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8th International Scientific Conference - SGEM2008, www.sgem.org, SGEM2008 Conference Proceedings/ ISBN: 954-918181-2, June 16-20, 2008, Vol. 2, 599-604 pp


Highly accurate digital terrain model (DTM) is nowadays considered to be a top-level
tool for modeling processes on earth surface. Particularly important is its application in
the regions endangered by natural disasters – especially floods. Occurrence of extreme
flowage – floods in the past few years has not only intensified, but began to interfere in
to regions, that up till now didn´t experienced floods. Each year brings greater damage
on properties and infrastructure. Potential size of inundated area, progress and duration
of flood wave and depth of water in flooded territory, all these aspects could be modeled
through DMR and with the help of suitable software tools of GIS environment. Among
the most commonly used tools belong 1D, 2D and 3D mathematical models,
implemented using different appropriate software tools. It is also appropriate to mention
MIKE 11, MIKE21, HYDROCHECK, HEC2, HEC-RAS and many others. Their
selection depends on a result, we are trying to achieve with specific model. Geographic
information system (GIS) is the most suitable tool for processing, evidence, analysis and
presentation of any kind of data. Between initial source materials and GIS exists
a correlative link, which means that input data are entered into GIS and simultaneously
the GIS can backwardly affect the content of a source data.

Keywords: Digital Terrain Model, Floods, Geographic Information System, Geology.

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