Deccan Plateau - Geography

Geography

The Deccan Plateau lies south of the Indo-Gangetic plain. The Western Ghats Mountain Range is very tall and blocks the moisture from the southwest monsoon from reaching the Deccan Plateau, so the region receives very little rainfall. The eastern Deccan Plateau is at a lower elevation spanning the southeastern coast of India. Its forests are also relatively dry but serve to retain the rain to form streams that feed into rivers that flow into basins and then into the Bay of Bengal.

Most Deccan plateau rivers flow south. Most of the northern part of the plateau is drained by the Godavari River and its tributaries, including the Indravati River, starting from the Western Ghats and flowing east towards the Bay of Bengal. Most of the central plateau is drained by the Tungabhadra River, Krishna River and its tributaries, including the Bhima River, which also run east. The southernmost part of the plateau is drained by the Kaveri River, which rises in the Western Ghats of Karnataka and bends south to break through the Nilgiri Hills at the island town of Shivanasamudra and then falls into into Tamil Nadu at Hogenakal Falls before flowing into the Stanley Reservoir and the Mettur Dam that created the reservoir, and finally emptying into the Bay of Bengal.

The two main rivers which do not flow into the Bay Of Bengal are the Narmada and Tapti. They start in the central India and flow into the Arabian Sea. All Deccan plateau rivers depend on rains and dry up in the summers.

The climate of the region varies from semi-arid in the north to tropical in most of the region with distinct wet and dry seasons. Rain falls during the monsoon season from about June to October. March to June can be very dry and hot, with temperatures regularly exceeding 40°C.

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