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A decametre (International spelling as used by the International Bureau of Weights and Measures and by most English speaking countries, [1] [2] United States spelling dekameter or decameter [3] [4]), symbol dam ("da" for the SI prefix deca-, [1] "m" for the SI unit metre), is a unit of length in the International System of Units (SI) equal to ten metres.
In addition, the placement of the Temperance Flat Dam at RM 274 would reduce the capacity of Millerton Lake by 75,000 acre feet, a capacity greater than 150 of California's current reservoirs. Local Native American tribes have identified 30 sensitive sites within the Temperance Flat study area, one of which was defined by the Native American ...
Oahe Dam [2] United States: 1963 70.3 75 29 786 TE/ER 6 Mangla Dam Pakistan: 1967 65.4 147 7.25 1,000 TE or TE/ER 7 Gardiner Dam [6] Canada: 1967 65.4 64 9.4 186 TE 8 Oroville Dam United States: 1968 59.6 230 4.36 819 TE/ER 9 San Luis Dam (BF Sisk Dam) United States: 1967 59.6 93 2.52 424 TE 10 Nurek Dam Tajikistan: 1980 54 300 10.5 3,200 TE 11 ...
The upper reservoir can hold about 1.5 billion US gallons (4,600 acre-feet; 5.7 million cubic metres) of water behind a wall nearly 100 feet (30 m) tall. [12] It sits 760 feet (230 m) above the 450 MW hydroelectric plant, which gives it a greater head than that of Hoover Dam. The two are connected by a 7,000-foot (2,100 m) tunnel bored through ...
The dam created a reservoir in a remote gorge of the Periyar river situated 3,000 feet above the sea in dense and malarial jungle, and from the northerly arm of this manmade waterbody, the water flowed first through a deep cutting for about a mile and then through a tunnel, 5704 feet in length and later through another cutting on the other side ...
An adult human foot is about 28 cm (11 in) long. The decimetre ( SI symbol: dm ) is a unit of length in the metric system equal to 10 −1 metres ( 1 / 10 m = 0.1 m ). To help compare different orders of magnitude , this section lists lengths between 10 centimeters and 100 centimeters (10 −1 meter and 1 meter).
The dam creates Stanley Reservoir. The Mettur Hydro Electrical power project is also quite large. The dam, the park, the major hydroelectric power stations, and hills on all sides make Mettur a tourist attraction. Upstream from the dam is Hogenakkal Falls. The maximum level of the dam is 120 ft (37 m) and the maximum capacity is 93.47 tmc ft.
The dam features a navigation lock plus fish ladders on both sides. The John Day Lock has the highest lift (at 110 feet or 34 meters) of any U.S. lock. [4] The reservoir impounded by the dam is Lake Umatilla, [5] and it runs 76.4 miles (123.0 km) up the river channel to the foot of the McNary Dam.