The TAMDEF PROJECT
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Project Details

The team of upto six people deploys each year to McMurdo Station
(77 50'S, 166 39'E), the largest manned base on the Antarctic continent.

We fly out to our field sites using a combination of helicopters and twin otter aircraft. At each site we have installed four or more high-quality geodetic rock pins into exposed bedrock. The pins are stainless steel and are typically glued 20-30cm into the solid rock.

We put a choke ring style antenna onto the primary pin at the site then leave the equipment unattended. During the initial years of the project we were lucky to collect a week of data per site. During recent field seasons we have routinely collected data for upto 90 days. Eight field seaons have been completed so far. We installed 23 of the sites in the first year and then added a few more each year. We now have a total of 35 sites in our network.

In 2000 and 2002 we installed continuously running remote stations at several of our TAMDEF points. Land Information New Zealand and the US Geological Survey operate the site at Cape Roberts. The USGS also adminsters two further sites, one at Mount Fleming, at the head of the Wright Valley, and one at Fishtail Point, at the mouth of the Skelton Glacier. Three further CORS were installed by OSU at Franklin Island, Westhaven Nunatak and Lonewolf Nunatak during the 2003-2004 season. Our continuous sites have proven reliable even in the harsh Antarctic Environment. To date we have collected over 1400 days of continuous data at Cape Roberts. As of February 2005, the project had archived more than 6500 site-days of data (8 DVDs of compressed data).

 

Main Contacts

Ohio State University:

Mike Willis

Terry Wilson

Stephanie Konfal

 

US Geological Survey:

Larry Hothem

Bob Glover

NSF