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  • Other Sources  (6)
  • Wiley  (4)
  • British Antarctic Survey  (2)
  • 1980-1984  (6)
  • 1950-1954
  • 1981  (6)
  • 1
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    Applied Regression Analysis (1981)
    Wiley
    In:  New York, 2nd Edition, 709 pp., Wiley, vol. 75, no. 2, pp. 2-203, (ISBN: 3-7643-7143-9)
    Details
    Publication Date: 1981
    Keywords: Correlation ; Data analysis / ~ processing ; fit ; Textbook of mathematics
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Late Wisconsin-Weichselian Mountain Glaciers and Small Ice Caps (1981)
    Wiley
    In:  In: The last great ice sheets. , ed. by Denton, G. H. and Hughes, T. J. Wiley, New York, pp. 179-206. ISBN 0-471-06006-2
    Details
    Publication Date: 2017-04-10
    Type: Book chapter , NonPeerReviewed
    Format: text
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    PAPER (OCEANREP)
  • 3
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    Cephalopod remains in regurgitations of black-browed and grey-headed albatrosses at South Georia (1981)
    British Antarctic Survey
    In:  British Antarctic Survey Butlletin, 54 . pp. 1-7.
    Details
    Publication Date: 2020-06-15
    Description: 122 regurgitations by adults and chicks of the small grey-headed and black-browed albatrosses (mollymauks) included, besides flesh remains, 421 upper beaks (mandibles) and 422 lower beaks of cephalopods. The lower beaks and some flesh remains were identified, their lower rostral lengths were measured and the wet weight of squids represented by beaks was estimated. Nine species of squid and one octopod were identified. In both species of albatross, the muscular ommastrephid squid Todarodes is the principal squid in the diet, contributing 88% of the beaks and an estimated 91% of the weight of cephalopods represented by beaks in grey-headed albatrosses and 68% of the beaks and 76% of the weight in black-browed albatrosses. Second in importance in the diet is a cranchiid Mesonychoteuthis sp. A, which contributes 8% and 25% by number and 4% and 12% by weight to the diet of grey-headed and blackbrowed albatrosses, respectively. The eight remaining species are each represented by either one or two lower beaks. These samples are compared with samples from sperm whale stomachs and wandering albatrosses also collected near South Georgia.
    Type: Article , PeerReviewed
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  • 4
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    Cephalopod remains in regurgitations of the wandering albatross diomedea exulans L. at south georgia (1981)
    British Antarctic Survey
    In:  British Antarctic Survey Butlletin, 54 . pp. 9-21.
    Details
    Publication Date: 2020-06-15
    Description: Regurgitations of the chicks of wandering albatrosses near their nests included 762 upper beaks (mandibles) and 532 lower beaks of cephalopods. Twenty-five species of cephalopod are present in the diet. Analysis of the complete samples shows the three most important species in the diet to be Kondakovia longimana (40.0% by number), Taonius pavo (16.9%) and Histioteuthis(?) eltaninae (8.7%). While the large Taningia danae only comprises 1.3% by number, it may contribute over 5% by weight. The species and size ranges of beaks are compared with those occurring in the stomachs of sperm whales killed by whalers in the Southern Hemisphere (Clarke, 1980). The ten complete samples contain an average of 44 beaks which probably represents about 200 days' accumulation. Both Antarctic and warm-water cephalopods are present in the diet. These albatrosses possibly scavenge some of thei food from vomit of sperm whales.
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  • 5
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    Global sedimentary mass balance and sea level changes (1981)
    Wiley
    In:  In: The oceanic lithosphere. , ed. by Emiliani, C. The Sea, 7 . Wiley, New York, pp. 1618-1684. ISBN 0-471-02870-3
    Details
    Publication Date: 2018-02-07
    Type: Book chapter , NonPeerReviewed
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  • 6
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    Seismicity surveys with ocean bottom seismographs off western Canada (1981)
    AGU (American Geophysical Union) | Wiley
    In:  Journal of Geophysical Research: Solid Earth, 86 (B5). pp. 3867-3880.
    Details
    Publication Date: 2021-11-03
    Description: Three arrays of ocean bottom seismographs have been deployed to study the seismicity at the northern end of the Juan de Fuca ridge system off western Canada. Nearly 100 events were located with estimated accuracies generally better than ±10 km, all lying on or near the en echalon ridge-transform fault plate boundaries as defined in this area by the magnetic anomalies, the seafloor morphology and by other geophysical data. The depths of 12 events were determined to lie between 2 and 6 km below the top of the crust. The seismograms exhibit clear P and S wave arrivals along with phases that involve P to S and sometimes S to P conversion probably at the base of the sediments beneath the instruments. The event magnitudes have been estimated from signal duration using four calibration events that were well recorded by a land station. The magnitude estimates permit the determination of rough magnitude-frequency of occurrence relations over the magnitude range of 1 to 3 that are in surprisingly good agreement with the recurrence relations for the area at larger magnitudes from 75 years of land station data. The mean P wave velocity in the uppermost mantle from the earthquake data recorded by the sea floor arrays is 7.6 km s-1 and the mean Vp/Vs ratio is 1.71 or a Poisson's ratio of 0.24.
    Type: Article , PeerReviewed
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