Institute of Geophysics Polish Academy of Sciences
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Precipitation measurements were made at AWS at Polish olar Station Hornsund (N77°00' E15°33') with a multi-type gauge that measured both solid and liquid. Results were into liquid water equivalent in millimeters. Precipitation measurements are slightly offset temporally, with a day defined as beginning at 6 a.m. on the observed day and ending 6 a.m. on the day after.
Hansbreen velocity along the center line (stakes 2 to 11) is measured with a Global Navigation Satellite Systems (GNSS) receiver and were manually recorded weekly for stakes 2 through 5, and monthly for stakes 6 through 11, dependent on weather conditions. Monitoring of the glacier is conducted by Institute of Geophysics Polish Academy of Science. The minimum observation times at those stakes is between 20 and 30 minutes. Total error, taking into account GNSS receiver, stake tilt, and human factor is estimated at 20 cm.