Application Of Google Earth For Flood Disaster
Monitoring In 3D-GIS
Author(s)
M. Mori & Y. L. Chan
Abstract
A prototype flood monitoring system has been developed using Google Earth
related to Geographic Information Systems (GIS). GIS have become effective
tools for analyzing flood disasters, especially for three-dimensional (3D)
analysis. However, high performance commercial GIS are very expensive so
many offices, such as the U.S. National Weather Service (NWS), use web-based
flood monitoring systems such as Google Earth. A web-based monitoring system
is a low cost and efficient means to monitor local occurrences of floods. The
present monitoring system is designed to provide the output result via a webbased
interface to agencies, in both the public and private sectors. The present
system provides estimated inundation zones, water depth, and flood hazard map
via a web-based interface, which are based on a two-meter Digital Surface
Model (DSM). A 2 m DSM is a more precise 3D model when compared with the
previous Digital Elevation Models (DEM).
Keywords: flood, Google Earth, 3D GIS, DEM/DSM.
1 Introduction
Flood damage is quite severe in northern Kyushu, Japan, during the yearly
typhoon season. Floods are most frequent, making up 46% of all natural disasters
and cause most human loss, affecting 78% of the population who have
experienced natural disasters [1].
A prototype web-based flood monitoring system has been developed, which
uses Google Earth pro v.5. Google Earth pro is more advanced than the standard
version, which enables easy connection with not only Key-hole Markup
Language (KML) files but also GIS files.
Keywords
flood, Google Earth, 3D GIS, DEM/DSM
Related Book
Other papers in this volume
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