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  • Other Sources  (6)
  • American Association for the Advancement of Science (AAAS)
  • Blackwell Publishing Ltd
  • 1980-1984  (3)
  • 1975-1979  (3)
  • 1925-1929
  • 1
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 197 (4298). pp. 53-55.
    Publication Date: 2018-02-07
    Description: Estimation of average Cenozoic sedimentation rates for the Atlantic, Indian, and Pacific oceans indicates global synchronous fluctuations. Paleocene-early Eocene and late Eocene-early Miocene rates are only a fraction of middle Eocene and middle Miocene-Recent rates. These changes must reflect significantly different modes of continental weathering, which may be due to alternate states of atmospheric circulation marked by reduction of global precipitation.
    Type: Article , PeerReviewed
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  • 2
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 224 (4652). pp. 990-992.
    Publication Date: 2019-03-19
    Description: Study of Nautilus belauensis i its natural habitat in Palau, West Caroline Islands, shows that growth is slow (0.1 millimeter of shell per day on the average) and decreases as maturity is approached and that individuals may live at least 4 years beyond maturity. Age estimates for seven animals marked and recaptured between 45 and 355 days after release range from 14.5 to 17.2 years. These data indicate that the life-span of Nautilus may exceed 20 years and that its life strategy is very different from that of other living cephalopods.
    Type: Article , PeerReviewed
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  • 3
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 216 (4550). pp. 1128-1131.
    Publication Date: 2018-03-08
    Description: Large euhedral crystals of calcium carbonate hexahydrate were recovered from a shelf basin of the Bransfield Strait, Antarctic Peninsula, at a water depth of 1950 meters and sub-zero bottom water temperatures. The chemistry, mineralogy, and stable isotope composition of this hydrated calcium carbonate phase, its environment of formation, and its mode of precipitation confirm the properties variously attributed to hypothetical precursors of the glendonites and thereby greatly expand their use in paleoceanographic interpretation.
    Type: Article , PeerReviewed
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  • 4
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 213 (4512). pp. 1113-1114.
    Publication Date: 2019-01-21
    Description: During an almost yearlong period of observations made with a current meter in the fracture zone between the Falkland Islands (Islas Malvinas) and South Georgia, several overflow events were recorded at a depth of 3000 meters carrying cold bottom water from the Scotia Sea into the Argentine Basin. The outflow bursts of Scotia Sea bottom water, a mixing product of Weddell Sea and eastern Pacific bottom water, were associated with typical speeds of more than 28 centimeters per second toward the northwest and characteristic temperatures below 0.6°C. The maximum 24-hour average speed of 65 centimeters per second, together with a temperature of 0.29°C, was encountered on 14 November 1980 at a water depth of 2973 meters, 35 meters above the sea floor.
    Type: Article , PeerReviewed
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  • 5
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 191 (4231). pp. 1046-1048.
    Publication Date: 2020-05-08
    Description: Midwater squid respond to overhead illumination by turning on numerous downward-directed photophores; they turn off the photophores when overhead illumination is eliminated. The squid are invisible when the intensity of the photophores matches the intensity of the overhead illumination. These results strongly support the theory of ventral bioluminescent countershading.
    Type: Article , PeerReviewed
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  • 6
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 204 (4391). pp. 404-407.
    Publication Date: 2019-05-24
    Description: The strontium to calcium ratio of skeletal aragonite in three genera of reef-building corals varies as a simple function of temperature and the strontium to calcium ratio of the incubation water. The strontiumlcalcium distribution coefficients of coral aragonite apparently differ from the corresponding coefficient of inorganically precipitated aragonite. With some care, coral skeletons can be used as recording thermometers.
    Type: Article , PeerReviewed
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