ice shelf
Calving cycle of the Brunt Ice Shelf, Antarctica, driven by changes in ice shelf geometry
... how ice shelves that are dynamically con- strained by local pinning points, such as the Brunt Ice Shelf, can experience significant changes in internal stress over decadal timescales, due to their ...
17
Spatial Sciences on Ice: 50 years of Australian activities on the Amery Ice Shelf, East Antarctica
... Amery Ice Shelf (AIS) and the glaciers that feed ...continental ice from an area of more than one million square kilometres (Allison 1991) through a section of coastline that represents approximately ...
20
Ice and firn heterogeneity within Larsen C Ice Shelf from borehole optical televiewing
... C Ice Shelf, Antarctica, have been described and analyzed. The ice shelf density structure has been reconstructed based on OPTV image luminosity and the refrozen melt portion based on ...
15
A numerical study of ocean circulation and ice ocean interaction, beneath the Amery Ice Shelf, Antarctica
... 2.3 where T and S are water temperature and salinity respectively, with the subscript b indicating conditions at the boundary, P is the pressure· at the base of the ice shelf, m is the m[r] ...
268
Centuries of intense surface melt on Larsen C Ice Shelf
... There is ample evidence from station observations of sig- nificant warming in the AP region during the second half of the 20th century including the Orcadas (Zazulie et al., 2010) and Vernadsky stations (Turner et al., ...
11
GPS derived strain rates on an active ice shelf rift
... investigated ice shelf rift propagation using different techniques including satellite imagery, InSAR, satellite altimetry, GPS and seismic ...the ice shelf and occurs in episodic bursts [2], ...
12
Monitoring ice shelf velocities from repeat MODIS and Landsat data – a method study on the Larsen C ice shelf, Antarctic Peninsula, and 10 other ice shelves around Antarctica
... low-velocity ice shelf area as the Larsen C North ...the ice velocities over the grounded low-velocity area are found, and these velocities are finally used to co-register the Larsen C North images ...
18
A history of spatial sciences on the Amery Ice Shelf, East Antarctica
... the ice shelf (Phillips ...the ice shelf survey, the second as a series of local base stations on the ice shelf and the third mounted on a skidoo to collect kinematic GPS surface ...
17
Numerical simulations of a kilometre-thick Arctic ice shelf consistent with ice grounding observations
... thick ice shelf covering the Arctic Basin during glacial stages was proposed in the 1970s, in broad analogy to the marine-based West Antarctic Ice Sheet 1 – 3 ; building on a hypothesis originally ...
10
Marine ice sheet instability and ice shelf buttressing of the Minch ice stream, Northwest Scotland
... of ice sheet change to better understand the dynamics of marine ice sheets over millennial ...Bay Ice Stream, Antarctica, since the Last Glacial Maximum (LGM) shows that the episodic retreat was ...
18
Wind causes Totten Ice Shelf melt and acceleration
... continental shelf ( 14 17 ), and a recent survey confirmed the ability of mCDW to traverse the continental shelf and fill the troughs near the TIS ice front (18, ...sea ice production, which ...
8
Surface Melt on Ross Ice Shelf Interior during a
... While many surface melt events on Ross Ice Shelf are caused by the advection of warm air onto the9. 10.[r] ...
9
Strong tidal variations in ice flow observed across the entire Ronne Ice Shelf and adjoining ice streams
... horizontal ice velocity of up to 20 % of the mean flow (Gudmundsson, ...in ice flow have, un- til now, been limited to the Rutford Ice Stream (Gudmunds- son, 2006), Larsen C Ice Shelf ...
12
Marine ice sheet instability and ice shelf buttressing of the Minch Ice Stream, northwest Scotland
... marine ice sheets. The last deglaciation of the British–Irish Ice Sheet offers a valu- able example to examine these ...Minch Ice Stream, which drained a large proportion of ice from the ...
17
Intercomparison of Antarctic ice-shelf, ocean, and sea-ice interactions simulated by MetROMS-iceshelf and FESOM 1.4
... of ice- shelf ...the ice-shelf front which allows the warm surface waters to slide further back into the cavity, as seen for the Ross Ice Shelf in both models and the Amery ...
36
The evolution of the western rift area of the Fimbul Ice Shelf, Antarctica
... the ice surface, potentially the hyperbolae are originated by a basal crevasse that starts at the lee zone of the rum- ple, propagating westwards as well as ...the ice shelf entirely, but were ...
14
Parameterization for subgrid-scale motion of ice-shelf calving fronts
... of ice-shelf-front motion implicates the handling of residual ice-volume increments that arise from the restriction R ≤ 1 of the ice coverage ra- ...both ice thickness and ve- locity, ...
10
Speedup and fracturing of George VI Ice Shelf, Antarctic Peninsula
... northern ice front for ...the ice-shelf surface were then resolved via a trigonometric approach between the ascending and descending interferograms, assuming that the surface dy- namics had not ...
20
In-situ aircraft observations of ice concentrations within clouds over the Antarctic Peninsula and Larsen Ice Shelf
... of ice crystal con- centrations in Antarctic clouds are presented for the first ...Larsen Ice shelf regions were penetrated by the British Antarctic Survey’s Twin Otter aircraft, which was equipped ...
20
Creep deformation and buttressing capacity of damaged ice shelves: theory and application to Larsen C ice shelf
... talline ice and found that the model did not fit the experi- mental data any better than an isotropic ...an ice shelf, and over long timescales associated with pre- dominantly creep deformation, it ...
17