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The flushing flow method involves partially or completely emptying the reservoir behind a dam to erode the sediment stored on the bottom and transport it downstream. [7] [6] Flushing flows aim to restore natural water and sediment fluxes in the river downstream of the dam, however the flushing flow method is less costly compared to removing dams or constructing bypass tunnels.
In the United States, each state defines what constitutes a non-jurisdictional dam. In the state of Colorado a non-jurisdictional dam is defined as a dam creating a reservoir with a capacity of 100 acre-feet or less and a surface area of 20 acres or less and with a height measured as defined in Rules 4.2.5.1. and 4.2.19 of 10 feet or less. [60]
The dam was a joint project undertaken in 1949 by the erstwhile Kingdom of Hyderabad and Madras Presidency when the construction began; [1] later, after India's constitution into a republic in 1950, it became a joint project between the governments of Madras and Hyderabad states. The construction was completed in 1953.
[10] This causes lowering of the water table (because groundwater recharge is lessened) and flooding since the amount of water that remains on the surface is greater. [11] [12] Most municipal storm sewer systems discharge untreated stormwater to streams, rivers, and bays. This excess water can also make its way into people's properties through ...
Mullaperiyar Dam (IPA: [mulːɐpːeɾijɐːr]) is a masonry gravity dam on the Periyar River of Idukki district of Indian state of Kerala.It is situated 150km south east of Kochi and 200km north east of state capital city of Trivandrum.
The dam is a composite structure of earth-cum-masonry type of 42.70 metres (140.1 ft) height above the deepest foundation level. The length of dam at the crest is 1,004 metres (3,294 ft) and the reservoir water spread area (within Goa without inter-state implications) is 24 km 2 (9.3 sq mi). [ 1 ]
Mattupatti Dam: 3.24 Idukki 10° 05' 77° 05' 27. Periyar River Sengulam Dam: 0.33 Idukki 10° 00' 77° 05' 28. Periyar River Neriamangalam Dam: 4.13 Ernakulam: 29. Periyar River Bhoothathankettu Dam: 6.08 Ernakulam: 30. Periyar River Periyar Lake 28.90 Idukki 10° 10' 76° 15' 31. Valapattanam River: Pazhassi Dam: 6.48 Kannur: 32. Karamana ...
The first hydroelectric dam in Alabama was built on the Tallapoosa River in 1902, by Henry C. Jones, an Auburn University electrical engineer, at the site of the current Yates Dam. It was destroyed in the flood of 1919 but rebuilt. The dam then belonged to the Montgomery Light & Water Power Company. In 1928 it was replaced by the Yates Dam. [6]