THREE-DIMENSIONAL GEOMORPHOLOGICAL MAPPING: METHOD AND TECHNIQUES FROM GIS
Block Diagram, Geomorphology, Geoprocessing
Geomorphological studies, in all their historical context, have always been supported by cartographic representations, which vary or adapt according to the needs of the best presentation and interpretation of data. Due to limitations of manual work, the use of block diagrams of the modeling was always secondary; maps and plans were always the products used. With the advancement of geoprocessing technology, it is possible to create models in three dimensions of the relief without the need for artistic skills. In this sense, the objective of the work is to systematize and integrate geotechnological techniques and procedures for the elaboration of 3D relief models. The methodological procedures follow a sequence of steps: pre-outdoor campaign, outdoor campaign, data organization and representations of results, following the taxonomies and scales of geomorphology. Three areas were delimited in Rio Grande do Norte, with specific geomorphological characteristics for the assembly of diagram blocks. The results will be able to support the systematization of the procedures used in the elaboration of the relief representation, serving as a subsidy for the management, control and environmental analysis studies.