Direct measurement of optical properties of glacier ice using a photon-counting diffuse LiDAR
Journal of Glaciology, 2022 The production of meltwater from glacier ice, which is exposed at the margins of land ice during the summer, is responsible for a large proportion of glacier mass loss.
Markus Allgaier +5 more
doaj +1 more source
Brief communication: Estimating the ice thickness of the Müller Ice Cap to support selection of a drill site [PDF]
The Cryosphere, 2022 The Müller Ice Cap will soon set the scene for a new drilling project. Therefore, ice thickness estimates are necessary for planning, since thickness measurements of the ice cap are sparse. Here, three models are presented and compared: (i) a simple Semi-
A.-S. P. Zinck +2 more
doaj +1 more source
On the nonlinear viscosity of the orthotropic bulk rheology
Journal of Glaciology, 2022 We compare different ways the bulk flow nonlinearity of glacier ice can be captured in an orthotropic rheology. Specifically, we compare the unapproximated orthotropic rheology, derived from plastic potential theory, to existing approximations that ...
Nicholas M. Rathmann, David A. Lilien
doaj +1 more source
Using Icepack to reproduce ice mass balance buoy observations in landfast ice: improvements from the mushy-layer thermodynamics [PDF]
The CryosphereIcepack (v1.1.0) – the column thermodynamics model of the Community Ice CodE (CICE) version 6 – is used to assess how changing the thermodynamics from the Bitz and Lipscomb (1999) physics (hereafter BL99) to the mushy-layer physics impacts the model ...
M. Plante +8 more
doaj +1 more source
Microstructure evolution of young sea ice from a Svalbard fjord using micro-CT analysis
Journal of Glaciology, 2022 We analysed the three-dimensional microstructure of sea ice by means of X-ray-micro computed tomography. Microscopic (brine- and air- pore sizes, numbers and connectivity) and macroscopic (salinity, density, porosity) properties of young Arctic sea ice ...
Martina Lan Salomon +2 more
doaj +1 more source
Ultra-High Energy Neutrinos: A Review of Theoretical and Phenomenological Issues [PDF]
, 2000 We review the phenomenology of ultra-high energy (UHE) neutrino detection. The motivations for looking for such neutrinos stemming from observational evidence and the potential for new physics discoveries are enumerated, and their expected sources and ...
Ahmed +69 more
core +2 more sources
Density matters: ice compressibility and glacier mass estimation
Journal of Glaciology, 2022 Ice flow models typically assume that ice is incompressible, a reasonable assumption because ice density changes are indeed small and have a correspondingly small effect on the overall mass balance of glaciers and ice sheets.
Bradley Paul Lipovsky
doaj +1 more source
Fundamental Ice Crystal Accretion Physics Studies [PDF]
SAE Technical Paper Series, 2011 <div class="section abstract"><div class="htmlview paragraph">Due to numerous engine power-loss events associated with high-altitude convective weather, ice accretion within an engine due to ice-crystal ingestion is being investigated. The National Aeronautics and Space Administration (NASA) and the National Research Council (NRC) of ...
Struk, P. +7 more
openaire +2 more sources
Thermodynamics of the classical spin-ice model with nearest neighbour interactions using the Wang-Landau algorithm [PDF]
, 2015 In this article we study the classical nearest-neighbour spin-ice model (nnSI) by means of Monte Carlo simulations, using the Wang-Landau algorithm. The nnSI describes several of the salient features of the spin-ice materials.
Betouras, J. J. +4 more
core +4 more sources
Ice: a strongly correlated proton system
, 2005 We discuss the problem of proton motion in Hydrogen bond materials with special focus on ice. We show that phenomenological models proposed in the past for the study of ice can be recast in terms of microscopic models in close relationship to the ones ...
A. H. Castro Neto +14 more
core +1 more source