Changes in the Course of the River Komadugu Yobe during the 20th Century at the Border between Niger and Nigeria
The river Komadugu Yobe in the Lake Chad basin is a seasonal river, about 370 km long and with an average highest flow of 34 m3/s during the time period of 1957 to 1976. The river is dynamic with plenty of meanders and oxbow lakes along its sides. Komadugu Yobe’s thalweg (the line defining the lowest points in a riverbed) is the natural border between Niger and Nigeria and may change position with
