2881 to 2892 of 13906 results
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Palæomagnetism of some dolerite intrusions from the Theron Mountains and Whichaway Nunataks, Antarctica
Read more of: Palæomagnetism of some dolerite intrusions from the Theron Mountains and Whichaway Nunataks, AntarcticaAs a part of the scientific activity of the Commonwealth Trans-Antarctic Expedition a collection of eight oriented samples was made by Stephenson from dolerite sills and dykes in the region […]
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Notes on the ringing and the breeding distribution of the giant petrel Macronectes giganteus
Read more of: Notes on the ringing and the breeding distribution of the giant petrel Macronectes giganteusOf approximately 800 Giant Petrel chicks banded at F.I.D.S. bases in 1956, fourteen were recovered later in the year from Chile, South Africa, Australia and New Zealand. The results compare […]
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Growth rates and ages of crabeater seals, Lobodon carcinophagus Jacquinot and Pucheran
Read more of: Growth rates and ages of crabeater seals, Lobodon carcinophagus Jacquinot and Pucheran1 The internal growth rings of the teeth of the crabeater seal (Lobodon carcinophagus) are described and the annual pattern established. 2 By examination of near term foetuses, recently weaned […]
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Notes on the southern fur seal in South Georgia
Read more of: Notes on the southern fur seal in South GeorgiaThe occurrence of a colony of fur seals in South Georgia is recorded and the observed habits and interspecific relationships of the seals described. The colony is estimated to consist […]
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Geological investigations in the Falkland Islands Dependencies since 1940
Read more of: Geological investigations in the Falkland Islands Dependencies since 1940Scientific interest in the Falkland Islands Dependencies was revived after a lapse of some years when Operation “Tabarin” was formed in 1943, under the auspices of the Royal Navy. In […]
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Examining local time variations in the gains and losses of open magnetic flux during substorms
Read more of: Examining local time variations in the gains and losses of open magnetic flux during substormsThe open magnetic flux content of the magnetosphere varies during substorms as a result of dayside and nightside reconnection. The open flux can be calculated from the area of the […]
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On the role of Rossby wave breaking in quasi‐biennial odulation of the stratospheric polar vortex
Read more of: On the role of Rossby wave breaking in quasi‐biennial odulation of the stratospheric polar vortexThe boreal‐winter stratospheric polar vortex is more disturbed when the quasi‐biennial oscillation (QBO) in the lower stratosphere is in its easterly phase (eQBO), and more stable during the westerly phase […]