Climatological features of Mizuno Station in katabatic wind zone, East Antarctica

概要

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Climatological features of Mizuho Station are described using seasonal variations in, and frequency distributions of meteorological elements for individual months as well as the periodicities of the individual variations and cross-correlations obtained by spectral analyses on the basis of data collected in 1980. The findings follow : Air pressure obtained at Mizuho Station decreases and takes its minimum in winter. On the other hand, it keeps the almost constant value at Syowa Station during the year; therefore, the pressure difference between Mizuho and Syowa increases in winter. Air temperature shows a remarkable daily variation in summer. In winter this short-time periodic variation disappears and the semi-long periodicity of about five days comes about. A strong wind blows constantly almost throughout the year, the annual mean being about 11m/s. A significant cross-correlation is shown between air temperature at Mizuho and air pressure at Syowa in winter.
国立極地研究所の論文