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  • Articles  (3)
  • groundwater  (3)
  • Springer  (3)
  • American Meteorological Society
  • American Physical Society (APS)
  • Blackwell Publishing Ltd
  • De Gruyter
  • International Union of Crystallography
  • Springer Nature
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  • 2000-2004
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  • 1980-1984  (3)
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  • 1984  (3)
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  • Geosciences  (3)
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  • Articles  (3)
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  • Springer  (3)
  • American Meteorological Society
  • American Physical Society (APS)
  • Blackwell Publishing Ltd
  • De Gruyter
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Years
  • 2000-2004
  • 1995-1999
  • 1980-1984  (3)
  • 1955-1959
  • 1935-1939
    • +
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  • 1
    Electronic Resource
    Electronic Resource
    Autorun analysis of sedimentary porous materials (1984)
    Springer
    Mathematical geology 16 (1984), S. 449-463 
    Details
    ISSN: 1573-8868
    Keywords: autorun function ; groundwater ; porosity ; random field ; simulation ; specific surface
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Mathematics
    Notes: Abstract Fundamentals of autorun analysis have been given to describe porous media geometry, including sedimantary rocks. The mathematical abstraction of porous media has been presented on the basis of random fields. Classical parameters of porous media, such as porosity and specific surface, have been expressed in terms of autorun function. Finally, a stochastic model has been proposed for the underlying generating mechanism of the porous medium. This model is capable of producing synthetic porous medium and, on the average, porosity as well as the specific surface. The first autorun coefficient is asymptotically equal to the porosity of the medium concerned. It also has been observed that the porosity together with the autorun function are sufficient to produce the specific surface value of the medium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01886326
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cokriging of aquifer transmissivities from field measurements of transmissivity and specific capacity (1984)
    Springer
    Mathematical geology 16 (1984), S. 19-35 
    Details
    ISSN: 1573-8868
    Keywords: groundwater ; geostatistics ; cokriging ; kriging ; transmissivity ; specific capacity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Mathematics
    Notes: Abstract This paper presents a new application of the cokriging technique for constructing maps of aquifer transmissivity from field measurements of transmissivity and specific capacity. The technique is illustrated using data from Yolo Basin, California. Cokriging is well-suited for estimating undersampled variables. To improve the accuracy of the estimation, cokriging considers the spatial auto-correlation of the variable to be estimated and the spatial cross-correlation between the variable to be estimated and other, better-sampled variables. Consequently, in regions that lack data of the variable to be estimated, accurate estimation can still be made on the basis of auto- and cross-correlation. In addition, estimation variances can be obtained with a little additional computation effort.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01036238
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A geostatistically based approach to the identification of aquifer transmissivities in Yolo Basin, California (1984)
    Springer
    Mathematical geology 16 (1984), S. 125-137 
    Details
    ISSN: 1573-8868
    Keywords: kriging ; cokriging ; hydrology ; groundwater
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Mathematics
    Notes: Abstract A geostatistically based approach is developed for the identification of aquifer transmissivities in Yolo Basin, California. The approach combines weighted least-squares with universal kriging and cokriging techniques in an overall scheme that (1)considers a prioriknown information on aquifer transmissivity and specific capacities of wells, (2)considers uncertainties in water level and transmissivity data, and (3)estimates the reliability of the generated transmissivity values. Minimization of a global least-squares function that incorporates calibration and plausibility criteria leads to a transmissivity map that shows a good agreement with pumping-test results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01032212
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    Paper (German National Licenses)
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