Overview: quasi-Lagrangian observations of Arctic air mass transformations – introduction and initial results of the HALO–() aircraft campaign

M Wendisch, S Crewell, A Ehrlich… - Atmospheric …, 2024 - acp.copernicus.org
Global warming is amplified in the Arctic. However, numerical models struggle to represent
key processes that determine Arctic weather and climate. To collect data that help to …

The arctic amplification and its impact: A synthesis through satellite observations

I Esau, LH Pettersson, M Cancet, B Chapron… - Remote Sensing, 2023 - mdpi.com
Arctic climate change has already resulted in amplified and accelerated regional warming,
or the Arctic amplification. Satellite observations have captured this climate phenomenon in …

MOSAiC-ACA and AFLUX-Arctic airborne campaigns characterizing the exit area of MOSAiC

M Mech, A Ehrlich, A Herber, C Lüpkes, M Wendisch… - Scientific data, 2022 - nature.com
Two airborne field campaigns focusing on observations of Arctic mixed-phase clouds and
boundary layer processes and their role with respect to Arctic amplification have been …

Contrasting extremely warm and long-lasting cold air anomalies in the North Atlantic sector of the Arctic during the HALO- campaign

A Walbröl, J Michaelis, S Becker, H Dorff… - Atmospheric …, 2024 - acp.copernicus.org
How air masses transform during meridional transport into and out of the Arctic is not well
represented by numerical models. The airborne field campaign HALO-(AC) 3 applied the …

Marine Cold‐air Outbreak snowfall in the north Atlantic: A CloudSat perspective

ME Mateling, C Pettersen, MS Kulie… - Journal of …, 2023 - Wiley Online Library
This study analyzes the influence of marine cold‐air outbreaks (MCAO) on snowfall and
cloud properties in the North Atlantic Ocean using CloudSat observations. Comparing …

Clouds and precipitation in the initial phase of marine cold-air outbreaks as observed by airborne remote sensing

I Schirmacher, S Schnitt, M Klingebiel… - Atmospheric …, 2024 - acp.copernicus.org
Marine cold-air outbreaks (MCAOs) strongly affect the Arctic water cycle and, thus, climate
through large-scale air mass transformations. The description of air mass transformations is …

Evaluating causal arctic‐midlatitude teleconnections in cmip6

E Galytska, K Weigel, D Handorf… - Journal of …, 2023 - Wiley Online Library
To analyze links among key processes that contribute to Arctic‐midlatitude teleconnections
we apply causal discovery based on graphical models known as causal graphs. First, we …

[HTML][HTML] Constraints on simulated past Arctic amplification and lapse rate feedback from observations

O Linke, J Quaas, F Baumer, S Becker… - Atmospheric …, 2023 - acp.copernicus.org
The Arctic has warmed more rapidly than the global mean during the past few decades. The
lapse rate feedback (LRF) has been identified as being a large contributor to the Arctic …

Microphysical and thermodynamic phase analyses of Arctic low-level clouds measured above the sea ice and the open ocean in spring and summer

M Moser, C Voigt, T Jurkat-Witschas… - Atmospheric …, 2023 - acp.copernicus.org
Airborne in-situ cloud measurements were carried out over the northern Fram Strait between
Greenland and Svalbard in spring 2019 and summer 2020. In total, 815 minutes of low-level …

Atmospheric concentrations of black carbon are substantially higher in spring than summer in the Arctic

Z Jurányi, M Zanatta, MT Lund, BH Samset… - … Earth & Environment, 2023 - nature.com
A key driving factor behind rapid Arctic climate change is black carbon, the atmospheric
aerosol that most efficiently absorbs sunlight. Our knowledge about black carbon in the …