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What is DEM? SRTM | ASTER (Urdu/Hindi)

Welcome to our latest educational video where we delve into the fascinating world of Digital Elevation Models (DEMs). In this video, we'll unravel the intricacies of DEM data and shed light on the key differences between ASTER and SRTM datasets. 🗻 What are DEMs? 🌍 Digital Elevation Models, or DEMs, are digital representations of the Earth's terrain. These data sets provide detailed information about the elevation of the Earth's surface, enabling us to visualize and analyze landscapes with incredible accuracy. 🛰️ ASTER DEM: ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) is a satellite sensor that captures data in various spectrums, including visible and infrared. ASTER DEMs are known for their high-resolution data, capturing intricate details of the Earth's surface. They are particularly useful for applications requiring fine-scale terrain information, such as urban planning and geological analysis. 🛰️ SRTM DEM: SRTM (Shuttle Radar Topography Mission) was a groundbreaking NASA mission that used radar technology to capture elevation data during its space shuttle flights. SRTM DEMs provide global coverage and offer consistent data with relatively uniform resolution. While not as high-resolution as ASTER data, SRTM DEMs are widely used for various applications, including regional planning, flood modeling, and large-scale terrain analysis. #DEM #ASTER #SRTM #GeospatialData #Topography #GIS #EarthScience #Education