The journey of an American adventurer to Antarctica has sparked heightened interest in the remote and mysterious part of the world. Close to five million square miles, which make up Antarctica are covered in the world?s largest ice mass. The thickness of this ice sheet isn?t really known.  Some scientists suggest it may be 2000 feet thick, others say it is much thicker. All of the solid land, minus the most tall mountains and some of the coastal areas, have been covered in ice. Visit this site for further information on antarctica cruises.

 

The valleys between the high mountains serve as a highway for the enormous glaciers as ice moves down to the sea. If you are seeking the South Pole, you?ll need to visit the central plateau.  This impressive land feature stretches some eight to ten thousand feet above sea level.

 

Geographical areas to the north lend their names to the four quadrants into which Antarctica has been divided. You would know them as the African,, Pacific and American quadrants. The coastlines of both the African and the Pacific quadrants haven?t truly been explored. Just a small section of the American quadrant’s coast has been explored, but the quadrant is very well known.  It includes the Ross Sea area.

 

The quadrant lies between the Ross Sea on the east and Queen Mary Land on the west, and includes the areas designated as Adelle Land, South Victoria Land, Wilkes Land, Oates Land and King George V Land. The Ross Barrier, which measures about 160, 000 square miles, can be found in the mountainous area near the western rim of the Ross Sea. You will gain a deeper understanding about antarctica holiday by checking out that resource.

 

On this barrier, the explorer based his camp.  It was close to the Bay of Whales, which is a harbor created by ice cliffs in the shelf face. Two volcanoes fill Ross Island.  They are called Mount Erebus and Mount Terror. Exceeding four hundred miles long, is the barrier which reaches across the Ross Sea to King Edward VII land. It measures 400 miles in width.

 

Shelf ice can only be found in Antarctica, and the barrier is the largest available example. Glaciers coming from the mountains met the Ross Sea and this created the barrier. The largest glacier is over one hundred miles long of the many glaciers which reach down from the vast interior and discharge their ice into the Ross Sea. There is still an outstanding question as to whether the Barrier sits on the bottom or rests on the ice.

 

King Edward VII land has very impressive rock outcroppings and it can be found in the Pacific quadrant, near the Ross Sea. This sector was penetrated by the explorer during his first long flight from the Bay of Whales and it is here that he observed the Scott Nunataks and the Alexandra Mountains. He discovered an island, placed fourteen peaks on the map of the territory and spotted the as yet unseen backcountry. Thanks to this explorer and his later flights, map makers may be able to finally have a complete version of the Pacific quadrant?s coastline.

 

There American quadrant houses the Coats Land, Charcot Land and Graham Land areas.  One well-known spot is the Weddell seal area, which indents into the land. Determining that Graham Land is actually a separate island from Antarctica was the result of another flying explorer attempting to evaluate the entire continent over time. There are some discussions to the possibility of the entire Antarctic continent being divided into at least two pieces underneath the icy exterior. The Ross Sea in the quadrant is opposite the Weddell Sea in the American quadrant.

 

The Antarctic Continent offers so many chances for scientific research. Geographers want to finish mapping the coast, as well as the mountain ranges and polar plateau.

 

Geologist look to the land below the ice for exploration.  They want to study the glaciers and how they?ve affected Antarctica?s land.

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Wednesday, June 30th, 2010 at 9:09 am
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