GEOMORPHOLOGYCAL MAPPING OF THE CITY OF JATAIZINHO, LOW COURSE OF THE TIBAGI RIVER, PARANÁ STATE, BRAZIL.
DOI:
https://doi.org/10.14393/RCG217349324Keywords:
Geomorphology, Geotechnology, FloodAbstract
Relief forms of the city of Jataizinho, located in the low course of the Tibagi River, Paraná State, Brazil, were mapped with the objective of helping the understanding of the responsible causes of flood in this city. The geomorphologycal mapping was realized through digital stereoscopy. The stereoscopycal model was based in Jataizinho aerial photographs of 1970’s with 1:25000 scale, georeferenced with geodesic coordinates obtained through GNSS techniques. The mapped relief forms were hill – Dc, terrace – Atf and floodplain – Apf. The bankfull stage of the Tibagi River was calculated in 339.346 m and the Jataizinho fluviometric station zero level was calculated in 334.02 m. Through orbital images overlap was observed that many floodplains – Apf –, are occupied by Jataizinho city residents currently. The obtained results were satisfactory so that the geomorphologycal mapping will can be utilized as base to the territorial and environmental planning of the city of Jataizinho.
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