Abstract This research aims to compare between heights that measured relative to the mean sea level (Orthometric Heights) and that ones related to the ellipsoid (Ellipsoidal Heights). By observing 11 points using both methods, the comparison was carried out, it found that the RMSE is 0.023m, and to convert between method to another must add or subtract 1.635m in the study area.
ABSTRACT South Kordofan State is rich in its natural resources mainly vegetation cover, the area characterized by dense forests, rich pasture and arable land, as well as the occurrence of wildfire in the dry season, There is no suitable information available on when, and where, how often and how much wildfires, large areas of forests and pastures are subject to wildfires in the dry season. The objective of study is to investigate the fire regime (extend, seasonality and frequency of wildfire...
ABSTRACT The Nubian lake is one of the largest industrial lakes resulting from the establishment of High Dam in Egypt and is located in the Sudanese-Egyptian border. This research deals with the study of changes in Nubian Lake using Geographic Information System and remote sensing. The ArcGIS capabilities had been utilized. The Remote sensing technique had been applied to assess the change that occurred at the lake boundary. Moreover, the urban development and the increased in the agricultur...