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

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。

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.