Niagara Falls are the most powerful waterfall in North America. This large waterfalls on the Niagara River, Lake Erie drains located in Lake Ontario and forms the international border between the Canadian province of Ontario and the U.S. state of New York and forms the southern end of the Niagara Gorge. The falls are 17 miles (27 km) northwest of Buffalo, New York and 75 miles (121 km) south-southeast of Toronto, between the twin cities of Niagara Falls, Ontario and Niagara Falls, New York.
Introduction:

The Horseshoe Falls on the Canadian side and American Falls on the American side of Niagara Falls consist of two major sections separated by Goat Iceland. Veil Falls Bridal small are also located on the American side, separated from the main falls by Luna Island. The international boundary was originally drawn up by the Horseshoe Falls in 1819, but the border has long been in conflict because of natural erosion and construction.
In a report, Latest CNN News repoted that Niagara Falls were formed when glaciers at the end of the Wisconsin glaciation (the last ice age) declined, and lake water formedGreat newly carved a path through the Niagara Escarpment in route to the Atlantic Ocean. While not exceptionally high, Niagara Falls is very wide. More than 6 million cubic feet (168,000 m3) of water falling on the ridge line every minute in high flow and almost 4 million cubic feet (110,000 m3) on average.
Niagara Falls are both for their beauty and as a valuable source of hydroelectric power known. Managing the balance between recreational applications, business and industry is a challenge for administrators of the fall from the 19 century.
Features:
The Horseshoe Falls drop about 173 feet (53 meters), while the height of the American Falls ranges between 70 to 100 m (21-30 m) due to the presence of giant boulders at the base. The Horseshoe Falls are about 2,600 feet (790 m) wide, while the American Falls 1060 feet (320 m) wide. The distance between the end of the American Falls and the eastern tip of Canada 3409 feet (1039 m).
The volume of water approaching the falls during peak flow season, sometimes as much as 202,000 cubic feet (5700 m3) per second. As the flow is a direct function of the survey of Lake Eriewater, it usually peaks in late spring or early summer. During the summer months, 100,000 cubic feet (2800 m3) of water per second through the grave, some 90% above the Horseshoe Falls, while the rest is diverted to hydroelectric facilities. It is using a dam with movable gates upstream from the Horseshoe Falls. The waterfalls continue to flow half at night and during low season in winter, remains a flat 50,000 cubic feet (1400 m3) per second. Diversion of water is regulated by the Treaty of Niagara in 1950 and is administered by the International Narcotics Control Board of Niagara (CMI).
The green color of the water flowing over Niagara Falls by-product of the estimated 60 tons / minute of dissolved salts and "rock flour" (very finely ground rock) is due to the erosive power of the Niagara River generates itself. The current rate of erosion is about 1 foot (0.30 m) per year, against a historical average of 3 feet (0.91 meters) per year. However, estimated that 50,000 years from now, it has also been undermined by erosion of the reduced rate, the remaining 20 miles (32 km) for Lake Erie and falls cease to exist.
History:
Lates CNN News: There are different theories about the origin of the name of the event. According to Iroquoian scholar Bruce Trigger "Niagara" in the name of a branch of the Confederation of locally based indigenous neutral, the so-called "Niagagarega" people on several late 17th Century French maps of the area described is derived. According to George R . Stewart, it comes from the name of a town called Iroquois "Ongniaahra" which means "to cut off the earth in two." Henry Schoolcraft reported:
"This name is Mohawk Niagara Falls is, according to Ms. Kerr, the neck. The first term of the isthmus created or portage between lakes Erie and Ontario Referring to Mr. Elliott vocabulary (Chapter XI), it is Clearly the man's neck, which is, according to the specific vocabulary, your neck is Onyar. Red Jacket Niagara pronounced the word for me in the spring of 1820, are as if written in-o-ne-ga- rah. "
During the 18th century, tourism became popular, and by mid-century it was about the most important industry. Napoleon Bonaparte's brother Jérôme visited with his wife in the early 19th century.In Caroline affair of 1837 during a rebel supply ship, the Caroline, was burned and fell on her. In March 1848, caused by ice blocking the waterfall to stop, no water (or, at best, a net) declined by nearly 40 hours. Waterwheels stopped, close the mills and factories simply down to no power. Later this year, demand passage on the Niagara River to the construction of a footbridge and then Charles Ellet, the Niagara Suspension Bridge. This was stated by John Augustus Roebling Bridge Germany Niagara Falls, replaced the suspension born in 1855th After visiting the American Civil War, when the New York Central Railroad Niagara published as a focus of pleasure and honeymoon . With the increased train traffic in 1886 Leffert Buck replaced Roebling wood and stone bridge with the steel bridge that carries trains mostly still on the Niagara River today. The first steel arch bridge near the falls was completed 1897th Now known as the Whirlpool Rapids Bridge, it carries vehicles, trains and pedestrians between Canada (through Canada Border Control) and the United United just below the falls. In 1912, a large portion of water from American Falls have frozen, but it is still a net, and the fall was in the other two locations.
In 1941, the Niagara Falls Bridge Commission, the third passage being in the immediate vicinity of Niagara Falls with the Rainbow Bridge, both pedestrian and vehicular traffic between the two countries and Canadian and U.S. customs for each country .
After the First World War, tourism is booming again that cars, which is much easier. The history of Niagara Falls in the 20th century is largely that of efforts to use energy power forhydroelectric falling, and the development of both sides that threaten the natural beauty of control.
A team of U. S. Army Corps of Engineers dammed the falls in June 1969 to clear the rocks from the base of the waterfall. Rock fall had a significant development of the rock at the bottom of the page caused the American jurisprudence, and engineers were to prevent the restoration of the rock and repair errors in any erosion of the American side of the waterfall. A temporary dam was built to divert the flow of water on the Canadian side, the dam measured 600 feet (180 m) and was attended by nearly 30,000 tons of rock. The engineers cleared debris and tested for safety and completed the project in November of this year. The temporary dam was dynamited the water flow again.
Before the late 20th century century, the north end of Horseshoe Falls in the United States flows around the rocks Terrapin, which was once connected to Iceland goat with a series of bridges. In 1955, the area between the rock and Iceland goat was filled, which makes point Terrapin. In the early 1980s, the U.S. Army Corps of Engineers and more land and diversion dams built and filled with retaining walls to force water away from the point of Terrapin. A total of 400 feet (120 m) Horseshoe Falls has been eliminated, including 100 feet (30 m) on the Canadian side. According to the author of ginger beach, Horseshoe Falls is now entirely in Canada. Other sources say "most" Horseshoe Falls in Canada.
Power generation at Niagara:
The enormous energy of Niagara Falls has long been recognized as a potential source of energy. The first known attempt to use water was in 1759 when Daniel Joncaire built a small canal above the waterfall to power his sawmill. Augustus and Peter Porter purchased this area and all of American Falls in 1805 by the government and the State of New York has expanded the original canal to provide hydraulic power for their mill and the tannery. In 1853, the Niagara Falls Hydraulic Power and Mining Company was formed that eventually the channels that were used to generate electricity to be built. In 1881, under the leadership of Jacob Schoellkopf Niagara River was built the first hydroelectric power plant. The water was 86 feet (26 m) and direct current electricity that ran the machinery of local mills and highlights some of the village streets.
The Niagara Falls Power Company, a descendant of Schoellkopf society formed society of cataract Edward Dean Adams leads, with plans to expand the capacity of Niagara Falls. In 1890, a five-member International Commission of Niagara by Sir William Thomson advised to include substantial scientific leadership on the development of hydropower capacity of Niagara on the basis of seventeen proposals but could not choose any As the project best combination for water development and sales. When Nikola Tesla, a memorial later in Niagara Falls, New York, USA was built, the three-phase alternating current power transmission, transfer distance was invented electricity possible, as Westinghouse Tesla and the AC Ames had built a hydroelectric plant and it proved to be effective. In 1893, Westinghouse Electric hired to design a system for generating an alternating current in Niagara Falls and three years later, the first major power system was created August 26, 1895 is on. The Adams Power Plant Transformer Houseremains as a symbol of the original system.
In 1896, with financing from moguls like JP Morgan, John Jacob Astor IV, and Vanderbilt, they had huge underground pipes to the turbines, the increase of 100,000 horsepower (75 MW), built and sent power as far away as Buffalo, 20 miles (32 km). Some original drawings for power transmission plants were of the Swiss Faesch & Piccard, who also created the wheels of the water originally built HP 5000.
Private companies on the Canadian side also began to use the power of the falls. The Government of the Province of Ontario, Canada finally brought the power transmission operations under public control in 1906, distributing Niagara's energy to different parts of the province.
Other hydroelectric plants were built along the Niagara River. But in 1956 disaster struck when the region was the largest hydroelectric power plant partially destroyed in a landslide. Landslides have been drastically jobs and tens of thousands of manufacturing reduced for the game. In 1957, Congress enacted the Niagara redevelopment, including the New York Power Authority granted the right to integral development of the United States, the share of hydropower potential of the Niagara River.
In 1961, when the Niagara Falls hydroelectric project first went on line, it was the largest hydroelectric plant in the western world. Today, Niagara is still the largest electricity producer in the State of New York, with a production capacity of 2.4 gigawatts (million kilowatts). Up to 375,000 U.S. gallons (1420 m3) of water per second from the Niagara River through the pipes under the city of Niagara Falls and Lewiston redirected to the Robert Moses plants. Currently between 50% and 75% of the flow of the Niagara River is diverted by four huge tunnels that arise above the falls. The water then passes through hydroelectric turbines that supply nearby areas of Canada and the United States before returning to the river beyond the falls. The water turns the turbines, power generators, converting mechanical energy into electrical energy. When power demand is low, the Lewiston devices work, so that the water again during the day, when the peak use of electricity used as a pump to transport water from the lower bay again reservoir system. Electricity demand during peak hours, the same Lewiston swapped pumps and generators are in fact similar to the Moses-conditioning.
During the tourist season, water consumption at the plant through a contract with the United States and Canada signed in 1950, limited to preserve this natural spectacle. On average, the Niagara River provides 1.5 million gallons U.S. (5700 m3) of water per second, half of which must flow over the falls during the day from April to October. During other periods of the plant, three fourths of the total amount of water available. In winter, the New York Power Authority is working with Ontario Power Generation for ice on the generation of the Niagara River disrupt or cause to prevent flooding of adjacent properties. One of their joint efforts is 8800 feet (2700 m) long boom, which prevents the accumulation of ice, but water can continue flowing downstream.
Source:
http://en.wikipedia.org/wiki/Niagara_Falls