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| | Abstract | | Recently, the concept of uncertainty is receiving increased attention in several fields of science and technology. The quantification of uncertainty or the ambiguity of information may enable us to assess the overall risk and thus reduce the uncertainty. The present paper describes various aspects of the concept of uncertainty and clarifies the role of subjectivity among those aspects. I emphasize that the subjectivity or prior knowledge in biasing individuals in their interpretation of the synthetic seismic section does not cause uncertainties but plays an important role to reduce uncertainties. I also demonstrate that there are some ambiguities in the uncertainties of subsurface information derived from seismic exploration data, that is, the definition of uncertainty not only includes the quantification of uncertainty but also covers the field of cognitive science. |
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