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  • 1980-1984  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Cosmic-Ray Record in Solar System Matter (1983)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Nuclear and Particle Science 33 (1983), S. 505-538 
    Details
    ISSN: 0163-8998
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.ns.33.120183.002445
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Atmospheric P CO 2 changes recorded in lake sediments (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 344-346 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Using a four-box model for the global carbon cycle, including the southern ocean reservoir, Lal and Venkatavaradan5 showed that changes in the atmospheric PCo2 or in the large-scale ocean circulation can produce appreciable changes in the atmospheric d14C, of the order observed in the tree-ring ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/308344a0
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  • 3
    Electronic Resource
    Electronic Resource
    Gas-rich meteorites: Probes for particle environment and dynamical processes in the inner solar system (1984)
    Springer
    Space science reviews 37 (1984), S. 111-159 
    Details
    ISSN: 1572-9672
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The discovery in the early sixties of precompaction solar wind irradiation records in the gas-rich meteorites opened up the possibility of studying the solar activity at different epochs in the distant past. Subsequent studies in several meteorites have led to the discovery of the precompaction records of irradiation of constituent grains by solar wind, solar flare and galactic cosmic ray particles. There are also microcraters resulting from their collisions with interplanetary dust grains. Analyses of these records and their observed similarity with those found in the lunar samples led to the hypothesis that the precompaction records in individual components of these meteorites were imprinted while they were residing in the near surface region of their parent bodies, most probably the asteroids. Although the asteroids are the most plausible candidates for the parent bodies of gas-rich meteorites, there exist certain dynamical arguments which tend to favor a cometary origin in certain cases. Also, recent studies indicate that in the case of gas-rich carbonaceous chondrites solar flare irradiation of grains may have occurred prior to formation of the parent bodies. In this review we summarize the significant advances that have taken place in the multi-disciplinary studies (petrography, chemistry, and radiation effects) of the gas-rich meteorites and critically evaluate the present state of our knowledge regarding the origin and evolution of the gas-rich meteorites. The information on the spatial and temporal variations in the interplanetary radiation and particle fluxes, obtained from the analysis of precompaction irradiation records in these meteorites is presented and further studies in certain specific topics are suggested for resolving some of the unsolved problems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00213959
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    Paper (German National Licenses)
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