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Niagara Falls View from Prospect Point, Niagara Falls, New York
Niagara Falls View from Prospect Point, Niagara Falls, New York
Location Niagara Falls (Ontario, Canada & New York, USA) Type Cataract
Location Niagara Falls (Ontario, Canada & New York, USA) Type Cataract
The Niagara Falls are voluminous waterfalls on the Niagara River,
The Niagara Falls are voluminous waterfalls on the Niagara River,
Niagara Falls were formed when glaciers receded at the end of the
Niagara Falls were formed when glaciers receded at the end of the
Niagara Falls is divided into the Horseshoe Falls and the American
Niagara Falls is divided into the Horseshoe Falls and the American
The features that became Niagara Falls were created by the Wisconsin
The features that became Niagara Falls were created by the Wisconsin
1837 woodcut of Falls, from
1837 woodcut of Falls, from
There are differing theories as to the origin of the name of the falls
There are differing theories as to the origin of the name of the falls
Man and woman on Canadian side of Niagara Falls, circa 1858
Man and woman on Canadian side of Niagara Falls, circa 1858
Maria Spelterini crossing the Niagara gorge on a tightrope on July 4,
Maria Spelterini crossing the Niagara gorge on a tightrope on July 4,
The enormous energy of Niagara Falls has long been recognized as a
The enormous energy of Niagara Falls has long been recognized as a
American Falls (large waterfall on the left) and Bridal Veil Falls
American Falls (large waterfall on the left) and Bridal Veil Falls
Canadian Horseshoe falls as viewed from Skylon Tower
Canadian Horseshoe falls as viewed from Skylon Tower
Niagara Falls at night
Niagara Falls at night
The main source: http://en
The main source: http://en

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Niagara Falls View from Prospect Point, Niagara Falls, New York

содержание презентации «Niagara Falls View from Prospect Point, Niagara Falls, New York.ppt»
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1 Niagara Falls View from Prospect Point, Niagara Falls, New York

Niagara Falls View from Prospect Point, Niagara Falls, New York

2 Location Niagara Falls (Ontario, Canada & New York, USA) Type Cataract

Location Niagara Falls (Ontario, Canada & New York, USA) Type Cataract

Total height 167 ft (52 m) Number of drops 3; Horseshoe Falls, American Falls & Bridal Veil Falls Average flow rate 1833 m?/s (64,750 cu ft/s) Watercourse Niagara River

3 The Niagara Falls are voluminous waterfalls on the Niagara River,

The Niagara Falls are voluminous waterfalls on the Niagara River,

straddling the international border between the Canadian province of Ontario and the U.S. state of New York. The falls are 17 miles (27 km) north-northwest of Buffalo, New York and 75 miles (120 km) south-southeast of Toronto, Ontario, between the twincities of Niagara Falls, Ontario, and Niagara Falls, New York. Niagara Falls is composed of two major sections separated by Goat Island: Horseshoe Falls, the majority of which lies on the Canadian side of the border, and American Falls on the American side. The smaller Bridal Veil Falls are also located on the American side, separated from the main falls by Luna Island.

4 Niagara Falls were formed when glaciers receded at the end of the

Niagara Falls were formed when glaciers receded at the end of the

Wisconsin glaciation (the last ice age), and water from the newly formed Great Lakes carved a path through the Niagara Escarpment en route to the Atlantic Ocean. While not exceptionally high, the Niagara Falls are very wide. More than 6 million cubic feet (168,000 m?) of water falls over the crest line every minute in high flow,and almost 4 million cubic feet (110,000 m?) on average. It is the most powerful waterfall in North America.

5 Niagara Falls is divided into the Horseshoe Falls and the American

Niagara Falls is divided into the Horseshoe Falls and the American

Falls. The Horseshoe Falls drop about 173 feet (53 m), the height of the American Falls varies between 70–100 feet (21–30 m) because of the presence of giant boulders at its base. The larger Horseshoe Falls are about 2,600 feet (790 m) wide, while the American Falls are 1,060 feet (320 m) wide. The volume of water approaching the falls during peak flow season may sometimes be as much as 202,000 cubic feet (5,700 m3) per second. Since the flow is a direct function of the Lake Erie water elevation, it typically peaks in late spring or early summer.

6 The features that became Niagara Falls were created by the Wisconsin

The features that became Niagara Falls were created by the Wisconsin

glaciation, about 10,000 years ago. The same forces also created the North American Great Lakes and the Niagara River. All were dug by a continental ice sheet that drove through the area, deepening some river channels to form lakes, and damming others with debris. Scientists believe that there is an old valley, buried by glacial drift, at the approximate location of the present Welland Canal.

7 1837 woodcut of Falls, from

1837 woodcut of Falls, from

tats Unis d'Am?rique by Roux de Rochelle.

8 There are differing theories as to the origin of the name of the falls

There are differing theories as to the origin of the name of the falls

According to Iroquoian scholar Bruce Trigger, "Niagara" is derived from the name given to a branch of the locally residing native Neutral Confederacy, who are described as being called the "Niagagarega" people on several late 17th century French maps of the area.

9 Man and woman on Canadian side of Niagara Falls, circa 1858

Man and woman on Canadian side of Niagara Falls, circa 1858

10 Maria Spelterini crossing the Niagara gorge on a tightrope on July 4,

Maria Spelterini crossing the Niagara gorge on a tightrope on July 4,

1876

11 The enormous energy of Niagara Falls has long been recognized as a

The enormous energy of Niagara Falls has long been recognized as a

potential source of power. The first known effort to harness the waters was in 1759, when Daniel Joncaire built a small canal above the Falls to power his sawmill.

12 American Falls (large waterfall on the left) and Bridal Veil Falls

American Falls (large waterfall on the left) and Bridal Veil Falls

(smaller waterfall on the right)

13 Canadian Horseshoe falls as viewed from Skylon Tower

Canadian Horseshoe falls as viewed from Skylon Tower

14 Niagara Falls at night

Niagara Falls at night

15 The main source: http://en

The main source: http://en

wikipedia.org/wiki/Niagara_Falls

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