Results 41 to 50 of about 411 (106)

Ozone Production by Electron Irradiation of Regolith Ice: Laboratory Study for the Icy Moons

Journal of Geophysical Research: Planets, Volume 131, Issue 2, February 2026.
Abstract We irradiate fine‐grained regolith pure water ice in ultra high vacuum with 5keV $5\,\text{keV}$ and 10keV $10\,\text{keV}$ electrons to study the radiolysis of water ice. The ice regolith is designed to closely mimic the physical characteristics of the surfaces of the icy moons of the Solar System.
Lorenzo Obersnel, André Galli, Rico G. Fausch, Rafael Ottersberg, Peter Wurz   +4 more
wiley   +1 more source

Spatiotemporal variability of turbulent fluxes in snow-covered mountain terrain

Frontiers in Earth Science
Turbulent exchange of heat and moisture plays an important role in snow cover dynamics. Although these processes are subject to great spatial and temporal variability, especially in complex terrain, measurements of heat, moisture, and momentum fluxes are
Rainette Engbers, Rainette Engbers, Sergi Gonzàlez-Herrero, Franziska Gerber, Nander Wever, Michael Lehning, Michael Lehning   +6 more
doaj   +1 more source

Risks for human health related to the presence of plant lectins in food

EFSA Journal, Volume 24, Issue 1, January 2026.
Abstract The European Commission asked the European Food Safety Authority (EFSA) to assess the risk related to the presence of plant lectins in food. Based on the available evidence, the CONTAM Panel considered only phytohaemagglutinin (PHA), a legume lectin from beans (Phaseolus sp.), for the risk characterisation.
EFSA Panel on Contaminants in the Food Chain (CONTAM), Helle Katrine Knutsen, Agneta Åkesson, Vasileios Bampidis, Margherita Bignami, Laurent Bodin, James Kevin Chipman, Gisela Degen, Antonio Hernández‐Jerez, Tim Hofer, Christer Hogstrand, Stefano Landi, Jean‐Charles Leblanc, Kyriaki Machera, Isabelle P. Oswald, Guido Rychen, Salomon Sand, Katharina Vejdovszky, Barbara Viviani, Hanne Frøkiær, Bettina Grasl‐Kraupp, Patrick Mulder, Pierre Rougé, Heather Wallace, Marios Georgiadis, José Ángel Gómez Ruiz, Eirini Kouloura, Olaf Mosbach‐Schulz, Lydia Alarcón Asensio, Eleni Gkimprixi, Evangelia Ntzani   +30 more
wiley   +1 more source

Modeling Crack Arrest in Snow Slab Avalanches—Toward Estimating Avalanche Release Sizes

Journal of Geophysical Research: Earth Surface, Volume 130, Issue 12, December 2025.
Abstract Dry‐snow slab avalanches are the most fatal type of avalanches, beginning with the failure of a weak snow layer below cohesive slabs. This failure can propagate within the weak layer, causing the overlying slab to fracture and slide. Avalanche forecasters are interested in evaluating crack propagation propensity and potential avalanche sizes ...
Francis Meloche, Grégoire Bobillier, Louis Guillet, Francis Gauthier, Alexandre Langlois, Johan Gaume   +5 more
wiley   +1 more source

Environmental evolution of cover deposits on chemically distinctive bare ground, New Zealand: review and temporal contexts

New Zealand Journal of Geology and Geophysics, Volume 68, Issue 5, Page 1120-1152, December 2025.
ABSTRACT Chemically distinctive features such as high salinity, low nutrient contents, and extremes of pH can limit the development of a vegetation cover on soil‐free bare ground. This study synthesises our previous work on the geoecology of numerous chemically distinctive bare sites in the South Island and adds a temporal component within the last ...
Dave Craw, Cathy Rufaut
wiley   +1 more source

Unveiling Flight Operation Hazards’ Interrelation via TEM Model and Network Analysis

International Journal of Computational Intelligence Systems
Recent severe aviation accidents have underscored the intricate challenges within the aviation system, necessitating a more comprehensive understanding of hazards’ interrelation in flight operation.
Peng He, Zhaoning Zhang, Ruishan Sun
doaj   +1 more source

Possible Pliocene loess formation caused by tectonic uplift and aridification in Central Otago, New Zealand

New Zealand Journal of Geology and Geophysics, Volume 68, Issue 5, Page 1232-1248, December 2025.
ABSTRACT Loess is a patchy but widespread constituent of East and Central Otago (South Island, New Zealand), where it attests to extensive aerial mobilisation and deposition of fine‐grained sediment. While most Otago loess deposits formed in the Pleistocene, we examine massive, fine‐grained but clay‐altered, Pliocene beds in Central Otago that may be ...
James M. Scott, Marshall C. Palmer, Petrus J. le Roux, Chris Harris, Dave Craw   +4 more
wiley   +1 more source

Mapping Radar Glacier Zones and Dry Snow Line in the Antarctic Peninsula Using Sentinel-1 Images

Remote Sensing, 2017
Surface snowmelt causes changes in mass and energy balance, and endangers the stabilities of the ice shelves in the Antarctic Peninsula (AP). The dynamic changes of the snow and ice conditions in the AP were observed by Sentinel-1 images with a spatial ...
Chunxia Zhou, Lei Zheng
doaj   +1 more source

Evaluating machine‐learning models for wind‐speed downscaling from ECMWF‐IFS data

Quarterly Journal of the Royal Meteorological Society, Volume 151, Issue 773, October 2025 Part B.
We benchmark recent machine‐learning methods for downscaling wind speeds from a low‐resolution 9‐km model input to 1‐km predictions. We include recent super‐resolution approaches and transformer‐based architectures and propose Windflow‐SRnet. The models are trained with input data from the ECMWF‐IFS numerical weather model to predict label data from ...
William Ericson, Florian Achermann, Nicholas Lawrance, Julie Villinger, Olov Andersson, Roland Siegwart   +5 more
wiley   +1 more source

Detection and mapping of supraglacial lakes on East Antarctic margin using Landsat 8 OLI during 2014–2023

Geocarto International
Using an optical band index generated from Landsat 8 OLI data, an inventory of Antarctic supraglacial lakes (size >0.01 km2) during 2014–2023 is presented. Shaded snow, cloud and rock shadow were removed by using a band-based filter.
Rahul Pandey, Alvarinho J. Luis
doaj   +1 more source