CHARACTERIZATION AND MAPPING OF GULLY EROSION FEATURES IN TWO GEOLOGICAL FORMATIONS OF EASTERN NIGERIA USING GLOBAL POSITIONING SYSTEM (GPS) AND SATELLITE AERIAL PHOTO
ABSTRACT With the aid of Global Positioning System (GPS) and Satellite Aerial Photo, a comparative characterization and mapping of soil gully erosion features on two geological formations were carried out in Nsukka area of eastern Nigeria. The two geological formations were AjaliĀ andĀ MamuĀ formations.Ā The study involvedĀ the use of base mapĀ createdĀ using a Geographic Information System (GIS) (GPS Track Marker) and Satellite Photo downloaded from the internet ...
Read more