Upper air soundings during POLARSTERN cruise ANT-XX/1

The upper air soundings are normally performed once a day to measure vertical profiles of air pressure, temperature, relative humidity and the wind vector. Helium filled balloons (TOTEX 600 g, 800 g) were used to carry Vaisala RS92-SGPW radiosondes. Whenever possible, the launches were performed about 10 UTC. Condensed measurements (TEMP Format FM-35) were transferred without delay into the Global Telecommunication System GTS were they contribute for the world wide weather forecasts. The profile data were taken every 5-10 seconds which result in a vertical profile resolution of about 25-50 meter. The profiles start at the helideck 10 m above sea level and terminate at the burst level of the balloons, normally at heights between 25 and 37 km.

高空探测通常每日进行一次，旨在测量空气压力、温度、相对湿度以及风向的垂直分布。采用氦气填充的气球（TOTEX 600 g, 800 g）搭载 Vaisala RS92-SGPW 无线电探空仪进行探测。在条件允许的情况下，发射时间约在10 UTC进行。采用 TEMP 格式 FM-35 的浓缩测量数据及时传输至全球电信系统 GTS，为全球天气预报贡献力量。垂直剖面数据每5-10秒采集一次，从而实现约25-50米的垂直剖面分辨率。剖面数据从海平面以上10米处的直升机甲板开始，直至气球爆裂高度，通常在25至37公里的高度范围内结束。