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  • Nature Publishing Group  (19,444)
  • 1970-1974  (19,444)
  • 1
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    Variability of the thermohaline staircase (1973)
    Nature Publishing Group
    In:  Nature, 244 (131). pp. 11-12.
    Details
    Publication Date: 2018-03-02
    Description: STEP-LIKE structures in temperature and salinity beneath the Mediterranean water have been observed in the Eastern Atlantic1–6. In Fig. 1 we show the stations where steps have been found in the area to the west of Gibraltar. Salt fingering as a result of double diffusive processes has been suggested as a possible cause for the generation of such step-like structures7. During cruise No. 23 of RV Meteor in 1971 we intended to study the small scale features of such structures8. Some previous observations6 in August/September 1970 had revealed an extensive zone where a “thermohaline staircase” existed (Fig. 1). We therefore selected stations in this area and close to it for the proposed study. A high resolution in situ conductivity-temperature-depth meter of the “Kieler Multi-Meeressonde” type was used for the vertical profiling of temperature and salinity.
    Type: Article , PeerReviewed
    Format: text
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  • 2
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    New Technique for the Study of Sperm Whale Migration (1972)
    Nature Publishing Group
    In:  Nature, 238 (5364). pp. 405-406.
    Details
    Publication Date: 2016-09-14
    Description: In the southern hemisphere, female and young male sperm whales (up to about 39 feet long) are not normally found in higher latitudes than 40° S while large males occur in Antarctic waters1–3; clearly many large bulls must migrate from the breeding areas into colder regions. Evidence of the return of large bulls to lower latitudes rests upon marking them in the Antarctic4 or external infestation by Antarctic Cocconeis or Cyamus 5. Only a single mark5 has been recovered which provides direct evidence for the return north from Antarctic waters. This mark (USSR No. 650203) was fired on December 25, 1967, at 62° 22′ S 26° 25′ E and the whale was killed on May 13, 1968, off Durban. The small size of the male concerned (35 feet at death) makes this record rather surprising although Jonsgård6 did mention that the smallest whales from Antarctic waters were about 35 feet. Marking can provide information on only a small part of the whale population at considerable cost, freshness of the whale restricts the value of infestation as an indicator but the study of food remnants in sperm whale stomachs provides another method without these disadvantages.
    Type: Article , PeerReviewed
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  • 3
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    Significance of Upper Jurassic Sediments in the Knysana Outlier (Cape Province) for Timing of the Breakout of Gondwanaland (1971)
    Nature Publishing Group
    In:  Nature, 232 (28). pp. 37-38.
    Details
    Publication Date: 2016-04-11
    Description: Marine Upper Jurassic sediments have recently been reported from South Africa (Knysna Outlier, Cape Province) for the first time1. They occur as shallow water, sandy clays (Brenton Beds) in association with terrestrial/fluviatile conglomerates and sandstones, which were deposited in an approximately east-west elongate intermontane basin between the Cape Fold mountains (formed of Lower Palaeozoic sediments). Post-Cretaceous erosion has reduced the original deposits to a series of small, isolated outliers, only two of which have been reported to contain marine sediments (Knysna, lower Upper Jurassic; Algoa, Valanginian2) (Fig. 1). Extensive Neocomian-Maas-trichtian outcrops are known from the continental shelf off to the south of South Africa3, and a complete mid-Jurassic to Upper Cretaceous marine succession is suspected on the Agulhas Bank infilling and overlying east-west striking, fault bounded folds of Lower Palaeozoic Cape Supergroup rocks as shown in Fig. 1 (R. V. D., in preparation and refs. 1 and 4).
    Type: Article , PeerReviewed
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  • 4
    Electronic Resource
    Electronic Resource
    Electrical Machines (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 184-184 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROFESSOR LAITHWAITE is a superb popularizer and is incapable of writing a dull book; this is no exception. Linear Electric Motors is a short book (101 pages), which deals with a wide range of topics. It is thought-provoking, but I am forced to ask, who Professor Laithwaite had in mind when he ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236184b0
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  • 5
    Electronic Resource
    Electronic Resource
    Announcements (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 187-187 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] University News Dr Graham Wood has been appointed professor of corrosion science in the University of Manchester Institute of Science and Technology. Professor C. A. Coulson has been appointed first professor of theoretical chemistry in the University of Oxford. Dr D. T. Elmore has been ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236187a0
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  • 6
    Electronic Resource
    Electronic Resource
    Erratum (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 187-187 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the article "A New Approach to Pattern Recognition" by N. Jar dine {Nature, 234, 526; 1971), the second sentence of the third paragraph should read as follows: "It is assumed that each of a set of classes, i,. . ., " = £!, has an a priori probability of occurrence P(f) and is specified by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236187b0
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  • 7
    Electronic Resource
    Electronic Resource
    Women at the Top (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 89-89 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN spite of growing agreement that women can be extremely successful in highly responsible professional positions, there is pathetically little evidence of efforts to stem the complex forces which favour the progress of their male counterparts. A study by the research organization, Political and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236089a0
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  • 8
    Electronic Resource
    Electronic Resource
    Chemistry in Africa (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 92-92 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] "CHEMISTRY is chemistry is chemistry," as Gertrude Stein might have said, had she been thinking of the supposedly supranational nature of science. But is science really so autonomous an activity as to be in essence the same in all countries of the world? It would be convenient if there were such a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236092a0
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  • 9
    Electronic Resource
    Electronic Resource
    New Light on Folded DNA (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 97-97 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NOT long ago Lerman reported that linear double-helical DNA could undergo a transition to a compact non-disym-metric form in solutions containing neutral or acidic polymers and relatively high salt concentrations. Jordan, Lerman and Venable in next Wednesday's Nature New Biology (March 22) present ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236097b0
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  • 10
    Electronic Resource
    Electronic Resource
    Making Conferences Successful (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 101-102 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Many features of the four-yearly Commonwealth Survey Officers' Conference contribute to its success and could be adopted with advantage by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236101a0
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