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Understanding Digital Elevation Models in GIS and Remote Sensing

Digital Elevation Models (DEMs) play a crucial role in analyzing topography for various applications in GIS and Remote Sensing. They can be derived from different sources such as point elevation data, contour lines, remotely sensed data, etc. DEMs help in determining terrain characteristics, slope, aspect, watersheds, and drainage networks. Various techniques like LiDAR, photogrammetry, and InSAR are used to generate DEMs which can be further used for hazard analysis and other spatial studies.

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Understanding Digital Elevation Models in GIS and Remote Sensing

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