Publicação: Analyze multi-temporal the dynamics of use, land occupation and coverage the on east zone of the city of caxias/ma/maranhão/brazil
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A B S T R A C T With the advancement of the amount of people in the urban area there are new forms of changes in environment, and thus there favoring intensifying anthropization process as suppression of vegetation, the relief adulteration and damage to water courses. Faced with this, the general objective of this study was to analyze in multi-temporal scale, the dynamics of use, land occupation and coverage of the city of Caxias/MA with a focus on east Zone East through tools obtained from the Remote Sensing. The methodology used was literature, documentary and cartographic. Thematic maps were made by interpreting images obtained from the Landsat 5 TM (Thematic Mapper) satellites for the year 2000 and the Landsat 8 OLI (Operational Land Imager) for 2017, using the SCP (Semi-Automatic Classification) plugin of the QGIS software 2.18.8. Through the results obtained, it was found that in the zona Leste secondary vegetation continued to represent the largest area, despite the urban area having grown (from 33% to 35%). It is characterized because of the large green area in the Pai Geraldo district and Baixinha where it is located a farm. In the face and the remote sensing steps, field and laboratory, this study represents an analysis of use, occupation and land cover occurred in two areas of the city of Caxias/MA where, from there it was found the most diverse activities in the area, also with different risks and environmental impacts. Thus, it reinforces the need for further studies and remote sensing to the achievement of goals.
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Caxias/MA, East zone, Land cover, Remote sensing
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Português
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Revista Brasileira de Geografia Fisica, v. 14, n. 3, p. 1415-1428, 2021.
