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The dynamics of the Antarctic ice sheet are key factors affecting global climate change. To project future sea level changes, ice sheet models are developed based on a discrete grid system, which profoundly impacts the accuracy of numerical simulations.
Large earthquakes in the vicinity of Antarctica have the potential to cause postseismic viscoelastic deformation affecting measurements of displacement that are used to constrain models of glacial isostatic adjustment (GIA). In November 2013, a Mw 7.
A conceptual, lithospheric-scale cross-section of the conjugate, oblique-slip margins of George V Land, East … Antarctica, and southeast Australia (Otway Basin) has been constructed based on the integration of seismic and sample … data.
Subantarctic tall tussock grassland and megaherb … vegetation has been massively aVected by feral herbivores … on islands where both occur.
Reliable estimates of diets are vital to monitor impacts of sea lion populations … on their ecosystems and their interactions with fisheries, and to … understand the role of food to animal nutrition and health. Approaches … include using (1) prey remnants in stomach contents, spews and scats; … (2)…
Elephant seals were immobilized intravenously with a mixture of tiletamine and zolazepam at a rate of 0.5 mg/kg. This provided a satisfactory degree of anaesthesia with no side effects. Induction, duration and recovery times were short which proved advantageous to researchers and animals.
Common geological, geochemical, and geophysical characteristics of continental fragments of East … Gondwana and adjacent oceanic lithosphere define a long-lived, low-volume, diffuse alkaline magmatic … province (DAMP) encompassing the easternmost part of the Indo-Australian Plate, West Antarctica…
The Adare Trough, located 100 km NE of Cape Adare, Antarctica, is the extinct third arm of a Tertiary spreading ridge that … separated East from West Antarctica. We use seismic reflection data, tied to DSDP Site 274…
Macquarie Island, located along the Australian-Pacific transform plate boundary~1200 km south of New Zealand, consists of uplifted oceanic crust that still lies within the ocean basin where it formed. A lower crustal and upper mantle section of sheeted dikes…
Macquarie Island is an exposure above sea-level of part of the crest of the Macquarie Ridge. The ridge marks the Australia-Pacific plate boundary south of New Zealand…