Point Cloud Data Fusion For Enhancing 2d Urban Flood Modelling

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Point Cloud Data Fusion for Enhancing 2D Urban Flood Modelling

Vorawit Meesuk
Point Cloud Data Fusion for Enhancing 2D Urban Flood Modelling Book PDF

Author : Vorawit Meesuk
Publisher : CRC Press
Page : 270 pages
File Size : 51,9 Mb
Release : 2017-07-20
Category : Science
ISBN : 9781351394222

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Point Cloud Data Fusion for Enhancing 2D Urban Flood Modelling by Vorawit Meesuk Pdf

Modelling urban flood dynamics requires proper handling of a number of complex urban features. Although high-resolution topographic data can nowadays be obtained from aerial LiDAR surveys, such top-view LiDAR data still have difficulties to represent some key components of urban features. Incorrectly representing features like underpasses through buildings or apparent blockage of flow by sky trains may lead to misrepresentation of actual flood propagation, which could easily result in inadequate flood-protection measures. Hence proper handling of urban features plays an important role in enhancing urban flood modelling. This research explores present-day capabilities of using computer-based environments to merge side-view Structure-from-Motion data acquisition with top-view LiDAR data to create a novel multi-source views (MSV) topographic representation for enhancing 2D model schematizations. A new MSV topographic data environment was explored for the city of Delft and compared with the conventional top-view LiDAR approach. Based on the experience gained, the effects of different topographic descriptions were explored for 2D urban flood models of (i) Kuala Lumpur, Malaysia for the 2003 flood event; and (ii) Ayutthaya, Thailand for the 2011 flood event. It was observed that adopting the new MSV data as the basis for describing the urban topography, the numerical simulations provide a more realistic representation of complex urban flood dynamics, thus enhancing conventional approaches and revealing specific features like flood watermarks identification and helping to develop improved flood-protection measures.

A Methodology for Processing Raw LIDAR Data to Support Urban Flood Modelling Framework

Ahmad Fikri Bin Abdullah
A Methodology for Processing Raw LIDAR Data to Support Urban Flood Modelling Framework Book PDF

Author : Ahmad Fikri Bin Abdullah
Publisher : CRC Press
Page : 201 pages
File Size : 55,7 Mb
Release : 2020-10-29
Category : Technology & Engineering
ISBN : 9781000150155

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A Methodology for Processing Raw LIDAR Data to Support Urban Flood Modelling Framework by Ahmad Fikri Bin Abdullah Pdf

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).

Flood Forecasting Using Machine Learning Methods

Fi-John Chang,Kuolin Hsu,Li-Chiu Chang
Flood Forecasting Using Machine Learning Methods Book PDF

Author : Fi-John Chang,Kuolin Hsu,Li-Chiu Chang
Publisher : MDPI
Page : 376 pages
File Size : 47,5 Mb
Release : 2019-02-28
Category : Technology & Engineering
ISBN : 9783038975489

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Flood Forecasting Using Machine Learning Methods by Fi-John Chang,Kuolin Hsu,Li-Chiu Chang Pdf

Nowadays, the degree and scale of flood hazards has been massively increasing as a result of the changing climate, and large-scale floods jeopardize lives and properties, causing great economic losses, in the inundation-prone areas of the world. Early flood warning systems are promising countermeasures against flood hazards and losses. A collaborative assessment according to multiple disciplines, comprising hydrology, remote sensing, and meteorology, of the magnitude and impacts of flood hazards on inundation areas significantly contributes to model the integrity and precision of flood forecasting. Methodologically oriented countermeasures against flood hazards may involve the forecasting of reservoir inflows, river flows, tropical cyclone tracks, and flooding at different lead times and/or scales. Analyses of impacts, risks, uncertainty, resilience, and scenarios coupled with policy-oriented suggestions will give information for flood hazard mitigation. Emerging advances in computing technologies coupled with big-data mining have boosted data-driven applications, among which Machine Learning technology, with its flexibility and scalability in pattern extraction, has modernized not only scientific thinking but also predictive applications. This book explores recent Machine Learning advances on flood forecast and management in a timely manner and presents interdisciplinary approaches to modelling the complexity of flood hazards-related issues, with contributions to integrative solutions from a local, regional or global perspective.

Topographic Laser Ranging and Scanning

Jie Shan,Charles K. Toth
Topographic Laser Ranging and Scanning Book PDF

Author : Jie Shan,Charles K. Toth
Publisher : CRC Press
Page : 590 pages
File Size : 50,5 Mb
Release : 2017-12-19
Category : Technology & Engineering
ISBN : 9781420051438

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Topographic Laser Ranging and Scanning by Jie Shan,Charles K. Toth Pdf

A systematic, in-depth introduction to theories and principles of Light Detection and Ranging (LiDAR) technology is long overdue, as it is the most important geospatial data acquisition technology to be introduced in recent years. An advanced discussion, this text fills the void. Professionals in fields ranging from geology, geography and geoinformatics to physics, transportation, and law enforcement will benefit from this comprehensive discussion of topographic LiDAR principles, systems, data acquisition, and data processing techniques. The book covers ranging and scanning fundamentals, and broad, contemporary analysis of airborne LiDAR systems, as well as those situated on land and in space. The authors present data collection at the signal level in terms of waveforms and their properties; at the system level with regard to calibration and georeferencing; and at the data level to discuss error budget, quality control, and data organization. They devote the bulk of the book to LiDAR data processing and information extraction and elaborate on recent developments in building extraction and reconstruction, highlighting quality and performance evaluations. There is also extensive discussion of the state-of-the-art technological developments used in: filtering algorithms for digital terrain model generation; strip adjustment of data for registration; co-registration of LiDAR data with imagery; forestry inventory; and surveying. Readers get insight into why LiDAR is the effective tool of choice to collect massive volumes of explicit 3-D data with unprecedented accuracy and simplicity. Compiled by leading experts talking about much of their own pioneering work, this book will give researchers, professionals, and senior students novel ideas to supplement their own experience and practices.

Spatial Modeling in GIS and R for Earth and Environmental Sciences

Hamid Reza Pourghasemi,Candan Gokceoglu
Spatial Modeling in GIS and R for Earth and Environmental Sciences Book PDF

Author : Hamid Reza Pourghasemi,Candan Gokceoglu
Publisher : Elsevier
Page : 798 pages
File Size : 55,7 Mb
Release : 2019-01-18
Category : Mathematics
ISBN : 9780128156957

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Spatial Modeling in GIS and R for Earth and Environmental Sciences by Hamid Reza Pourghasemi,Candan Gokceoglu Pdf

Spatial Modeling in GIS and R for Earth and Environmental Sciences offers an integrated approach to spatial modelling using both GIS and R. Given the importance of Geographical Information Systems and geostatistics across a variety of applications in Earth and Environmental Science, a clear link between GIS and open source software is essential for the study of spatial objects or phenomena that occur in the real world and facilitate problem-solving. Organized into clear sections on applications and using case studies, the book helps researchers to more quickly understand GIS data and formulate more complex conclusions. The book is the first reference to provide methods and applications for combining the use of R and GIS in modeling spatial processes. It is an essential tool for students and researchers in earth and environmental science, especially those looking to better utilize GIS and spatial modeling. Offers a clear, interdisciplinary guide to serve researchers in a variety of fields, including hazards, land surveying, remote sensing, cartography, geophysics, geology, natural resources, environment and geography Provides an overview, methods and case studies for each application Expresses concepts and methods at an appropriate level for both students and new users to learn by example

Culture: urban future

UNESCO
Culture urban future Book PDF

Author : UNESCO
Publisher : UNESCO Publishing
Page : 304 pages
File Size : 51,8 Mb
Release : 2016-12-31
Category : Cities and towns
ISBN : 9789231001703

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Culture: urban future by UNESCO Pdf

Report presents a series of analyses and recommendations for fostering the role of culture for sustainable development. Drawing on a global survey implemented with nine regional partners and insights from scholars, NGOs and urban thinkers, the report offers a global overview of urban heritage safeguarding, conservation and management, as well as the promotion of cultural and creative industries, highlighting their role as resources for sustainable urban development. Report is intended as a policy framework document to support governments in the implementation of the 2030 Agenda for Sustainable Urban Development and the New Urban Agenda.

Digital Terrain Modeling

Zhilin Li,Christopher Zhu,Chris Gold
Digital Terrain Modeling Book PDF

Author : Zhilin Li,Christopher Zhu,Chris Gold
Publisher : CRC Press
Page : 337 pages
File Size : 52,5 Mb
Release : 2004-11-29
Category : Technology & Engineering
ISBN : 9780203486740

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Digital Terrain Modeling by Zhilin Li,Christopher Zhu,Chris Gold Pdf

Written by experts, Digital Terrain Modeling: Principles and Methodology provides comprehensive coverage of recent developments in the field. The topics include terrain analysis, sampling strategy, acquisition methodology, surface modeling principles, triangulation algorithms, interpolation techniques, on-line and off-line quality control in data a

Remote Sensing of Impervious Surfaces

Qihao Weng
Remote Sensing of Impervious Surfaces Book PDF

Author : Qihao Weng
Publisher : CRC Press
Page : 496 pages
File Size : 40,9 Mb
Release : 2007-10-03
Category : Technology & Engineering
ISBN : 9781420043754

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Remote Sensing of Impervious Surfaces by Qihao Weng Pdf

Remote sensing of impervious surfaces has matured using advances in geospatial technology so recent that its applications have received only sporadic coverage in remote sensing literature. Remote Sensing of Impervious Surfaces is the first to focus entirely on this developing field. It provides detailed coverage of mapping, data extraction,

Remote Sensing Based Building Extraction

Mohammad Awrangjeb,Xiangyun Hu,Bisheng Yang,Jiaojiao Tian
Remote Sensing Based Building Extraction Book PDF

Author : Mohammad Awrangjeb,Xiangyun Hu,Bisheng Yang,Jiaojiao Tian
Publisher : MDPI
Page : 442 pages
File Size : 55,8 Mb
Release : 2020-03-27
Category : Science
ISBN : 9783039283828

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Remote Sensing Based Building Extraction by Mohammad Awrangjeb,Xiangyun Hu,Bisheng Yang,Jiaojiao Tian Pdf

Building extraction from remote sensing data plays an important role in urban planning, disaster management, navigation, updating geographic databases, and several other geospatial applications. Even though significant research has been carried out for more than two decades, the success of automatic building extraction and modeling is still largely impeded by scene complexity, incomplete cue extraction, and sensor dependency of data. Most recently, deep neural networks (DNN) have been widely applied for high classification accuracy in various areas including land-cover and land-use classification. Therefore, intelligent and innovative algorithms are needed for the success of automatic building extraction and modeling. This Special Issue focuses on newly developed methods for classification and feature extraction from remote sensing data for automatic building extraction and 3D

Global Trends 2040

National Intelligence Council
Global Trends 2040 Book PDF

Author : National Intelligence Council
Publisher : Cosimo Reports
Page : 158 pages
File Size : 54,8 Mb
Release : 2021-03
Category : Electronic
ISBN : 1646794974

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Global Trends 2040 by National Intelligence Council Pdf

"The ongoing COVID-19 pandemic marks the most significant, singular global disruption since World War II, with health, economic, political, and security implications that will ripple for years to come." -Global Trends 2040 (2021) Global Trends 2040-A More Contested World (2021), released by the US National Intelligence Council, is the latest report in its series of reports starting in 1997 about megatrends and the world's future. This report, strongly influenced by the COVID-19 pandemic, paints a bleak picture of the future and describes a contested, fragmented and turbulent world. It specifically discusses the four main trends that will shape tomorrow's world: - Demographics-by 2040, 1.4 billion people will be added mostly in Africa and South Asia. - Economics-increased government debt and concentrated economic power will escalate problems for the poor and middleclass. - Climate-a hotter world will increase water, food, and health insecurity. - Technology-the emergence of new technologies could both solve and cause problems for human life. Students of trends, policymakers, entrepreneurs, academics, journalists and anyone eager for a glimpse into the next decades, will find this report, with colored graphs, essential reading.

Mapping the Zone

National Research Council,Water Science and Technology Board,Board on Earth Sciences and Resources/Mapping Science Committee,Committee on FEMA Flood Maps
Mapping the Zone Book PDF

Author : National Research Council,Water Science and Technology Board,Board on Earth Sciences and Resources/Mapping Science Committee,Committee on FEMA Flood Maps
Publisher : National Academies Press
Page : 136 pages
File Size : 45,8 Mb
Release : 2009-06-15
Category : Science
ISBN : 9780309130578

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Mapping the Zone by National Research Council,Water Science and Technology Board,Board on Earth Sciences and Resources/Mapping Science Committee,Committee on FEMA Flood Maps Pdf

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.

Advances in Geoscience and Remote Sensing

Gary Jedlovec
Advances in Geoscience and Remote Sensing Book PDF

Author : Gary Jedlovec
Publisher : IntechOpen
Page : 754 pages
File Size : 41,6 Mb
Release : 2009-10-01
Category : Technology & Engineering
ISBN : 9533070056

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Advances in Geoscience and Remote Sensing by Gary Jedlovec Pdf

Remote sensing is the acquisition of information of an object or phenomenon, by the use of either recording or real-time sensing device(s), that is not in physical or intimate contact with the object (such as by way of aircraft, spacecraft, satellite, buoy, or ship). In practice, remote sensing is the stand-off collection through the use of a variety of devices for gathering information on a given object or area. Human existence is dependent on our ability to understand, utilize, manage and maintain the environment we live in - Geoscience is the science that seeks to achieve these goals. This book is a collection of contributions from world-class scientists, engineers and educators engaged in the fields of geoscience and remote sensing.

Geographic Information Science and Mountain Geomorphology

Michael Bishop,John F. Shroder
Geographic Information Science and Mountain Geomorphology Book PDF

Author : Michael Bishop,John F. Shroder
Publisher : Springer Science & Business Media
Page : 564 pages
File Size : 54,7 Mb
Release : 2004-06-30
Category : Science
ISBN : 354042640X

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Geographic Information Science and Mountain Geomorphology by Michael Bishop,John F. Shroder Pdf

From the reviews: "Bishop and Schroder (both, Univ. of Nebraska at Omaha) have brought together an impressive group of practitioners in the relatively new application of geographic information science to mountain geomorphology. In doing so, they have produced valuable, first, overall coverage of a high-tech approach to mountain, three-dimensional research. More than 40 contributing authors discuss a wide range of related aspects.... The book is well bound and well produced; each chapter provides an extensive source of references. The numerous line drawings are clearly reproduced, although the mediocre quality of photographic reproduction limits the value of air photographs and satellite images. As is characteristic of many edited collections, there is some variation in chapter quality. Some of the writing is so dense that it requires minute concentration--one chapter, for instance, has 14 pages of references from a total of 43 pages. Nevertheless, this is a vital compendium for a rapidly expanding field of research. Summing Up: Recommended. Upper-division undergraduates through professionals." (J. D. Ives, Choice, March 2005)

Geo-information for Disaster Management

Peter van Oosterom,Siyka Zlatanova,Elfriede Fendel
Geo information for Disaster Management Book PDF

Author : Peter van Oosterom,Siyka Zlatanova,Elfriede Fendel
Publisher : Springer Science & Business Media
Page : 1412 pages
File Size : 53,5 Mb
Release : 2006-02-28
Category : Science
ISBN : 9783540274681

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Geo-information for Disaster Management by Peter van Oosterom,Siyka Zlatanova,Elfriede Fendel Pdf

Geo-information technology can be of considerable use in disaster management, but with considerable challenge in integrating systems, interoperability and reliability. This book provides a broad overview of geo-information technology, software, systems needed, currently used and to be developed for disaster management. The text invites discussion on systems and requirements for use of geo-information under time and stress constraints and unfamiliar situations, environments and circumstances.

Water Management at Abandoned Flooded Underground Mines

Christian Wolkersdorfer
Water Management at Abandoned Flooded Underground Mines Book PDF

Author : Christian Wolkersdorfer
Publisher : Springer Science & Business Media
Page : 476 pages
File Size : 44,9 Mb
Release : 2008-02-01
Category : Science
ISBN : 9783540773313

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Water Management at Abandoned Flooded Underground Mines by Christian Wolkersdorfer Pdf

This book addresses the processes related to mine abandonment from a hydrogeological perspective and provides a comprehensive presentation of water management and innovative tracer techniques for flooded mines. After an introduction to the relevant hydrogeochemical processes the book gives detailed information about mine closure procedures. The book also includes case studies and hints, and some new methodologies for conducting tracer tests in flooded mines.