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FLOOD CONTROL IN URBAN WATERSHED WITH HELP OF GEOTECNOLOGY
AND MULTIPURPOSE TECHNICAL CADASTRE
Priscila D.Krambeck Braun1, Tadeu de Souza Oliveira ,Mirtz Orige
Oliveia , Carlos Loch
4
LabFSG Laboratory of Photogrammetry, Remote Sensing and
Geoprocessing
UFSC Universidade Federal de Santa Catarina
[email protected]@unesc.net
[email protected] [email protected]
Keywords: urban flooding, environmental disasters, urban
drainage, urban planning.
ABSTRACTSince 1852 several floods occurred in the Itaja-A River
and the memory of thepeople and public officials about the critical
events on floods seems to dissipate overtime. The population fails
to consider the risk and the lack of space planning and
thegovernment allows the occupation occurs with significant losses
as consequences.In November 2008, particularly in the Vale do Itaja
Santa Catarina state, southernBrazil, was hit by a series of
environmental disasters such as floods, landslides andslumping of
slopes that caused the destruction of many houses, buildings, fact
ories,schools, crops, pastures and roads. The intensive rainfall
caused landslides andflooding in several small streams, causing the
destruction of the margins andstructures built in areas legally for
permanent protection. To better examine the factsthat led to
disaster and led to such seriousness, it is evident that the rain
triggered
the disaster, but it was the vulnerability of municipalities
regarding environmentalmanagement and public policies are
inadequate or nonexistent that made the eventwere to assume the
dimension of tragedy. Integrated planning of land use on
waterresources management focusing on control and mitigation of
floods, seeks toestablish relationships between land uses and urban
land use and problemsinvolving urban flooding. Leaving, then, this
new vision of planning and designspecification modern elements with
the aid of information provided by theMultipurpose Technical
Cadastre, GIS and Geographic Information Systems (GIS)this work
aims to make a general analysis of the temporal dynamics of urban
growthin the basin of Ribeiro Garcia, the city of Blumenau, Brazil
and its effects on macrodrainage.
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LOCH,C.; ERBA,D.Cadastro Tcnico Multifinalitrio Rural e Urbano .
Cambridge,MA: Lincoln Isntitute of Land Policy, 2007.
TUCCI, Carlos E.M.,MARQUES David M.L. da Motta. Avaliao e
Controle daDrenagem Urbana. Porto Alegre: Ed. Universidade/UFRGS,
2000.
