In a few days, a three-man scientific expedition called Pole Track is to embark upon a gruelling 1000 km trek across the frozen Arctic to collect valuable data for climate-change research. Throughout the demanding two-month expedition, the team will also take thousands of snow depth measurements in support of ESA’s CryoSat mission.
More at:
http://www.esa.int/export/esaLP/SEMLSIYEM4E_index_0.html