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Figure 1: Time distribution of the measurements as a function of hour of the day and month. |
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Figure 2: Mean monthly wind speed at Dome C and Dome C II from the beginning of 1984 to the end of 2003. |
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Figure 3: Wind rose, showing the probability that the wind will be of a particular speed and in a particular direction, for Dome C and Dome C II combined, for the same period as in Fig. 2. |
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Figure 4: Mean wind speed profile at Dome C. The two outer lines delimit the standard deviation. |
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Figure 5: 200 mB wind speed distribution. |
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Figure 6: Average wind direction profile as a function of altitude. |
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Figure 7: typical wind speed profiles at a) Dome C, b) Paranal (Chile), c) Mauna Kea (Hawaii) d) and South Pole. In the case of the Dome C and South Pole, the profile in dashed line is representative of the end of winter while the full line is a typical summer profile. Note: the altitude is here expressed from sea level. |
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Figure 8: Monthly average temperatures at South Pole (Schwerdtfeger 1984) and Dome C. |
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Figure 9: Mean temperature profile. The two outer lines delimit the standard deviation. |
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Figure 10: Temperature profiles for different time periods. The second graph focuses on the inversion zone. |
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Figure 11: Left: temperature profiles taken at regular intervals on the 25/01/03; center: temperature profiles representative of the indicated hour measured using a pulley; right: temperature profiles taken at regular intervals on the 24/01/04. |
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Figure 12: Temperature gradient, wind speed gradient and Richardson number profile for a typical data set. |
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Figure 13: Temperature gradient, wind speed gradient and Richardson number profile for a typical data set. |
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