"Geography of Rivers" is the study of In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water.Generally a river flows without intervention.
Some questions in "Geography of Rivers" involve The velocity of river, Discharge and shape of the channel.It also deals with the characterestics of River.
Why study "Geography of Rivers"? Study the nature, characterestics of river and also to teach the yoounger generation.
Mark Angelo, Ma Jun, Stuart Bunn are some authorities of "Geography of Rivers".