Europe South Asia Asia Pacific Americas Middle East Africa BBC Homepage World Service Education
BBC Homepagelow graphics version | feedback | help
BBC News Online
 You are in: Sci/Tech
Front Page 
World 
UK 
UK Politics 
Business 
Sci/Tech 
Health 
Education 
Sport 
Entertainment 
Talking Point 
In Depth 
AudioVideo 


At the South Pole
Watch the marking ceremony
 real 28k

The BBC's Richard Wilson reports
The ice is shifting all the time
 real 28k

Friday, 31 December, 1999, 17:39 GMT
South Pole is moved

Pole Larry Hothem planted the marker


Scientists working in Antarctica have repositioned the special marker post that records the exact location on the Earth's surface of the South Pole.

The special ceremony, which is always carried out on 1 January every year, is necessary because the ice pack is shifting. Over the course of 12 months, the pole, which has an inscribed plaque on top, moves by approximately 10 metres.


Pole GPS is used to find the exact location
Researchers based at the US South Pole Amundsen-Scott Station used the orbital satellites of the Global Positioning System to measure the new location to an accuracy of two centimetres.

This is known as the Geographic South Pole - the place where all the longitude lines converge.

A formal marking ceremony in front of the base population and live BBC cameras was then conducted at 1530 GMT on Friday, just a few hours after local midnight on the first day of the new year.

Line of posts

Larry Hothem from the US Geological Survey planted the post on a day when temperatures were down to around -30 degrees Celsius.

"We wish everyone, all members of the scientific community in the Antarctic and the support people in the Antarctic programme, a very happy New Year, happy century and happy millennium."


Post The top has an inscribed plaque
The marking ceremony has been taking place since the mid-1980s. A line of posts shows how the ice has moved over the years.

Both Roald Amundsen, who was first to reach the pole in 1911, and Robert Scott, who got there a month later, used an astronomical method to locate the bottom of the Earth.

Their mark would have been accurate to about 2-300 metres, but because of the shifting ice and accumulation of snow is now probably some 1,000 metres away and six metres below today's official position.

Search BBC News Online

Advanced search options
Launch console
BBC RADIO NEWS
BBC ONE TV NEWS
WORLD NEWS SUMMARY
PROGRAMMES GUIDE

See also:
09 Nov 99 |  Sci/Tech
Scott caught out by cold snap
06 Sep 99 |  Sci/Tech
Explorer's relics unfrozen
07 Dec 99 |  Sci/Tech
Antarctica's icy origins
10 Dec 99 |  Sci/Tech
Bacteria found in Antarctic ice core

Internet links:

The BBC is not responsible for the content of external internet sites
Links to other Sci/Tech stories are at the foot of the page.


E-mail this story to a friend

Links to more Sci/Tech stories