Tidal flexure of ice shelves measured by tiltmeter
A new design of tiltmeter has been used to measure the tidal bending of the Ronne Ice Shelf, Antarctica. By this means the point at which the ice sheet leaves […]
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Read more of: Tidal flexure of ice shelves measured by tiltmeter
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A semi-automated whistler analyser
Read more of: A semi-automated whistler analyserA system to facilitate the analysis of wide-band VLF data from goniometer receivers has been designed and built and is now in use. Whistlers and other types of VLF phenomena […]
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Reproductive biology of the antarctic opisthobranch Philine gibba Strebel
Read more of: Reproductive biology of the antarctic opisthobranch Philine gibba StrebelMonthly samples (August 1974 to February 1976) and cultured material have been used to describe ovotestis maturation, spawning, and larval development of the Antarctic opisthobranch Philine gibba Strebel. Ovotestis maturation […]
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Squid in the diet of Antarctic fur seals: potential links to oceanographic conditions and Antarctic krill abundance
Read more of: Squid in the diet of Antarctic fur seals: potential links to oceanographic conditions and Antarctic krill abundanceUnderstanding how changes in oceanographic conditions affect predators and their prey is fundamental for interpreting variability in natural marine ecosystems. At South Georgia, Antarctic fur seals Arctocephalus gazella are known […]
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Prey differences drive local genetic adaptation in Antarctic fur seals
Read more of: Prey differences drive local genetic adaptation in Antarctic fur sealsAntarctic fur seal Arctocephalus gazella colonies are found on sub-Antarctic islands around the continent. These islands experience a range of conditions in terms of physical and biological habitat, creating a […]
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Sustained Antarctic Research: A 21st Century Imperative
Read more of: Sustained Antarctic Research: A 21st Century ImperativeThe view from the south is, more than ever, dominated by ominous signs of change. Antarctica and the Southern Ocean are intrinsic to the Earth system, and their evolution is […]
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Is vertical shear in an ice shelf negligible?
Read more of: Is vertical shear in an ice shelf negligible?Vertical shear stress in ice shelves cannot be precisely zero, since the upper and lower surfaces are generally not parallel. By performing stress balance on a vertical column in an […]
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Equilibrium profile of ice shelves
Read more of: Equilibrium profile of ice shelvesUsing expressions for ice-shelf creep derived by Weertman (1957) and Thomas (1973[b]) a general method is developed for calculating equilibrium thickness profiles, velocities, and strain-rates for any ice shelf. This […]