Multi-source data fusion can help to weaken the original data’s shortcomings while improving accuracy. The experimental area in this research is Taiyuan City Shanxi Province, China. Using SRTM1 DEM, ASTER GDEM V3, and AW3D30 optimal resolution of Fused DEM determined by analyzing topographic factor information entropy. Then optimally weighted coefficient with root mean square error (RMSE) as cr...

Hongjiannao groundwater exchange was the largest desert freshwater lake in China (57.25 km2 1986). However, it shrank sharply over past 34a (1986–2019), with smallest area 31.41 2015. The objective of this study to use Landsat images, ASTER GDEM V2 data, and meteorology statistics combination water balance model calculate dynamics elements, quantify characterize interannual variations lake-grou...

El Alto Atlas Central es una de las estructuras geológicas que pertenecen al Macizo del marroquí. Presenta gran diversidad geológica y muchas características estructurales facies. Está controlada por fallas principales dirección N70 a E-O, visibles diferentes escalas ricas en numerosas vetas mineralizadas. Esta zona ha sido objeto presente trabajo, el hemos simulado imágenes los sensores Landsa...

Digital elevation models (DEMs) are the basic data of science and engineering technology research. SRTM ASTER GDEM currently widely used global DEMs, TanDEM-X DEM, released in 2016, has attracted users’ attention due to its unprecedented accuracy. These datasets often for local applications quality DEMs affects results applications. Many researchers have assessed compared on a scale. To provide...