Morvi dam failure
The Morvi dam failure was a dam-related flood disaster which occurred on August 11, 1979 in India. The Machchu-2 dam, situated on the Machhu river burst sending a wall of water through the town of Morvi in Indian state of Gujarat.[1] Estimates of the number of people killed vary greatly ranging from 1800 to 15000 people.[2][3]
The failure was caused by excessive rain and massive flooding.[citation needed] The spillway capacity provided for 5663 m³/s. But the actual observed flood during intense rainfall became 16307 m³/s, 3 times what was designed - that caused the collapse of the dam. Within 20 minutes the floods of 12 to 30 ft (3.7 to 9.1 m) height inundated the low-lying areas of Morvi industrial town located 5 km below the dam. During reconstruction of the dam the capacity of the spillway was increased by 4 times and fixed at about 21,000 m³/s. [4]
[edit] References
- ^ Noorani, A. G. (25 August 1979). "The Inundation of Morvi". Economic and Political Weekly 14 (34): 1454. http://www.jstor.org/pss/4367866. Retrieved 9 January 2012.
- ^ Noorani, A. G. (21 April 1984). "Dissolving Commissions of Inquiry". Economic and Political Weekly 19 (16): 667-668. http://www.jstor.org/stable/4373178. Retrieved 9 January 2012.
- ^ World Bank. Environment Dept. Environmental assessment sourcebook. World Bank Publications. p. 86. ISBN 978-0-8213-1845-4. http://books.google.com/books?id=QtSvTSHVxeQC&pg=PA86. Retrieved 10 January 2012.
- ^ Rao, Professor T. Shivaji. "Polavaram Dam Failure Kills 45 Lakhs Of People". http://profshivajirao.googlepages.com/polavaramdam-1. Retrieved 9 January 2012.
[edit] External links
Coordinates: 22°40′40″N 70°54′58″E / 22.67778°N 70.91611°E
there was great economic loss.flood damaged the farmland leading to decrease in productivity of crops.
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