Martin Schneebeli
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View article: Seasonal evolution of snow density and its impact on thermal regime of sea ice during the MOSAiC expedition
Seasonal evolution of snow density and its impact on thermal regime of sea ice during the MOSAiC expedition Open
Snow density is a crucial parameter for sea ice modelling at the physical process level. The seasonal evolution of surface (top 3 cm) and bulk (entire layer) snow densities observed during the MOSAiC expedition was investigated and used to…
View article: Impact of contaminant size and density on their incorporation into sea ice
Impact of contaminant size and density on their incorporation into sea ice Open
Sea ice accumulates contaminants and redistributes them laterally as the ice drifts and vertically as it melts. Contaminant incorporation into sea ice must be better understood to resolve contaminant cycling and exposure to polar organisms…
View article: Seasonal evolution of snow density and its impact on thermal regime of sea ice during the MOSAiC expedition
Seasonal evolution of snow density and its impact on thermal regime of sea ice during the MOSAiC expedition Open
Snow density is a crucial parameter for snow and sea ice modelling at the physical process level. The seasonal evolution of surface (top 3 cm) and bulk (entire layer) snow densities observed during MOSAiC expedition were investigated and u…
View article: Snow Microstructure over Antarctic Landfast Ice
Snow Microstructure over Antarctic Landfast Ice Open
Landfast ice plays a significant role in climate and ecosystems in Antarctic coastal regions. From October to December 2022, we investigated the physical properties of snow and sea ice on Antarctic landfast ice in McMurdo Sound, following …
View article: Spatial-variability of snow surface and snowpack properties characterized by near-infrared diffuse reflectance imaging
Spatial-variability of snow surface and snowpack properties characterized by near-infrared diffuse reflectance imaging Open
Near-infrared diffuse reflectance imaging is well-suited to accurately characterize macro- and microscopic properties of snow.1 The technique's versatility and capability to resolve details down to the millimeter-scale, while simultaneousl…
View article: Advancing snow grain classification for snow micro-penetrometer signals using machine learning
Advancing snow grain classification for snow micro-penetrometer signals using machine learning Open
The layered nature of snow is a key characteristic of the seasonal alpine snowpack. In fact, snow stratigraphy influences all physical processes e.g., mechanical or thermal behavior. In order to describe these physical processes precisely,…
View article: Arctic surface snow interactions with the atmosphere: Spatio-temporal isotopic variability during the MOSAiC expedition
Arctic surface snow interactions with the atmosphere: Spatio-temporal isotopic variability during the MOSAiC expedition Open
Snow on sea ice is crucial in moderating sea ice and atmosphere interactions, yet fully grasping snow’s isotopic composition and the processes shaping it presents substantial challenges, including sublimation and wind redistribution. This …
View article: Characteristics and effects of aerosols during blowing snow events in the central Arctic
Characteristics and effects of aerosols during blowing snow events in the central Arctic Open
Sea salt aerosol (SSaer) significantly impacts aerosol-radiation and aerosol-cloud interactions, and sublimated blowing snow is hypothesized to be an important SSaer source in polar regions. Understanding blowing snow and other wind-source…
View article: Iodine speciation in snow during the MOSAiC expedition and its implications for Arctic iodine emissions
Iodine speciation in snow during the MOSAiC expedition and its implications for Arctic iodine emissions Open
Photolysis of iodide in surface snow is a plausible mechanism for supplying reactive volatile iodine to the Arctic atmosphere.
View article: Exploring the decision-making process in model development: focus on the Arctic snowpack
Exploring the decision-making process in model development: focus on the Arctic snowpack Open
The Arctic poses many challenges for Earth system and snow physics models, which are commonly unable to simulate crucial Arctic snowpack processes,such as vapour gradients and rain-on-snow-induced ice layers. These limitations raise concer…
View article: Comment on egusphere-2024-719
Comment on egusphere-2024-719 Open
Abstract. The Arctic Ocean’s snow cover is crucial in moderating interactions between sea-ice and the atmosphere, yet fully grasping its isotopic composition and the processes shaping it presents substantial challenges. This study employs …
View article: Arctic Surface Snow Interactions with the Atmosphere: Spatio-Temporal Isotopic Variability During the MOSAiC Expedition
Arctic Surface Snow Interactions with the Atmosphere: Spatio-Temporal Isotopic Variability During the MOSAiC Expedition Open
The Arctic Ocean’s snow cover is crucial in moderating interactions between sea-ice and the atmosphere, yet fully grasping its isotopic composition and the processes shaping it presents substantial challenges. This study employs a unique d…
View article: Supplementary material to "Arctic Surface Snow Interactions with the Atmosphere: Spatio-Temporal Isotopic Variability During the MOSAiC Expedition"
Supplementary material to "Arctic Surface Snow Interactions with the Atmosphere: Spatio-Temporal Isotopic Variability During the MOSAiC Expedition" Open
Figure S1 Monthly d-excess variations are presented as boxplots, for vapour (pink
View article: Comment on egusphere-2023-2926
Comment on egusphere-2023-2926 Open
Abstract. The Arctic poses many challenges to Earth System and snow physics models, which are unable to simulate crucial Arctic snowpack processes, such as vapour gradients and rain-on-snow-induced ice layers. These limitations raise conce…
View article: Snowpack Stability Prediction with Machine Learning
Snowpack Stability Prediction with Machine Learning Open
Snow avalanches are destructive hazards, impacting life and infrastructure in snow-covered mountain regions around the world. Avalanche warning and management are essential in those regions and involve a diversity of tasks, ranging from nu…
View article: Determining snow material properties from near-infrared photography
Determining snow material properties from near-infrared photography Open
It is well understood that snow is a complex, porous material, whose microstructural changes directly affect its physical properties. Therefore, – to gauge the snow's role within the climate system – it is of interest to accura…
View article: A call for funding bodies to influence the reduction of environmental impacts in remote scientific fieldwork
A call for funding bodies to influence the reduction of environmental impacts in remote scientific fieldwork Open
Macfarlane AR, Ben-Ari T, Blanc G, et al. A call for funding bodies to influence the reduction of environmental impacts in remote scientific fieldwork. Frontiers in Sustainability. 2024;5: 1338660.
View article: Exploring the decision-making process in model development: focus on the Arctic snowpack
Exploring the decision-making process in model development: focus on the Arctic snowpack Open
The Arctic poses many challenges to Earth System and snow physics models, which are unable to simulate crucial Arctic snowpack processes, such as vapour gradients and rain-on-snow-induced ice layers. These limitations raise concerns about …
View article: Isotopic signatures of snow, sea ice, and surface seawater in the central Arctic Ocean during the MOSAiC expedition
Isotopic signatures of snow, sea ice, and surface seawater in the central Arctic Ocean during the MOSAiC expedition Open
The Arctic Ocean is an exceptional environment where hydrosphere, cryosphere, and atmosphere are closely interconnected. Changes in sea-ice extent and thickness affect ocean currents, as well as moisture and heat exchange with the atmosphe…
View article: Temporospatial variability of snow's thermal conductivity on Arctic sea ice
Temporospatial variability of snow's thermal conductivity on Arctic sea ice Open
Snow significantly impacts the seasonal growth of Arctic sea ice due to its thermally insulating properties. Various measurements and parameterizations of thermal properties exist, but an assessment of the entire seasonal evolution of ther…
View article: The historical Greenland Climate Network (GC-Net) curated and augmented level-1 dataset
The historical Greenland Climate Network (GC-Net) curated and augmented level-1 dataset Open
The Greenland Climate Network (GC-Net) consists of 31 automatic weather stations (AWSs) at 30 sites across the Greenland Ice Sheet. The first site was initiated in 1990, and the project has operated almost continuously since 1995 under the…
View article: Ocean-sourced snow: An unaccounted process on Arctic sea ice
Ocean-sourced snow: An unaccounted process on Arctic sea ice Open
The water isotope composition of the winter snow cover on Arctic sea ice is strongly enriched in heavy isotopes near the snow-sea ice interface, incompatible with typical enrichment values through snow metamorphism processes alone. Our str…
View article: Retrieval of Snow Depth on Arctic Sea Ice From Surface‐Based, Polarimetric, Dual‐Frequency Radar Altimetry
Retrieval of Snow Depth on Arctic Sea Ice From Surface‐Based, Polarimetric, Dual‐Frequency Radar Altimetry Open
Snow depth on sea ice is an Essential Climate Variable and a major source of uncertainty in satellite altimetry‐derived sea ice thickness. During winter of the MOSAiC Expedition, the “KuKa” dual‐frequency, fully polarized Ku‐ and Ka‐band r…
View article: Automatic snow type classification of snow micropenetrometer profiles with machine learning algorithms
Automatic snow type classification of snow micropenetrometer profiles with machine learning algorithms Open
Snow-layer segmentation and classification are essential diagnostic tasks for various cryospheric applications. The SnowMicroPen (SMP) measures the snowpack's penetration force at submillimeter intervals in snow depth. The resulting depth–…
View article: Reply on RC3
Reply on RC3 Open
Abstract. The Greenland Climate Network (GC-Net) consists of 31 automatic weather stations (AWS) at 30 sites across the Greenland ice sheet. The first site was initiated in 1990, and the project has operated almost continuously since 1995 …
View article: Uptake of Hydrogen Peroxide from the Gas Phase to Grain Boundaries: A Source in Snow and Ice
Uptake of Hydrogen Peroxide from the Gas Phase to Grain Boundaries: A Source in Snow and Ice Open
Hydrogen peroxide is a primary atmospheric oxidant significant in terminating gas-phase chemistry and sulfate formation in the condensed phase. Laboratory experiments have shown an unexpected oxidation acceleration by hydrogen peroxide in …
View article: Comment on essd-2023-147
Comment on essd-2023-147 Open
Abstract. The Greenland Climate Network (GC-Net) consists of 31 automatic weather stations (AWS) at 30 sites across the Greenland ice sheet. The first site was initiated in 1990, and the project has operated almost continuously since 1995 …
View article: Spatial variability of Saharan dust deposition revealed through a citizen science campaign
Spatial variability of Saharan dust deposition revealed through a citizen science campaign Open
Saharan dust outbreaks have profound effects on ecosystems, climate, human health, and the cryosphere in Europe. However, the spatial deposition pattern of Saharan dust is poorly known due to a sparse network of ground measurements. Follow…
View article: Snow Loss Into Leads in Arctic Sea Ice: Minimal in Typical Wintertime Conditions, but High During a Warm and Windy Snowfall Event
Snow Loss Into Leads in Arctic Sea Ice: Minimal in Typical Wintertime Conditions, but High During a Warm and Windy Snowfall Event Open
The amount of snow on Arctic sea ice impacts the ice mass budget. Wind redistribution of snow into open water in leads is hypothesized to cause significant wintertime snow loss. However, there are no direct measurements of snow loss into A…