Chapter-3 (Version 4) 07-01-06 - NCERT

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You have observed water flowing throughthe rivers, nalas and even channelsduring rainy season which drain theexcess water. Had these channels not beenthere, large-scale flooding would haveoccurred. Wherever channels are ill-defined orchoked, flooding is a common flow of water through well-definedchannels is known as drainage and thenetwork of such channels is called a drainage system . The drainage patternof an area is the outcome of the geologicaltime period, nature and structure ofrocks, topography, slope, amount ofwater flowing and the periodicity ofthe you have a river near your village or city?

river systems but the following are the major river systems: The Indus System It is one of the largest river basins of the world, covering an area of 11,65,000 sq . km (in India it is 321, 289 sq . km and a total length of 2,880 km (in India 1,114 km). The Indus also known as the Sindhu, is the westernmost of the Himalayan rivers in India. It ...

  River, Major, Basin, Major river, River basins