By Jaswant Singh, H. N. Dutta
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Additional resources for Antarctica: The Most Interactive Ice-Air-Ocean Environment (Arctic Regioni and Antarctica Issues and Research)
Indicates that the ship remained in this area from February 3 to March 11, 2002. An Insight into the Ocean-Ice-Air Interactions over the East Antarctic Marine… 19 Figure 1. Shipborne acoustic sounder antenna onboard the ship Megdalena Oldendroff and Dr Pawan Kumar Sharma operating the system electronics. Figure 2. It indicates latitude and longitude that ship followed during its journey in Antarctica. The box indicates that the ship remained in this area from February 3 to March 11, 2002. 4. 37% and the rest of the data contains windy conditions, system maintenance etc.
1. Prolonged Persistence of Thermal Convection Figures 11 a-b show that there was a special case of thermal convection on February 2-3, 2002, wherein convection persisted continuously for almost 2 days, although there were timings when the winds were high. Figure 11 a. An extremely important and unusual event of continuous thermal convection over the east Antarctic ocean is a subject of great scientific value and needs in-depth investigations. This is something unique as if we see the sunlight hours, the convection can only be expected during the peak sunlight hours and that too, if we presume that there was no mixing over the ocean.
The Figure 4. shows that the surface based layer has about 275 m as the thickness, which is varying at different timings. This variability is caused by the radiative processes influenced by the prevailing wind. Also, many thermal gradients are imbedded in the inversion, as the depiction is not just one dark patch, rather, there are many colors are an integral part of it. This shows that there must be some wind blowing at the site, which intensified at 0645 hrs. Moreover, the lighter wind was blowing throughout the record as can be seen by the green colored vertical An Insight into the Ocean-Ice-Air Interactions over the East Antarctic Marine… 21 lines, indicating wind noise.
Antarctica: The Most Interactive Ice-Air-Ocean Environment (Arctic Regioni and Antarctica Issues and Research) by Jaswant Singh, H. N. Dutta