Rivers are nourished by precipitation, by direct overland runoff, through springs and seepages, or from meltwater at the edges of snowfields and glaciers. The contribution of direct precipitation on the water surface is usually minute, except where much of a catchment area is occupied by lakes. The rivers of India can be classified into four groups viz., Himalayan rivers, Deccan rivers, Coastal rivers, and Rivers of the inland drainage basin. The Himalayan Rivers are formed by melting snow and glaciers and therefore, continuously flow throughout the year. During the monsoon months, Himalayas receive very heavy rainfall and rivers swell, causing frequent floods. The Deccan Rivers on the other hand are rain fed and therefore fluctuate in volume. Many of these are non-perennial. The ... Rivers are one of the primary sources of water on the earth. As most of the rivers carry freshwater, it is one of the main support systems for life on earth. If you want to know what rivers are, you can get the definition in the primary level geography books. Moreover, you can learn about the uses of rivers from the books too. So, you can easily describe a river. Here, you can go through a brief overview of the rivers. All points related to what rivers are and how rivers are formed are ... Learn about the geography, economy, and culture of India's rivers, with a downloadable PDF map and a list of major rivers and their features. Find out the origin, outflow, tributaries, and major cities of the Ganga, Brahmaputra, Indus, Godavari, Krishna, Narmada, and more.
