Major construction projects to improve
the electrical generating capacity and
communications links at the National Science
Foundation's Amundsen-Scott South Pole
Station were completed this month, despite
extreme weather conditions in Antarctica
that have hampered cargo flights.
The new power plant, which went online
on January 20, will increase the station's
peak generating capacity to one megawatt
of electrical energy, while providing
three levels of backup redundancy. On
January 18, meanwhile, personnel at the
station, conducted a successful test of
a new satellite ground station. Employees
of Raytheon Polar Services Company, NSF's
logistical contractor in Antarctica, worked
closely with a number of government agencies
and sub-contractors to achieve these successes.
"These projects help set the stage for
future generations of world-class scientific
research at the South Pole," said Karl
Erb, who heads the U.S. Antarctic Program.
"The advantages of the polar environment
for research into the origins of the universe,
as well as for studies of the ozone hole
and a number of other topics of global
importance, far outweigh the difficulties
of working in this hostile environment."
The Pole's isolation and extreme environment
make an adequate and stable power source
and reliable communications crucial to
safety. Because aircraft cannot land at
Pole for eight months of the year, the
station is in some respects more like
an observatory operating on the moon than
on earth.
The nine-meter satellite dish will connect
the Pole with the commercial MARISAT-
F2 and NSF's GOES-3 satellites. The system
will transfer the large quantities of
scientific data gathered each day in the
year-round work at the South Pole, back
to universities and laboratories in the
U.S., for analysis. The new capability
will supplement coverage provided by NASA
and U.S. Air Force satellites.
The new telecommunications link will increase
the number of hours that the station can
communicate with the world outside Antarctica
and double the available communications
bandwidth. In addition to advancing the
research these capabilities will help
in mitigating any medical emergencies
at the station during the winter months.
Apart from final testing, the transfer
of generating capability to the new power
plant completes a multi-year environmental
and safety upgrade of existing facilities
which also includes construction of new
fuel storage, garage, and shop facilities.
The environmental and communications upgrades
respond to recommendations made in 1997
by an independent panel Chaired by Norman
Augustine. The panel recommended that
the U.S. invest in the safety and environmental
upgrades and the subsequent reconstruction
of the 25-year-old station for important
scientific and geopolitical reasons. "The
U.S. would not send a ship to sea or a
spacecraft to orbit in the condition of
some of the facilities in Antarctica,
particularly the one at the South Pole,"
noted the report "The United States in
Antarctica."
The station reconstruction project builds
on the now completed environmental and
safety upgrades. It began last season
with the erection of a tower linking the
sub-surface fuel storage, garage and shop
facilities to the elevated sections of
the planned new station. The elevated
sections will contain housing, food service
and laboratory spaces and will be completed
over the next five years.
|
 |

Tunnels that house subsurface portions
of the new South Pole station, including
the power plant, with the dome of the
existing Amundsen-Scott South Pole Station
in the background. Photo by Peter West,
NSF

Two images of the Marisat facility as
it was assembled, prior to completion.
Photo by Jerry Marty, NSF

Two images of the Marisat facility as
it was assembled, prior to completion.
Photo by Jerry Marty, NSF

The framework of the new Amundsen-Scott
South Pole station as it looked in early
December.
Photo by Peter West, NSF

The exterior of the new station as it
looked in late January. Photo by John
Rand, NSF
|