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  • 1
    Monograph available for loan
    Monograph available for loan
    Hierarchy : Perspectives for ecological complexity (1982)
    Chicago [u.a.] : The Univ. of Chicago Press
    Details Availability
    Call number: PIK N 070-94-0370
    Type of Medium: Monograph available for loan
    Pages: XVI, 310 S.
    ISBN: 0226014312 , 0-226-01432-0
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 2
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    (Table 2) Stable oxygen isotope ratios of foraminifera from sediment core V27-86 (1982)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Keywords: Cibicides wuellerstorfi, δ18O; DEPTH, sediment/rock; Foraminifera, benthic δ18O; Globigerina pachyderma, δ18O; Mass spectrometer VG Micromass 602; Oridorsalis tener, δ18O; PC; Piston corer; V27; V27-86; Vema
    Type: Dataset
    Format: text/tab-separated-values, 130 data points
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    DATA PANGAEA
  • 3
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    Mental workload in supervisory control of automated aircraft (1983)
    In:  CASI
    Details
    Publication Date: 2004-10-30
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: 19th Annual Conference on Manual Control; p 40-57
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Human decision model in failure compensation (1983)
    In:  CASI
    Details
    Publication Date: 2004-10-30
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: 19th Annual Conference on Manual Control; p 338-351
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Large scale temporal and radial gradients in the IMF - Helios 1, 2, ISEE-3, and Pioneer 10, 11 (1984)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: Recent investigations using measurements at 1 AU have discovered three types of long term variation in the interplanetary magnetic field: solar minimum decreases, solar maximum enhancements, and small decreases around solar reversal. In this study the 1972-1982 Helios 1, 2, ISEE-3, and Pioneer 10, 11 observations between 0.3 and 12 AU are examined to further investigate these changes. It was found that all three IMF solar cycle effects are also present in the Helios and Pioneer measurements, confirming that these variations occur throughout the low latitude heliosphere. In addition, the comparison of measurements by identical magnetometers on ISEE-3, Pioneer 10 and Pioneer 11 has revealed a more rapid decrease in IMF intensity than predicted by classical Parker theory. Causes and ramifications of both the long term variations and steeper-than-expected radial gradients in the interplanetary magnetic field are discussed.
    Keywords: SOLAR PHYSICS
    Type: Geophysical Research Letters (ISSN 0094-8276); 11; 279-282
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    The effect of corotating interaction regions on the propagation of relativistic cosmic rays in the heliosphere (1982)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: This paper questions the validity of modulation theories that ignore the presence of large regions of enhanced magnetic field in the heliosphere. The scatter-free and diffusive motion of relativistic cosmic rays is simulated in models of the heliospheric magnetic field, which include compressed field structures representing the corotating interaction regions that are believed to be present in the interplanetary medium throughout most of the solar cycle. It is found that the strong field gradients associated with these regions greatly perturb the drift pattern anticipated for simple Parkerian fields, and thus the expected streaming of cosmic rays from over the poles or along the current sheet, during consecutive solar cycles, no longer holds.
    Keywords: SPACE RADIATION
    Type: Journal of Geophysical Research; 87; June 1
    Format: text
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  • 7
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    The structure and dynamics of the heliospheric current sheet (1981)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: It has been suggested that the sector structure observed in the interplanetary magnetic field may be interpreted in terms of a warped equatorial current sheet in the heliosphere. The reported study seeks to investigate this suggestion and to provide a clear picture of the topology of the current sheet. An analysis is presented of the magnetic field data obtained by the Pioneer 10 and 11 spacecraft during the time from 1972 to 1976, taking into account a range of heliocentric distances from 1 to 8.5 AU. The single most convincing observation in support of the warped current sheet hypothesis is the almost complete disappearance of the sector structure in the Pioneer 11 data when the spacecraft reaches a heliographic latitude of 16 deg in 1976. The observation suggests that the spacecraft was consistently above the current sheet for a period of several months.
    Keywords: SOLAR PHYSICS
    Type: Journal of Geophysical Research; 86; Dec. 1
    Format: text
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  • 8
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    Changes in cosmic ray propagation induced by corotating interaction regions (1981)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: By simulating the trajectories for scatter free and diffusive propagation of relativistic cosmic rays in a model of the heliospheric magnetic fields containing a representation of corotating interaction regions (CIR's), it is found that, due to the large gradients associated with these compression regions, the motion is strongly affected and differs substantially from the predictions of current modulation theory. For positive (outward) northern hemisphere polarity, particles do not stream purely from high latitudes but can come from almost any latitude in the outer heliosphere; for negative polarity, many particles come along the current sheet (as predicted) but a second, equally important, population exists comprising particles that do not start on the current sheet but are brought to low latitudes by their interaction with CIR's. Thus, it is concluded that CIR's (and other large scale structures) cannot be ignored in analyses of cosmic ray modulation.
    Keywords: SPACE RADIATION
    Format: text
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  • 9
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    The effect of the solar field reversal on the modulation of galactic cosmic rays (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: There is now a growing awareness that solar cycle related changes in the large-scale structure of the interplanetary magnetic field (IMF) may play an important role in the modulation of galactic cosmic rays. To date, attention focussed on two aspects of the magnetic field structure: large scale compression regions produced by fast solar wind streams and solar flares, both of which are known to vary in intensity and number over the solar cycle, and the variable warp of the heliospheric current sheet. It is suggested that another feature of the solar cycle is worthy of consideration: the field reversal itself. If the Sun reverses its polarity by simply overturning the heliospheric current sheet (northern fields migrating southward and vice-versa) then there may well be an effect on cosmic ray intensity. However, such a simple picture of solar reversal seems improbable. Observations of the solar corona suggest the existence of not one but several current sheets in the heliosphere at solar maximum. The results of a simple calculation to demonstrate that the variation in cosmic ray intensities that will result can be as large as is actually observed over the solar cycle are given.
    Keywords: SOLAR PHYSICS
    Type: Solar Wind Five; p 441-448
    Format: application/pdf
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  • 10
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    Compensation for object movement in remote manipulation (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: Massachusetts Inst. of Tech., 19th Annual Conference on Manual Control; p 305-317
    Format: text
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