Numerical modeling of ice detachment tipping processes: insights from the Sedongpu Glacier, southeastern Tibetan Plateau [PDF]
Glacier detachment is a severe natural hazard that can cause enormous damage in downstream regions. During detachment, a glacier will experience an abrupt change from slow-moving to high-speed flow within minutes.
T. Zhang +6 more
doaj +1 more source
Glacier Flow and the Growth of the Glacier Grain [PDF]
The crystallographic results of the Jungfraujoch Research Party’s investigations were published in the Proceedings of the Royal Society in August 1939. It has since occurred to me that insufficient attention was drawn to another factor affecting the movement and growth of the glacier grain ...
openaire +1 more source
A Monte-Carlo error analysis for basal sliding velocity calculations [PDF]
Since glacier beds are mostly inaccessible, numerical inversion of the surface velocity field provides a valuable method for calculating the basal shear stress and sliding velocity. However, previous theoretical studies (limited either to planar slabs or
Nienow, Peter +2 more
core +1 more source
Hydraulic impacts of glacier advance over a sediment bed [PDF]
A sedimentary sequence of till overlying a gravel aquifer was instrumented with water-pressure transducers prior to a small, anticipated surge of the margin of the glacier Breiðamerkurjökull in Iceland.
Zatsepin, Sergei, Boulton, Geoffrey
core +1 more source
Spectral roughness of glaciated bedrock geomorphic surfaces: Implications for glacier sliding [PDF]
A microroughness meter (MRM) was used to measure the high-frequency roughness of a number of geomorphic surfaces in the forefield of Glacier de Tsanfleuron, Switzerland.
Martin J. Siegert +5 more
core +1 more source
Modeling 2m air temperatures over mountain glaciers: Exploring the influence of katabatic cooling and external warming [PDF]
Air temperature is one of the most relevant input variables for snow and ice melt calculations. However, local meteorological conditions, complex topography, and logistical concerns in glacierized regions make the measuring and modeling of air ...
J. M. Shea +7 more
core +1 more source
Monitoring glacier flow speed and calving rates is of interest for climate research, global sea-level studies and Arctic ship traffic. The research station in Ny-Ålesund, Svalbard, offers a unique location close to multiple glacier fronts. In this study,
Rune Gundersen +2 more
doaj +1 more source
The distribution of basal motion beneath a High Arctic polythermal glacier [PDF]
The longitudinal pattern of surface velocity of a large, predominantly colds polythermal glacier (John Evans Glacier, Ellesmere Island, Canada) was measured over summer and winter periods.
Nienow, Peter W. +12 more
core +1 more source
A physically based calving model applied to marine outlet glaciers and implications for the glacier dynamics [PDF]
We present results from numerical ice-flow models that include calving criteria based on penetration of surface and basal crevasses, which in turn is a function of longitudinal strain rates near the glacier front.
Vieli, Andreas +23 more
core +1 more source
Basal Settings Control Fast Ice Flow in the Recovery/Slessor/Bailey Region, East Antarctica
The region of Recovery Glacier, Slessor Glacier, and Bailey Ice Stream, East Antarctica, has remained poorly explored, despite representing the largest potential contributor to future global sea level rise on a centennial to millennial time scale.
Anja Diez +7 more
doaj +1 more source

