Vertical accuracy assessment of improvised global digital elevation models (MERIT, NASADEM, EARTHENV) using GNSS and airborne IFSAR DEM.

• Main Authors: Aziz, M. A. C., Pa’suya, M. F., Talib, N., Md. Din, A. H., HashiM, S., Ramli, M. Z.
• Format: Article
• Language: English
• Published: Keeper 2023
• Subjects: G109.5 Global Positioning System
• Online Access: http://eprints.utm.my/105657/1/RamliMZ2023_VerticalAccuracyAssessmentofImprovisedGlobalDigital.pdf; http://eprints.utm.my/105657/; https://doi.org/10.52939/ijg.v19i12.2979

During the last decades, freely available GDEMs, such as ASTER, SRTM, and AW3D30, have been widely used in many applications such as for environmental, spatial analysis, research in geomorphology, hydrology, etc. However, these available GDEMs suffer from various limitations. In order to enhance the...