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Author :
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (2 download)
Download or read book LiDAR-derived Flood-inundation Maps for Real-time Flood-mapping Applications, Tar River Basin, North Carolina written by and published by . This book was released on 2007 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : DIANE Publishing
ISBN 13 : 9781422325773
Total Pages : 104 pages
Book Rating : 4.3/5 (257 download)
Download or read book LiDARderived floodinundation maps for realtime floodmapping applications, Tar River Basin, North Carolina written by and published by DIANE Publishing. This book was released on with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309185467
Total Pages : 137 pages
Book Rating : 4.3/5 (91 download)
Download or read book Mapping the Zone written by National Research Council and published by National Academies Press. This book was released on 2009-05-15 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: Federal Emergency Management Agency (FEMA) Flood Insurance Rate Maps portray the height and extent to which flooding is expected to occur, and they form the basis for setting flood insurance premiums and regulating development in the floodplain. As such, they are an important tool for individuals, businesses, communities, and government agencies to understand and deal with flood hazard and flood risk. Improving map accuracy is therefore not an academic question-better maps help everyone. Making and maintaining an accurate flood map is neither simple nor inexpensive. Even after an investment of more than $1 billion to take flood maps into the digital world, only 21 percent of the population has maps that meet or exceed national flood hazard data quality thresholds. Even when floodplains are mapped with high accuracy, land development and natural changes to the landscape or hydrologic systems create the need for continuous map maintenance and updates. Mapping the Zone examines the factors that affect flood map accuracy, assesses the benefits and costs of more accurate flood maps, and recommends ways to improve flood mapping, communication, and management of flood-related data.
Author : Johnny C. L. Chan
Publisher : World Scientific
ISBN 13 : 9814293482
Total Pages : 445 pages
Book Rating : 4.8/5 (142 download)
Download or read book Global Perspectives on Tropical Cyclones written by Johnny C. L. Chan and published by World Scientific. This book was released on 2010 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pt. I. Theory of tropical cyclones. ch. 1. Tropical cyclone structure and dynamics / Jeffrey D. Kepert. ch. 2. Tropical cyclone formation / Kevin J. Tory and William M. Frank. ch. 3. Air-sea interactions in tropical cyclones / Lynn K. Shay. ch. 4. Movement of tropical cyclones / Johnny C.L. Chan. ch. 5. The extratropical transition of tropical cyclones : structural characteristics, downstream impacts, and forecast challenges / Patrick A. Harr -- pt. II. Observations of tropical cyclones. ch. 6. Observing and analyzing the near-surface wind field in tropical cyclones / Mark D. Powell. ch. 7. Satellite observations of tropical cyclones / Christopher Velden and Jeffrey Hawkins. ch. 8. Aircraft observations of tropical cyclones / Sim D. Aberson [und weitere] -- pt. III. Climate variations of tropical cyclone activity. ch. 9. Tropical cyclones and climate change : a review / Thomas Knutson, Chris Landsea and Kerry Emanuel -- pt. IV. Forecasting of tropical cyclones. ch. 10. Track and structure forecasts of tropical cyclones / Julian Heming and Jim Goerss. ch. 11. The influence of natural climate variability on tropical cyclones, and seasonal forecasts of tropical cyclone activity / Suzana J. Camargo [und weitere] -- pt. V. Hydrological aspects of tropical cyclones. ch. 12. Storm surge modeling and applications in coastal areas / Shishir K. Dube [und weitere] -- pt. VI. Societal impacts of tropical cyclones. ch. 13. Disaster mitigation and societal impacts / David King, Jim Davidson and Linda Anderson-Berry
Author : Guy J-P. Schumann
Publisher : John Wiley & Sons
ISBN 13 : 1119217865
Total Pages : 266 pages
Book Rating : 4.1/5 (192 download)
Download or read book Global Flood Hazard written by Guy J-P. Schumann and published by John Wiley & Sons. This book was released on 2018-07-18 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Global Flood Hazard Subject Category Winner, PROSE Awards 2019, Earth Science Selected from more than 500 entries, demonstrating exceptional scholarship and making a significant contribution to the field of study. Flooding is a costly natural disaster in terms of damage to land, property and infrastructure. This volume describes the latest tools and technologies for modeling, mapping, and predicting large-scale flood risk. It also presents readers with a range of remote sensing data sets successfully used for predicting and mapping floods at different scales. These resources can enable policymakers, public planners, and developers to plan for, and respond to, flooding with greater accuracy and effectiveness. Describes the latest large-scale modeling approaches, including hydrological models, 2-D flood inundation models, and global flood forecasting models Showcases new tools and technologies such as Aqueduct, a new web-based tool used for global assessment and projection of future flood risk under climate change scenarios Features case studies describing best-practice uses of modeling techniques, tools, and technologies Global Flood Hazard is an indispensable resource for researchers, consultants, practitioners, and policy makers dealing with flood risk, flood disaster response, flood management, and flood mitigation.
Author : Joseph L. Jones
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (31 download)
Download or read book Near-real-time Simulation and Internet-based Delivery of Forecast-flood Inundation Maps Using Two-dimensional Hydraulic Modeling written by Joseph L. Jones and published by . This book was released on 2002 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xing Zheng
Publisher :
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.:/5 (14 download)
Download or read book Continental-scale High-resolution River Geometry and Real-time Inundation Mapping written by Xing Zheng and published by . This book was released on 2018 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flooding is the most threatening natural disaster worldwide considering the fatalities and property damage it causes. Recent flood disasters have raised concerns for accurate and responsive inundation forecast due to the rapid spread and astonishing destructive power of these events. Although recent development in large scale hydrologic simulation has enabled the real-time streamflow simulation operating on millions of river reaches, a framework for converting the forecast discharge into corresponding water surface elevation and inundation maps at a continental-scale is absent to better support local flood response. To accurately map flood inundation extent, a comprehensive description of the geometry of the channel is indispensable. As such, this dissertation presents an innovative approach for estimating river geometry and conducting inundation mapping at a continental-scale with a high spatial resolution. This approach is based on the concept of Height Above Nearest Drainage (HAND). Advanced hydrologic terrain analysis workflows have been designed to derive channel hydraulic properties, stage-discharge rating curves, and inundation extents using HAND. After the mechanism being presented, the implementation of this approach across the contiguous United States has been demonstrated using the 10-meter National Elevation Dataset. The integrity of the outputs has been validated through the comparison with best available references at multiple test sites. Considering the increasingly availability of high-resolution topographic data derived from lidar technology, the dissertation further presents how advanced geomorphic feature extraction tools are integrated into the proposed approach to overcome the challenges associated with the enrichment of terrain details. At last, this dissertation presents how banklines, an essential piece of river geometry characteristic as the boundary differentiates channel zone from floodplain, is detected with enhanced geomorphic feature extraction tools for improving large-scale hydrologic simulation and inundation mapping accuracy.
Author : John C. Brock
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.F/5 ( download)
Download or read book Coastal Applications of Airborne Lidar Remote Sensing written by John C. Brock and published by . This book was released on 2009 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alec Carruthers
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (126 download)
Download or read book The Assessment, Improvement, and Application of the GeoFlood Flood Inundation Mapping Framework written by Alec Carruthers and published by . This book was released on 2020 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: GeoFlood is a flood inundation mapping package that utilizes a geodesic, cost minimization algorithm to extract channel networks from high resolution terrain data along with National Water Model forecasts and a Height Above Nearest Drainage approach to create near real time flood inundation maps. Earlier work has applied the GeoFlood framework at the scale of a single Hydrologic Unit Code 12 watershed, but this work extended the application to seven counties across the state of Texas. One meter resolution lidar digital elevation models were generated for each county and segmented by watershed, resulting in approximately 400 gigabytes of input data. Two cost functions were found to improve the channel network extraction capabilities. The unique aspect of the first cost function was the inclusion of a cost threshold, which served to increase the penalty for pixels that had a cost above a given limit, thereby restricting the extracted channel to only the minimum cost path and preventing shortcuts. A second cost function, featuring a binary representation of the National Hydrography Data high resolution flowlines, was used to improve the performance of the threshold based cost function in the presence of artificial features or within low relief topography. Four variations of a channel bed slope calculation were tested, two that were end point based and two that utilized a linear regression. The end point based methods were shown to have synthetic rating curves with a smaller percent error and variance across the first three meters of stage height, as well as less area separation from the corresponding United States Geological Survey synthetic rating curves than the regression based methods. Identification of the reaches in which the slope calculation method was most significant was conducted by analyzing the variance and standard deviation across the four computed slopes. Artificial and canal reaches at a low level (1 - 2) and high stream order (5 - 7) were found to have the most variance across their computed slopes. A reach being hydro-flattened was determined to most likely not be the sole limiting factor when it comes to the accuracy of GeoFlood derived products. An approximately equal number of low and high error synthetic rating curves were produced from hydro-flattened reaches. While improvement to the model can always be made, the application of GeoFlood across seven counties in Texas, using high resolution terrain data, was a step forward in regard to showing that GeoFlood can be applied to larger study areas than just a single watershed, including the potential for statewide and or national implementation
Author :
Publisher : DIANE Publishing
ISBN 13 : 1428961038
Total Pages : 40 pages
Book Rating : 4.4/5 (289 download)
Download or read book Near-Real-Time Simulation and Internet-Based Delivery of Forecast-Flood Inundation Maps Using Two-Dimensional Hydraulic Modeling: A Pilot Study of the Snoqualmie River, Washington written by and published by DIANE Publishing. This book was released on with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Johnathan P. Kirk
Publisher :
ISBN 13 :
Total Pages : 89 pages
Book Rating : 4.:/5 (87 download)
Download or read book A Methodology for Developing GIS-based Probabilistic Riverine Flood Inundation Maps for Tona Wanda Creek in Western New York written by Johnathan P. Kirk and published by . This book was released on 2013 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: To address the uncertainties of river flood forecasting and to contribute a new visualization for flood mapping, this study outlines a methodology for creating dynamic probabilistic flood inundation maps for a floodplain which currently lacks dynamic flood maps of any kind. To create these maps, a hydrologic model is specially constructed using HEC-RAS for a segment of the Tonawanda Creek in western New York. The model is constructed using pre-existing, publically available data, including a LiDAR digital elevation model, real-time discharge observations from a USGS-maintained gauge on the creek, and other characteristics of the creek's bathymetry derived from previous flood insurance studies. The model is then used to create inundation rasters based on selected initial discharges. To determine probabilities, predicted peak discharges for the Tonawanda Creek are first collected from the Meteorological Model-based Ensemble Forecast System (MMEFS), which generates predictions of various hydrometeorological parameters in real-time, and are used to create a suite of inundation rasters, one for each individual peak discharge prediction. These inundation rasters are then overlaid and the probabilities are calculated by grid cell based on how many inundations overlap. The resulting map depicts the range of flooding extent probabilities based on the real-time forecast. An alternative probabilistic map is also devised to depict the depth of flooding given a flood event's probability. The 10th, 50th, and 90th percentiles are calculated for the forecast ensemble's peak discharge predictions. These percentiles correspond to benchmarks of flooding likelihood, such that the 10th percentile indicates a 90% likely flood event, 50th percentile a 50% event, and 90th percentile a 10% event. Once completed, the maps are qualitatively evaluated for potential applications in predicting flood events and mitigating flood-induced damages.
Author : U.S. Department of the Interior
Publisher : CreateSpace
ISBN 13 : 9781499623734
Total Pages : 76 pages
Book Rating : 4.6/5 (237 download)
Download or read book Observed and Forecast Flood-Inundation Mapping Application written by U.S. Department of the Interior and published by CreateSpace. This book was released on 2014-07-23 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Near-real-time and forecast flood-inundation mapping products resulted from a pilot study for an 11-mile reach of the White River in Indianapolis. The study was done by the U.S. Geological Survey (USGS), Indiana Silver Jackets hazard mitigation taskforce members, the National Weather Service (NWS), the Polis Center, and Indiana University, in coopera-tion with the City of Indianapolis, the Indianapolis Museum of Art, the Indiana Department of Homeland Security, and the Indiana Department of Natural Resources, Division of Water. The pilot project showed that it is technically feasible to create a flood-inundation map library by means of a two-dimensional hydraulic model, use a map from the library to quickly complete a moderately detailed local flood-loss estimate, and automatically run the hydraulic model during a flood event to provide the maps and flood-damage information through a Web graphical user interface.
Author : Joseph L. Jones
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (319 download)
Download or read book Updating Flood Maps Efficiently Using Existing Hydraulic Models, Very-high-accuracy Elevation Data, and a Geographic Information System written by Joseph L. Jones and published by . This book was released on 2001 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ahmad Fikri Bin Abdullah
Publisher : CRC Press
ISBN 13 : 1000106942
Total Pages : 215 pages
Book Rating : 4.0/5 (1 download)
Download or read book A Methodology for Processing Raw LIDAR Data to Support Urban Flood Modelling Framework written by Ahmad Fikri Bin Abdullah and published by CRC Press. This book was released on 2020-10-28 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: The consequences of recent floods and flash floods in many parts of the world have been devastating. One way to improving flood management practice is to invest in data collection and modelling activities which enable an understanding of the functioning of a system and the selection of optimal mitigation measures. A Digital Terrain Model (DTM) provides the most essential information for flood managers. Light Detection and Ranging (LiDAR) surveys which enable the capture of spot heights at a spacing of 0.5m to 5m with a horizontal accuracy of 0.3m and a vertical accuracy of 0.15m can be used to develop high accuracy DTM but needs careful processing before using it for any application.This book presents the augmentation of an existing Progressive Morphological filtering algorithm for processing raw LiDAR data to support a 1D/2D urban flood modelling framework. The key characteristics of this improved algorithm are: (1) the ability to deal with different kinds of buildings; (2) the ability to detect elevated road/rail lines and represent them in accordance to the reality; (3) the ability to deal with bridges and riverbanks; and (4) the ability to recover curbs and the use of appropriated roughness coefficient of Manning‘s value to represent close-to-earth vegetation (e.g. grass and small bush).
Author :
Publisher :
ISBN 13 : 9780660040493
Total Pages : 92 pages
Book Rating : 4.0/5 (44 download)
Download or read book A Real-time Flood Forecasting and Flood Inundation Mapping System for the Lake Champ̂lain-Richelieu River Watershed written by and published by . This book was released on 2015 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alberto Refice
Publisher : Springer
ISBN 13 : 3319639595
Total Pages : 213 pages
Book Rating : 4.3/5 (196 download)
Download or read book Flood Monitoring through Remote Sensing written by Alberto Refice and published by Springer. This book was released on 2017-11-21 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an overview of current state of the art about monitoring of inundation events through remote sensing. A complete approach to efficient and precise flood monitoring requires multiple fields of expertise, from image processing to hydrologic monitoring. This volume details the latest remote sensing techniques for flood monitoring and mapping, including use of optical data from geostationary sensors and LEO spacecraft, synthetic aperture radar (SAR) data analysis, and data fusion. Detailed case studies from a variety of subject experts illustrate these tools and techniques. Accurate monitoring of flood events is increasingly necessary to gain insight about both causes and remedies. Floods are one of the most destructive hazards to the human populations, they can occur practically everywhere on the Earth surface, and each year cause considerable harm and damage to infrastructures. The recent Flood directive in European Countries is contributing to a more quantitative approach to flood hazard and risk evaluation.
Author : Guy J-P. Schumann
Publisher : Elsevier
ISBN 13 : 0128194138
Total Pages : 388 pages
Book Rating : 4.1/5 (281 download)
Download or read book Earth Observation for Flood Applications written by Guy J-P. Schumann and published by Elsevier. This book was released on 2021-05-21 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earth Observation for Flood Applications: Progress and Perspectives describes the latest scientific advances in Earth Observation. With recent floods around the world becoming ever more devastating, there is a need for better science enabling more effective solutions at a fast pace. This book aims at stretching from the current flood mapping to diverse real data so as to estimate the flood risk and damage. Earth Observation for Flood Applications: Progress and Perspectives includes three parts containing each a separate but complementary topic area under floods. Each chapter unfolds various applications, case studies, and illustrative graphics. In terms of flood mapping and monitoring, the usage of multi-sensor satellite data, web-services information, microwave remote sensing methods are discussed in depth. So, this book is a valuable resource for scientists, researchers, and students in the area of earth observation. - Focuses in on one specific application field of Earth Observation - Brings the latest scientific advances and perspectives from experts around the world - Includes extensive figures, tables, and case studies to illustrate real-life applications
