DATA-LOGGING AUTOMATIC WEATHER STATION ALONG THE TRAVERSE ROUTE FROM SYOWA STATION TO DOME FUJI

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This paper introduces the unmanned meteorological observation system along the traverse route to Dome Fuji (3810m a.s.l.), and summarizes the results of the low temperature test and operation in the Antarctic. The Japanese Antarctic Research Expedition (JARE) recently extended a regular research route to Dome Fuji. From the climatological point of view, this area has one of the sparsest meteorological data networks in Antarctica. In order to obtain meteorological data in this area, automatic weather stations (AWS) using data loggers were tested in a cold box and installed at Dome Fuji, Relay Point (3300m a.s.l.), Mizuho Station (2230m a.s.l.) and S25 (840m a.s.l.) in the coastal region, and A2 on the fast-ice, during JARE-34 in 1992-1994.The observation sites between Relay Point and Syowa Station were checked in January 1994. It was confirmed that the data loggers worked successfully through the year in 1993,but there were interruptions in the wind data. It can be concluded that the data logger is satisfactory for use in inland Antarctica, but problems remain to improve sensors and to arrange fail-safe setting of loggers and instruments.
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