start with very small point rainfall distribution functions which are transformed into specific attenuation data. The point rainfall rates are based upon a large history of data which does not indicate the spatial variation of rain. There are, however, indications that outage time on line-of-sight communication links can be estimated from distributions of point rainfall rates. Due to the random nature of rainfall, and due to the time dependence of such information, a logical approach to forecasting this phenomenon and interpreting the results with respect to systems performance seems to lie within the realm of non-stationary time-series modeling. This report presents an attempt to develop statistical models which can be used to forecast in near-real-time and to characterize the underlying stochastic processes of short-term rainfall density information. It should be mentioned that the analysis and modeling are directed towards the accurate characterization of precipitation density and not the probability of precipitation occurrence. Due to the wavelengths involved in Line-of-Sight Communication links, i.e., 5-30 GHz, the size of raindrops have a definite dispersive and absorptive effect on propagated electromagnetic energy. The importance, therefore, of this work is self-evident.
