What are the main features of the rivers originating in the Himalayas and why are most of the Himalayan Rivers perennial?
The Himalayan River originates from the mountains of the Himalayan ranger. As these rivers get water from the snow which is melting the glaciers and also with the help of the rain. Three main Himalayan rivers are Ganga, Indus, and Brahmaputra.Most of the Himalayan Rivers are perennial in nature. This means that they have water throughout the year. The Himalayan Rivers have long courses from their source to the sea. They perform an intensive erosion activity in their upper courses and carry huge loads of silt and sand and they also have well-developed deltas. Most Himalayan Rivers originating in Himalayan peaks are perennial because they are fed by melting snow throughout the year.
The Himalayan Rivers are perennial rivers as they originate in snow covered Himalayan Mountains. During summers, the snow melts and the rivers get continuous supply of water. On the contrary, the peninsular rivers depend mostly on rainfall for its supply of water and thus become dry during the summer season. Himalayan rivers originating in Himalayan peaks are perennial because they are fed by melting snow throughout the year. They are also called permanent rivers. In India Himalayan Rivers like Ganga and Brahmaputra including their tributaries are the perennial rivers. These both are rain-fed and are formed from the glaciers. Most of the perennial rivers originate from the mountains and the water is fed from the melting of the mountains. Most of the rivers of North India have their source in The Himalayan Mountains. On the other hand, the rivers of South India are mainly dependent on the monsoon rains and the receding mountains. Thus, due to this the rivers of North India are perennial and those of South India are seasonal. A stream or a river that flows continuously through its river bed for a year is known as a perennial river. They have water in their river bed for the whole year. Himalayan rivers are perennial in nature i.e. water flows throughout the year in these rivers while the peninsular rivers receive water only from rainfall and water flows in these rivers in rainy season only. Therefore, they are seasonal in nature. Perennial rivers are streams or rivers that constantly run across their riverbed for a whole year. Non-perennial rivers are rivers or streams that do not flow continuously throughout the entire year. The entire year, there is water in the riverbed of Perennial Rivers. Peninsular rivers are seasonal in nature because they are non-perennial rivers. They are dependent on rainfall for their flow of water, so they flow only during the rainy season. Mountain Rivers are characterized by high slope and flow velocity, insignificant depth, frequent rapids and waterfalls, as well as dominated washed out processes. They make deep v-shaped valley called a deep gorge. They are the antecedent river. They make large drainage basins. In the upper course, they do intense erosion activities.
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