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Author : William J. Charley
Publisher : Unknown
Page : 14 pages
File Size : 40,8 Mb
Release : 1988
Category : Flood forecasting
ISBN : UCR:31210024756866
Author : William J. Charley
Publisher : Unknown
Page : 0 pages
File Size : 42,5 Mb
Release : 1988
Category : Flood forecasting
ISBN : OCLC:22602259
Author : V. K. Collinge,Celia Kirby
Publisher : Unknown
Page : 328 pages
File Size : 43,6 Mb
Release : 1987
Category : Nature
ISBN : UOM:39015012756204
This unique, one-volume survey brings together the most up-to-date information available in this fast-moving field, presenting the current technologies and capabilities of weather radar for rainfall measurement and weather forecasting--emphasizing actual operational experience in the United Kingdom. Describes the developing weather radar networks in the UK and in Western Europe. Discussed at length are the hydrological aspects of flood forecasting. The authors then extend this study to specific problems of real-time flood forecasting, including the use of weather radar data. The presentation concludes with a section which explores the new directions in which weather radar technology is now moving and the ways in which the resulting data may be more effectively used for flood forecasting and other water management practices.
Author : Anonim
Publisher : Unknown
Page : 804 pages
File Size : 53,6 Mb
Release : 1991
Category : Hydrology
ISBN : UOM:39015022360526
Author : National Research Council,Division on Earth and Life Studies,Board on Atmospheric Sciences and Climate,Committee to Assess NEXRAD Flash Flood Forecasting Capabilities at Sulphur Mountain, California
Publisher : National Academies Press
Page : 206 pages
File Size : 41,8 Mb
Release : 2005-01-28
Category : Science
ISBN : 9780309093163
The nation's network of more than 130 Next Generation Radars (NEXRADs) is used to detect wind and precipitation to help National Weather Service forecasters monitor and predict flash floods and other storms. This book assesses the performance of the Sulphur Mountain NEXRAD in Southern California, which has been scrutinized for its ability to detect precipitation in the atmosphere below 6000 feet. The book finds that the Sulphur Mountain NEXRAD provides crucial coverage of the lower atmosphere and is appropriately situated to assist the Los Angeles-Oxnard National Weather Service Forecast Office in successfully forecasting and warning of flash floods. The book concludes that, in general, NEXRAD technology is effective in mountainous terrain but can be improved.
Author : Anonim
Publisher : Unknown
Page : 896 pages
File Size : 48,5 Mb
Release : 1989
Category : Aeronautics
ISBN : UOM:39015021754315
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : Eric W. Harmsen,Megh R. Goyal
Publisher : CRC Press
Page : 388 pages
File Size : 45,7 Mb
Release : 2017-12-22
Category : Science
ISBN : 9781315341705
About 7,000 people lose their lives and nearly 100 million people are adversely affected by floods each year worldwide. Flooding occurs in almost every part of the world and is the result of extreme rainfall. Severe flooding also costs billions of dollars each year in damage and economic losses. This new volume focuses on two detailed studies that employ physically based hydrologic models to predict flooding in the particularly challenging environment of small watersheds with mountainous terrain and high intensity/high variability rainfall.
Author : Yang Hong,Jonathan J. Gourley
Publisher : CRC Press
Page : 176 pages
File Size : 45,7 Mb
Release : 2018-09-03
Category : Science
ISBN : 9781466514621
Radar Hydrology: Principles, Models, and Applications provides graduate students, operational forecasters, and researchers with a theoretical framework and practical knowledge of radar precipitation estimation. The only text on the market solely devoted to radar hydrology, this comprehensive reference: Begins with a brief introduction to radar Focuses on the processing of radar data to arrive at accurate estimates of rainfall Addresses advanced radar sensing principles and applications Covers radar technologies for observing each component of the hydrologic cycle Examines state-of-the-art hydrologic models and their inputs, parameters, state variables, calibration procedures, and outputs Discusses contemporary approaches in data assimilation Concludes with methods, case studies, and prediction system design Includes downloadable MATLAB® content Flooding is the #1 weather-related natural disaster worldwide. Radar Hydrology: Principles, Models, and Applications aids in understanding the physical systems and detection tools, as well as designing prediction systems.
Author : Thorsten Wagener,Howard S Wheater,Hoshin V Gupta
Publisher : World Scientific
Page : 332 pages
File Size : 44,9 Mb
Release : 2004-09-09
Category : Technology & Engineering
ISBN : 9781783260669
This important monograph is based on the results of a study on the identification of conceptual lumped rainfall-runoff models for gauged and ungauged catchments. The task of model identification remains difficult despite decades of research. A detailed problem analysis and an extensive review form the basis for the development of a Matlab® modelling toolkit consisting of two components: a Rainfall-Runoff Modelling Toolbox (RRMT) and a Monte Carlo Analysis Toolbox (MCAT). These are subsequently applied to study the tasks of model identification and evaluation. A novel dynamic identifiability approach has been developed for the gauged catchment case. The theory underlying the application of rainfall-runoff models for predictions in ungauged catchments is studied, problems are highlighted and promising ways to move forward are investigated. Modelling frameworks for both gauged and ungauged cases are developed. This book presents the first extensive treatment of rainfall-runoff model identification in gauged and ungauged catchments. Contents:Rainfall-Runoff Modelling — A ReviewA Toolkit for Rainfall-Runoff ModellingModelling Gauged Catchments — Local ProceduresModelling Ungauged Catchments — Regional ProceduresDiscussion, Conclusions and Recommendations for Future Research Readership: Graduate students, academics, researchers, practitioners and consultants in hydrology, civil engineering and environmental engineering. Key Features:The only monograph to describe in detail the application of rainfall-runoff models to gauged and ungauged catchmentsThe only text to focus on the most popular approach to rainfall-runoff modellingAll the Matlab® tools developed and used for the presented research can be downloaded free of charge for non-commercial applications (teaching and research)Keywords:Hydrology;Rainfall-Runoff Modelling;Parameter Estimation;Predictions in Ungauged Basins;Regionalisation;Uncertainty Analysis;Information Content;Multi-Criteria Analysis;Monte Carlo
Author : Silas C. Michaelides
Publisher : Springer Science & Business Media
Page : 552 pages
File Size : 55,6 Mb
Release : 2008-02-27
Category : Science
ISBN : 9783540776550
This volume is the outcome of contributions from 51 scientists who were invited to expose their latest findings on precipitation research and in particular, on the measurement, estimation and prediction of precipitation. The reader is presented with a blend of theoretical, mathematical and technical treatise of precipitation science but also with authentic applications, ranging from local field experiments and country-scale campaigns to multinational space endeavors.
Author : Gbotemi Abraham Adediran
Publisher : Universal-Publishers
Page : 112 pages
File Size : 46,6 Mb
Release : 2015-07-01
Category : Electronic
ISBN : 9781612334356
The efficiency of a probabilistic hydrological forecasting system with weather radar and the Probability distributed hydrological model (PDM) was evaluated at the Brue catchment; south-western England. The ability of the radar to measure gauged precipitation in 2007 (regarded as the ground truth) was evaluated using Normalized Bias (NB) and Normalized Error (NE) statistics as the objective function of evaluation. The radar overestimated precipitation measurements by average gauges with NB value of 0.41 and a considerably low NE of 0.68. Furthermore, the effectiveness of a Deterministic nowcasting system (DNS) to forecast radar measured precipitation at 132 forecast time series of 6hrs forecast lead time was assessed. The DNS overestimated the radar measured precipitation with a NB value of 87% and recorded an accumulated NE of 146%. Moreover, the efficiencies of 10 ensemble precipitation forecats generated from a Stochastic nowcasting system (SNS) over the singular deterministic forecasts from the DNS was evaluated at 3 major hydrological events. Some of the ensembles significantly performed better than the deterministic forecast and brilliantly captured the radar measured precipitation at most of the forecast time series. Furthermore, the efficiencies of these sources of precipitation measurement to simulate flows with the PDM at the Brue catchment were also assessed by integrating the radar-based forecasts with measurements from average gauges. The PDM performed satisfactorily well in simulating the flows of 17th January 2007 with an average Nash–Sutcliffe Efficiency Index (NSE) of 0.65 and the model was judged insensitive to the significantly high precipitation inputs for the hydrological event of 27th of May 2007. However, the PDM performed poorly in simulating flows for the historical storms of 20th of July 2007; with the model under estimating flows with bias value of over 250 cumecs for an event popular for its devastating flooding in the Southwest of England. The model inadequacies was however associated to poor radar precipitation measurements and forecasts on which flow simulation was based. This work therefore emphasis the need for developments in hydrological modeling as well as advancement in weather radar technology to effectively correct radar errors due to radar calibration, signal attenuation, clutter and anomalous propagation, vertical variation of reflectivity, range effects, Z-R relationships, variations of drop size distributions, vertical air motions, beam overshooting the shallow precipitation and sampling issues, that has been identified to affect radar measurements.
Author : Qiuhong Tang,Youcun Qi,Zhihui Wang,Yun Pan
Publisher : MDPI
Page : 260 pages
File Size : 50,7 Mb
Release : 2020-06-17
Category : Science
ISBN : 9783039288076
This book provides a practical introduction to remote sensing applications for detecting changes in the terrestrial water cycle and understanding the causes and consequences of these changes. Covering a wide range of innovative remote sensing approaches for hydrological study, this book contributes significantly to the knowledge base of hydrology in the Anthropocene, i.e., global change hydrology. It is an excellent reference for students and professionals in the fields of hydrology, climate change, and geography.
Author : Vernon R. Bonner
Publisher : Unknown
Page : 26 pages
File Size : 46,9 Mb
Release : 1996
Category : Bridges
ISBN : UCR:31210024979765
Author : Earl E. Eiker
Publisher : Unknown
Page : 16 pages
File Size : 54,8 Mb
Release : 1996
Category : Environmental risk assessment
ISBN : UCR:31210024979781
Author : D. Michael Gee,Robert C. MacArthur
Publisher : Unknown
Page : 18 pages
File Size : 53,5 Mb
Release : 1996
Category : Erosion
ISBN : UCR:31210024979773
