Friday, December 16, 2011

Niagara Falls-The world's largest waterfall

Niagara Falls-The world's largest waterfall: what is the world's largest waterfall-The world's largest waterfall is Niagara Falls. About Niagara Falls: Niagara River lying flat, broad river, slow flow of water depth. But not far away from the waterfall, the river narrows, currents, water drop suddenly between the jump to 15 meters. With undulating terrain, which shares a turbulent flow has been at the Canada-US border, "Goat Island" separated: the most fierce of an inflow of water potential in Canada, horseshoe, which is world-famous Niagara Falls, a width of 750 m, 52.8 m drop; water potential weak at the moment the United States falls, its width of 330 meters, 55.2 meters drop. Later, the two falls of water on an avalanche, the power of thunderbolt Note the River. Niagara River between Canada and the U.S. total, the Niagara River main channel centerline for the Canada-US border. In this peaceful border, the two sides without a single soldier, freedom of movement between the two peoples. Located in the Niagara River on both sides of the sister city of Niagara Falls call. Unfortunately, U.S. residents do not see themselves in the territory of the waterfall, they have to drive across the Rainbow Bridge to Canada to watch the spectacular views of Great Falls. Niagara Falls to a unique prime renowned gardening, from around the world to introduce a lot of flowers, such as the Dutch tulip, peony in China, Japan, cherry blossoms, cactus in Mexico, there are countless violets, lilies and sheep teeth plants and so on. Downstream in the Niagara, Falls not far from a huge flower clock, from the 24,000 different plant composition, it was built in imitation of Edinburgh, Scotland, flower clock, but its volume is three times the diameter of 1.2 meters , weight 225 kg hour and minute hands, second hand length 6.3 m, weight 112.5 kg, once every quarter of an hour timekeeping. Niagara Falls have a large number of museums and antique shops, of which the most famous wax museum, which is a collection of celebrity life-like statues of ancient countries hundreds of respect.

Wednesday, December 14, 2011

The world's largest island-Greenland

The world's largest island-what is the world's largest island?

The world's largest island is Greenland.

About The world's largest island-Greenland:

Greenland (English: Greenland; Danish for: Gronland, Greenlandic for Kalaallit Nunaat) the world's largest island. Greenland area is 2,166,086 square kilometers (836,330 square miles.) North-east Greenland in North America, between the Arctic Ocean and the Atlantic . Greenland coastline of over thirty-five thousand kilometers. Greenland belongs to Denmark. Greenland's capital is Nuuk.
Greenland ice-free area an area of ​​341,700 square kilometers, but most of the North Coast and East Coast regions, the cold is almost inaccessible wilderness. Greenland inhabited area of approximately 150,000 square kilometers, mainly in the south west coast region. Greenland's vast north-south depth, there are significant regional climatic differences appear Greenland polar characteristic polar day and polar night phenomenon.

 Greenland residents are mainly located in the west and southwest, Inuit (Eskimo) people in the majority. West coast of Greenland has the world's largest fjord, cut inland 322 km. Most of Greenland settlements are located here, the capital of about 12,000 people. Greenland's Island 2 / 3 in the north of the Arctic Circle, the climate cold, only Southwest without permafrost. Greenland 5 / 6 of the land is covered by ice, the most central 3,411 m thick, with an average thickness of nearly 1,500 meters, second only to Antarctica's modern great continental glacier.

The world's longest river-River Nile ====>

The world's longest river-River Nile

The world's longest river-What is the world's largest river?

The world's longest river is the Rive Nile.

About the Rive Nile:

The River Nile flows through the eastern and northern Africa. Nile is the world's longest river, 6,670 km long. The River Nile originated in northeast Africa, Burundi highlands. Through Burundi, Rwanda, Tanzania, Uganda, South Sudan, Sudan and Egypt before emptying into the Mediterranean. Nile basin area of ​​about 3.35 million square kilometers, accounting for the African continent one-ninth of the area, at the mouth of the average annual runoff of 81 billion cubic meters. The River Nile from the cross-latitude 4 south latitude to 31 north latitude.

The Nile River Basin is divided into seven major areas: the East African Lakes Plateau, mountain rivers area, White Nile, Blue Nile area, Atbara River area, north of Khartoum, the Nile and the Nile Delta region.

Nile is a very ancient river, about 65 million years ago in the Eocene had been in existence, many changes have occurred in the river, but it is always northward flow. Updated maps in the Nile River Basin World, between Juba and Khartoum was once a lake, the lake by the then existing blue, white Nile supplies. Later, the edge of the basin above the lake, through the valley north of Khartoum, the Nile flows north along the ancient Mediterranean, thereby giving rise to the present Nile River.

Nile River Basin is one of the cradles of world civilization, the people of the region created a splendid culture and long history of development in science to make an outstanding contribution. Ancient Egypt is a prominent representative. The Nile River flows through Egypt, although only 1350 m (total length 6671 m), but it is the best natural conditions for a period, the average river width 800 to 1,000 meters deep 10 to 12 meters, and water gently. There are pyramids of ancient Egypt's cultural heritage, rich Nile papyrus, the ancient ship traveling on the Nile and the mysterious mummy. They mark the height of ancient Egyptian science and technology, while promoting the record and the history of civilization for thousands of years.


The world's largest island-Greenland ===>

The world's highest mountain-Himalayas-Mount Everest

The world's highest mountain-The world's highest mountain is what mountain?

Himalayas is the world's highest mountain.

Tibet and Nepal Himalayas at the junction of the People's Republic. Takes the shape of a giant pyramid-shaped Himalayas, from the crystalline rocks form. Elevation of 8848.13 meters (the latest data 8844.43 m above sea level), and 3.7 cm / year rate of increase. Himalayas are known as roof of the world.

Mount Everest is the highest peak of Himalayas, elevation of 8844.43 meters (October 9, 2005 published data), the highest peak on earth, located at longitude 86.9 °, latitude 27.9 °. As in the Indian plate and Eurasian plate collision zone of 1 cm per year rate is still 'tall. Mount Everest is located in the eastern section of Sino-Nepalese border, the northern slope of the People's Republic of Tibet be said County, the southern slope in Nepal, Tibetan called "Everest" means "Goddess Third."

Everest takes the shape of a giant pyramid-shaped mountain, a magnificent triumph of days, the extremely steep terrain, the environment is very complex. Snow line height: North Slope of 5800-6200 meters, the southern slope of 5500-6100 meters. Northeast ridge, south-east ridge and sandwiched three steep ridges Western Hills (north wall, eastern wall and the southwest wall.)
Everest area of ​​10 square kilometers have more than 15 mountain glaciers, the largest of the Rongbuk Glacier up to 26 km and an average thickness of 120 meters, more than 300 meters thick at the most over. Complete these types of glaciers, the upper limit is generally 7260 meters.

Schematic diagram of climbing Mount Everest:

Back in the early 19th century, Mount Everest has become the world's mountaineers and scientists want to go. However, until 1953, was by the British Edmund Hillary, Tenzing reached the first log record of success. The end of 1998, 1054 people around the world to enjoy the pinnacle of the world's special board reputation.

Geological Time

About Geological Time:
Geological time can be divided into relative age and absolute age.

Geological Time:

Narrow band Ji
Archean
 cap rock record
ancient Archean
of the Proterozoic
stretch Ji
 extend the discipline
  consolidation Chi
orogenic record
 layer invasion Chi
 Proterozoic
generation
Holocene
Neoarchean
 the beginning of Archean
  Miocene
 Oligocene
early Imbrium generation
Paleocene
 Neogene
 Paleogene
Cryogenian
 into the iron discipline
 Hadean
 hidden Mesozoic
Phanerozoic
 Mesoproterozoic
 Paleoproterozoic

About World Geography

World Geography affiliated regional geography, it is that people understand the world of science is an important aspect. From the physical geography, human geography, or a combination of both angles, using a comprehensive analysis of geography in general, inductive generalization, regional and contrast methods, showing continents, oceans, the country's profile and its internal differences and to clarify the world's major cities and the kinds of physical and human geography characteristics of things.