hello sir, why value of Elevation in dem differ with its resolution ? For example study area DEM with 30 m resolution (SRTM-USGS) show value: 2143-399 (high-low) whereas DEM of the same with 12.5 m resolution from ALOSPALSAR (Alaska Satellite Facility)show value: 2100-363 (high-low). Which is correct and what are the reason behind it. Please give the answer.
hello sir, why value of Elevation in dem differ with its resolution ? For example study area DEM with 30 m resolution (SRTM-USGS) show value: 2143-399 (high-low) whereas DEM of the same with 12.5 m resolution from ALOSPALSAR (Alaska Satellite Facility)show value: 2100-363 (high-low). Which is correct and what are the reason behind it. Please give the answer.