Balloon-borne observations and dedicated simulations of the transitions between typical states of the Arctic atmospheric boundary layer (A02)

北极大气边界层典型状态之间转变的气球观测和专门模拟（A02）

• 批准号: 289641511
• 金额: --
• 依托单位: Leibniz-Institut für Troposphärenforschung e.V. (TROPOS)
• 依托单位国家: 德国
• 项目类别: CRC/Transregios
• 资助国家: 德国
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/289641511?language=en
• 关键词: Balloon; borne; observations; dedicated; simulations

Global warming is amplified in the Arctic by various feedback processes. One example considers the typically very shallow and stable ABL in the Arctic winter characterized by a pronounced temperature inversion, leading to enhanced warming at the surface. However, the quantification of this so-called lapse rate feedback using actual measurements is lacking. Furthermore, models have major difficulties to correctly represent the shallow ABL and the low-level, distinct temperature inversion and the possible feedback processes. Using tethered balloon measurements at Station Nord in northeast Greenland at the end of winter, we aim to contribute to a better understanding of these processes.

全球变暖在北极地区被各种反馈过程放大。一个例子是北极冬季典型的非常浅和稳定的ABL，其特征是明显的逆温，导致地表变暖。然而，缺乏使用实际测量的这种所谓的递减率反馈的量化。此外，模式有很大的困难，以正确地代表浅ABL和低层，明显的逆温和可能的反馈过程。使用系留气球测量站诺德在格陵兰岛东北部在冬季结束时，我们的目标是有助于更好地了解这些过程。