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Geofacies Mapping; Geosystem; Landscape Cartography; Rio Grande do Norte
Geography studies and spatializes the phenomena and elements on the Earth's surface. In this perspective, a research carried out as an object of studies as landscape units, the general objective of this work being to compartmentalize and analyze the landscape units at the geopathic level (1:50,000) in the Eastern and Agreste Coastal of RN, based on their physiognomy. In addition to identifying, characterizing and quantifying the total area and percentage, the stability of each unit was analyzed. For landscape analysis, a geosystemic conception formulated by Sochava is used, or a taxonomic landscape system according to a French school and an analysis of environmental stability (stable, intergrade and unstable). To perform the mapping of the entire area, images from the Sentinel-2 satellite with a spatial resolution of 10m were used, vectored manually in the Geographic Information System (GIS) environment, in addition to being used for validation in field work, a technical technique for standardize as information about landscape elements, the Phantom Advanced 3 model drone, the GNSS device for locating points of doubt and photographic records. Therefore, as landscapes were compartmentalized in 1 (one) morphoclimatic domain, 1 (one) transition area (Agreste) and 1 (one) Cerrado Enclave; 4 (four) natural regions; 9 (nine) geocomplexes, which, in turn, were divided into 64 (sixty-four) geofacies.