digital elevation model
[/ˈdɪdʒɪtəl ˌɛlɪˈveɪʃən ˈmɑːdəl/]
nounpl: digital elevation models
modelo digital de elevação
1. A digital representation of terrain surface elevation data, typically created from remote sensing or surveying methods, used in geographic information systems (GIS) and cartography
The geologists used a digital elevation model to analyze the watershed and predict flood patterns.
Os geólogos usaram um modelo digital de elevação para analisar a bacia hidrográfica e prever padrões de inundação.
2. A raster or grid-based dataset where each cell contains elevation information for a specific geographic location
The high-resolution digital elevation model revealed previously unmapped valleys in the mountain range.
O modelo digital de elevação de alta resolução revelou vales anteriormente não mapeados na cordilheira.
Digital elevation models are fundamental tools in Brazilian and Portuguese-speaking countries for environmental management, urban planning, and natural resource assessment. The acronym DEM or MDE is widely recognized in academic and professional geospatial communities across Portuguese-speaking regions. This terminology is particularly important in Brazil for Amazon monitoring, flood management, and infrastructure development projects.
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