Theory question 102
Transport, Trade and Tourism(a) List four modes of transportation. (b) Identify four constraints to inland water navigation. (c) In what four ways can the constraints identified in 2(b) above be solved?
Show the model answer
(a) Road; rail; water; air; pipeline; cable/ropeway.
(b) Seasonal fluctuation of water level; rapids, waterfalls and cataracts; sandbars and silting; water weeds (water hyacinth); shallow rivers; tree stumps and rocks; lack of navigational aids; rivers flowing away from economic centres; low capital; competition from roads; piracy.
(c) Dredging and channelisation; building dams and locks to regulate water; clearing water weeds; installing navigational aids and lights; building canals round rapids; providing capital and modern vessels; good maintenance and port facilities; security patrols.
Link each solution to a constraint.