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Notes from the Field

On The Road Again

January 2nd, 2018 by Kate Ramsayer

By the time this hits the press, we will be well on our way. After building the sleds, tuning up the PistenBullys, and going for a couple of test drives around the station, we are about as ready as we are ever going to be. Onward!

Our route travels north along the South Pole Operational Traverse route for about 100km, then turns left and heads out to 87.979 degrees south. 750 kilometers of the great flat white!

While on the road, we will be staying the tents that Kelly described in her last post. Really, tents? Isn’t it cold down there? We expect the daytime temperatures to be in the -20F to -30F (-29C to -34C) range with relatively light winds and sunny skies. These tents warm up nicely in the sun, and will warm up to a good 30 degrees warmer than the outdoor air temperature. That makes the interior a balmy 10F (-12C), which is really not too bad.

Our kitchen tent is the largest tent and will accommodate all four of us. Along the back wall, we have fashioned a counter out of a box and an aluminum kitchen table. The cooking supplies, including a two-burner stove that uses white gas, are stored either in the box, or in the two purple kitchen boxes.  Generally, only one or two of us are in here at a time when cooking, as a little elbow room goes a long way.

Who wouldn’t want to cook in here – look at that counter space!

We each have our own mountain tent for sleeping. It’s always nice to have some personal space, and the multiple air mattresses, foam pads, and super warm sleeping bags make for a pretty comfortable evening. A couple of Christmas lights, some magazines, and it’s home sweet home for the next three weeks.

A super-warm down sleeping bag, plus Christmas lights, make for a comfortable tent.

Days are spent in our PistenBullys, collecting the GPS data of the ice sheet surface using survey-grade GPS systems that will be a critical piece of the ICESat-2 validation effort. We will spend about 300 kilometers around the 87.979 S line of latitude where the ICESat-2 data will be the densest. By comparing our measurements of the ice sheet elevation from the ground traverse, with the elevation measured by ICESat-2 on orbit, we will assess the quality of our on-orbit data and make any corrections necessary. We aim to cover our route in about three weeks and be back here at South Pole around mid-January. Happy New Year, and happy birthday Mom!

We’ll catch you in a couple of weeks!

-Tom and Kelly