Experimental observation on the characteristics of the near-surface turbulence over the Antarctic ice sheets during the polar day period |
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| Authors: | Bian Lingen Lu Longhua Jia Pengqun |
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| Institution: | (1) Chinese Academy of Meteorological Sciences, 100081 Beijing, China |
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| Abstract: | Based on the ultrasonic anemometer/thermometer data in the East Antarctic coastal area ice sheets ob-tained first by Chinese
scientists, turbulent intensity, kinetic energy and sensible heat of turbulence, surface roughness height drag coefficient
and normalized variation were calculated and analysed using the eddy-correlation method. The results show that the values
of roughness height and drag coefficient are 4.3 X 10 m and 1.8x 10 -3, respectively. These turbulent parameters have apparent diurnal variations.
Project supported by the National Natural Science Foundation of China (Grant No. 49675252). |
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| Keywords: | Antarctic ice sheets atmospheric turbulence roughness drag coefficient |
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