Matching Pairs River characteristicsOnline version Complete by José Torrecillas Baena 1 TRIBUTARY 2 REGIME 3 MOUTH 4 DISCHARGE 5 LENGHT 6 COURSE 7 SOURCE 8 MEANDER Bends in the river. Is the amount of water. The distance from the source to the mouth. The path of the river. Is the change in discharge. Can be stable or variable. The place where the river begin. The place where the river ends. A river that flows into another river.