Ice Column on the Frozen Surface of Water in China Basin Observed at Suwa

[摘要] An ice column was observed on the frozen surface of water on the morning of the 9th December. Its length was about 4cm. and its cross section was an irregular isoceles triangle, the base of which was 2.0cm. and two other sides were 1.5cm. The night was very clear and calm thoughout. The air temperature on the morning was-2.5°c at 7h am. and-4.7°c at 8h am. Total weight of ice in the Basin was about 0.8kg.

[学科分类] 大气科学