Question

What is the major source of water in rivers?​

Answer 1

Water generally collects in a river from precipitation through a drainage basin from surface runoff and other sources such as groundwater recharge, springs, and the release of stored water in natural ice and snowpacks (e.g., from glaciers).

Answer 2

Main source of water in river is melting snow capes (which melt due to heat, that is summer) and rain