Methodology for Processing Raw Lidar Data to Support Urban Flood Modelling Framework

Name: Methodology for Processing Raw Lidar Data to Support Urban Flood Modelling Framework
Brand: Taylor & Francis Ltd
SKU: 9780415624756
Price: 478.16 PLN
Availability: InStock

UNESCO-IHE PhD Thesis

Autor: Ahmad Fikri Bin Abdullah

Język:

Oprawa: Miękka

Wydawca: Taylor & Francis Ltd

Dostępność: 50 % szansa

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478.16 zł

The consequences of recent floods and flash floods in many parts of the world have been devastating....

Informacje o książce

Autor

Ahmad Fikri Bin Abdullah

Język

Angielski

Oprawa

Książka - Miękka

Data wydania

2012

strony

214

EAN

9780415624756

ISBN

9780415624756

Enbook ID

06706049

Wydawca

Taylor & Francis Ltd

Waga

400

Pełny opis

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).

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Methodology for Processing Raw Lidar Data to Support Urban Flood Modelling Framework

UNESCO-IHE PhD Thesis

Informacje o książce

Pełny opis

Możesz być zainteresowany

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