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Victoria University Antarctic Research Expedition Science and Logistics Reports 2008-09: VUWAE 53

c. Preliminary results and discussions

c. Preliminary results and discussions

Both weather stations at Evans Piedmont Glacier (EPG) and Skinner Saddle (SKS) were operational and collected data over the last season. Below the data are shown.

Our weather data show that over the past year snow accumulation at the two sites varied. EPG received a total of 50cm snow, predominantly during the summer period. SKS received a total of 1.60m snow accumulation, precipitating throughout the year. Our data suggest that both sites have above average snow accumulation making them high resolution climate recorders.

Fig. 4: AWS data recovered this year from Evans Piedmont Glacier

Fig. 4: AWS data recovered this year from Evans Piedmont Glacier

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Maximum summer temperature at EPG and SKS reached +12°C and +5°C, respectively. Minimum winter temperature at EPG and SKS reached −42°C and −45°C, respectively. At both sites battery voltage never dropped below 12V, despite the solar panel being buried at SKS for the crucial spring period.

Fig.5: AWS data recovered this year from Skinner Saddle. The spiky, high snow accumulation data peaks indicate times when the snow sensor was ice covered. For reconstructing true snow accumulation, minimum base line is used.

Fig.5: AWS data recovered this year from Skinner Saddle. The spiky, high snow accumulation data peaks indicate times when the snow sensor was ice covered. For reconstructing true snow accumulation, minimum base line is used.