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  • Nature Publishing Group  (7)
  • 1990-1994  (7)
  • 1
    Electronic Resource
    Electronic Resource
    Massive iceberg discharges as triggers for global climate change (1994)
    [s.l.] : Nature Publishing Group
    Nature 372 (1994), S. 421-424 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Observations of large and abrupt climate changes recorded in Greenland ice cores have spurred a search for clues to their cause. This search has revealed that at six times during the last glaciation, huge armadas of icebergs launched from Canada spread across the northern Atlantic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/372421a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    An unstable superconveyor (1994)
    [s.l.] : Nature Publishing Group
    Nature 367 (1994), S. 414-415 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE glacial portion of the record kept in Greenland ice is riddled with large and abrupt shifts in oxygen isotope ratio and dust content. These climatic changes have been attributed to switches in the mode of operation of the Atlantic Ocean's thermo-haline circulation1. Ocean ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/367414a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Upset for Milankovitch theory (1992)
    [s.l.] : Nature Publishing Group
    Nature 359 (1992), S. 779-780 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE of the fundamental tenets of palaeoclimate modelling, the Milan-kovitch theory, is called into doubt by isotope analyses of a calcite vein, just reported in Science by Winograd and colleagues1'2. The theory, which is backed up by a compelling bank of evidence, suggests that the ice ages are ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/359779a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Interhemispheric transport of carbon dioxide by ocean circulation (1992)
    [s.l.] : Nature Publishing Group
    Nature 356 (1992), S. 587-589 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During the 1980s, the CO2 content of the atmosphere at high northern latitudes was on average greater than that at southern high latitudes by ~3 p.p.m. (refs 1-3). This difference is only about half that predicted on the basis of model calculations which include CO2 uptake by the southern oceans. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/356587a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Diminishing oxygen (1992)
    [s.l.] : Nature Publishing Group
    Nature 358 (1992), S. 710-711 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A METHOD for keeping track of changes in the atmosphere's oxygen content, de-scribed by Keeling and Shertz on page 723 of this issue1, could make it possible to unravel the complexities of the carbon cycle, which is essential to any under-standing of CC〉2 variations and green-house warming. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/358710a0
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  • 6
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    Interhemispheric transport of carbon dioxide by ocean circulation (1992)
    Nature Publishing Group
    In:  Nature, 356 (6370). pp. 587-589.
    Details
    Publication Date: 2016-06-10
    Description: ALTHOUGH anthropogenic emissions of carbon dioxide have today created a greater atmospheric CO2concentration in the Northern than in the Southern Hemisphere, a comparison of interhemispheric CO2 profiles from 1980 and 1962 led Keeling and Heimann1,2 to conclude that, before the Industrial Revolution, natural CO2 sources and sinks acted to set up a reverse (south to north) gradient which drove about one gigatonne of carbon each year through the atmosphere from the Southern to the Northern Hemisphere. At steady state, this flux must have been balanced by a counter flow of carbon from north to south through the ocean. Here we present a means to estimate this natural flux by a separation of oceanic carbon anomalies into those created by biogenic processes and those created by CO2 exchange between the ocean and atmosphere. We find that before the Industrial Revolution, deep water formed in the northern Atlantic Ocean carried about 0.6 gigatonnes of carbon annually to the Southern Hemisphere, providing support for Keeling and Heimann's proposal. The existence of this oceanic carbon pump also raises questions about the need for a large terrestrial carbon sink in the Northern Hemisphere, as postulated by Tans et al.3, to balance the present global carbon budget.
    Type: Article , PeerReviewed
    Format: text
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  • 7
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    Upset for Milankovitch theory (1992)
    Nature Publishing Group
    In:  Nature, 359 (6398). pp. 779-780.
    Details
    Publication Date: 2016-06-10
    Type: Article , PeerReviewed
    Format: text
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    PAPER (OCEANREP)
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