Uncertainty assessment of geological models - A qualitative approach

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingspeer-review

10 Citations (Scopus)

Abstract

Geological models are often used in assessments of groundwater resources and groundwater vulnerability, and often in connection with numerical groundwater models. As the uncertainties of the geological models will most likely affect the results of the subsequent calculations and assessments, it is important to describe the uncertainties related to the geological model. A comprehensive assessment of the uncertainties of the geological model is, however, a complicated task. The nature of the data sets included in the geological model is normally very heterogeneous and every data set has uncertainties of its own. In addition to this, the geological interpretations performed during the geological modelling have a high degree of subjectivity. As quantification of the uncertainties of the geological model as a whole is complicated, a simple method for qualitative assessment of the uncertainty of the geological model is proposed. The method takes the uncertainties related to the data sets, the density of data points, as well as the uncertainties related to the geological interpretations into consideration.

Original languageEnglish
Title of host publicationProceedings of an International Conference on Calibration and Reliability in Groundwater Modelling
Subtitle of host publicationCredibility of Modelling, ModelCARE2007
Pages345-349
Number of pages5
Edition320
Publication statusPublished - 2008
EventInternational Conference on Calibration and Reliability in Groundwater Modelling: Credibility of Modelling, ModelCARE2007 - Copenhagen, Denmark
Duration: 9 Sep 200713 Sep 2007

Publication series

NameIAHS-AISH Publication
Number320
ISSN (Print)0144-7815

Conference

ConferenceInternational Conference on Calibration and Reliability in Groundwater Modelling: Credibility of Modelling, ModelCARE2007
Country/TerritoryDenmark
CityCopenhagen
Period9/09/0713/09/07

Keywords

  • Geological models
  • Groundwater
  • Groundwater models
  • Qualitative uncertainty assessments

Programme Area

  • Programme Area 2: Water Resources

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