Banca de DEFESA: JOÃO VICTOR MARIANO DA SILVA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : JOÃO VICTOR MARIANO DA SILVA
DATE: 27/04/2022
TIME: 14:00
LOCAL: PLATAFORMA VIRTUAL GOOGLE MEET
TITLE:

ENVIRONMENTAL ANALYSIS OF SPRINGS IN THE CITY OF CRATO - CEARÁ: GEO-ENVIRONMENTAL SUBSIDIES FOR SUSTAINABLE DEVELOPMENT

KEY WORDS:

Geoenvironmental analysis. Hydrogeology. Hydrogeomorphology. Sedimentary Basin from Araripe. Sustainability.

PAGES: 82
BIG AREA: Outra
AREA: Ciências Ambientais
SUMMARY:

Springs are important natural water subsystems belonging to hydrographic basins, being responsible for the exfiltration of water to the surface, and for maintaining the local/regional hydrological dynamics. However, given the importance of water use in activities carried out by human beings, these natural aquatic elements have been presenting serious environmental problems, such as: the occupation of their recharge areas, the vegetation suppression of their surroundings and the related loss of flow, among others. Crato, Cariri Metropolitan Region - RMCariri/CE, given the regional and local geoenvironmental conditions of the Araripe sedimentary basin and the Araripe plateau, presents a relevant occurrence of springs on the slope of this plateau. These, given the context of urbanization that is expanding in the municipality, have become the target of environmental degradation, caused by the inadequate occupation of hillside areas and their surroundings. In this perspective, this research aims to carry out an environmental analysis of the headwaters of Crato/CE, based on their hydrogeomorphological, historical and geoenvironmental conditions. For this, the research was divided into two articles: in the first, a bibliographic and documental survey was adopted as a methodology about the themes and possible applications of environmental analysis to springs; in the second, we sought to identify the physical-natural elements related to these, thus, in addition to the bibliographic survey in the office, there was mapping in the laboratory and field activities in the slope areas of the Chapada do Araripe. As a result, the research can identify that nowadays the integrated environmental analysis can be applied in different scales of analysis and that, in the case of springs, these can be studied through the application of environmental zoning supported by geoenvironmental diagnoses. In the context of urban and peri-urban headwaters of Crato/CE, it was identified that, even when dealing with important responses referring to the local and regional hydrogeomorphological context, they, from the expansion of cities, have been suffering negative changes in terms of their natural dynamics. Of the 93 identified springs, 45 are located in urban and peri-urban areas and, of these, 10 have been suffering from these impacts. Even though it is not a process that afflicts all springs, it is something that points out the impact of urbanization on the areas where they are located. In this way, it is concluded that, in addition to the diagnoses subsidizing studies at scales that cover the environmental systems of the springs, these can be the basis for their sustainable use both at local and regional levels.

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