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  • Electronic Resource  (13)
  • 1980-1984  (13)
  • 11
    Electronic Resource
    Electronic Resource
    Geostatistical estimation of parameters for hydrologic transport modeling (1981)
    Springer
    Mathematical geology 13 (1981), S. 415-428 
    Details
    ISSN: 1573-8868
    Keywords: geostatistics ; hydrologic transport ; kriging ; radioactive waste disposal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Mathematics
    Notes: Abstract A significant part of the work of evaluating a geologic formation as a potential repository for hazardous wastes is the modeling of contaminant transport in the surrounding media in the event the repository is breached. The transport equations that are commonly used are deterministic functions. However, because the data can vary within the area being considered, there is a degree of uncertainty associated with the results obtained from the contaminant transport models. There are several ways to incorporate uncertainties into the transport equations, but they assume that distributions and parameters such as variances and covariances are known. This paper discusses the application of geostatistical spatial estimation techniques to estimate quantities used in transport modeling. The techniques are illustrated on data from an electric analog simulation of a two-dimensional ground water system. Geostatistical methods were used to estimate potential and hydraulic conductivity surfaces from data generated from the simulation of the ground water system. Although the two surfaces were highly dependent through Darcy's Law, they were estimated independently. Independent verification of the two surfaces showed that they approximately satisfied the required conservation of mass condition that: ∇ ⋅ v = 0.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01079645
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    Paper (German National Licenses)
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  • 12
    Electronic Resource
    Electronic Resource
    Review article (1980)
    Springer
    Synthese 〈Dordrecht〉 43 (1980), S. 433-451 
    Details
    ISSN: 1573-0964
    Source: Springer Online Journal Archives 1860-2000
    Topics: Natural Sciences in General , Philosophy
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00870296
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    Test anxiety and self-schemas (1983)
    Springer
    Motivation and emotion 7 (1983), S. 169-178 
    Details
    ISSN: 1573-6644
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract High and low test-anxious subjects evaluated positively and negatively toned statements as either self-descriptive or other-descriptive. The endorsement results were in accord with the existence of different self-schemas. Specifically, anxious subjects accepted more negative material as self-descriptive. Because the self-concept provides a highly effective cognitive structure for the integration of information, consideration of this difference should be beneficial in altering the effect of test anxiety on learning.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00992900
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    Paper (German National Licenses)
    Fulltext
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