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Volume 6, issue 2
Solid Earth, 6, 727–745, 2015
https://doi.org/10.5194/se-6-727-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Solid Earth, 6, 727–745, 2015
https://doi.org/10.5194/se-6-727-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Method article 17 Jun 2015

Method article | 17 Jun 2015

Uncertainty in mapped geological boundaries held by a national geological survey:eliciting the geologists' tacit error model

R. M. Lark et al.

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Albrecht, F., Lang, S., and Höbling, D.: Spatial accuracy assessment of object boundaries for object-based image analysis, in: Proceedings of GEOBIA 2010-Geographic Object-Based Image Analysis, edited by: Addink, E. A., and van Coillie, F. M. B., vol. XXXVIII-4/C7, Ghent University, Ghent, Belgium, 2010.
Anderson, D. W. and Smith C. A. S.: A history of soil classification and soil survey in Canada: Personal perspectives, 91, 675–694, 2011.
Bond, C. E., Gibbs, A., Shipton, Z. K. and Jones, S.: What do you think this is? "conceptual uncertainty" in geoscience interpretation, GSA Today, 17, 4–10, 2007.
Bond, C. E., Lunn, R. J., Shipton, Z. K., and Lunn, A. D.: What makes an expert effective at interpreting seismic images?, Geology, 40, 75–78, 2012.
Brodaric, B., Gahegan, M., and Harrap, R.: The art and science of mapping: computing geological categories from field data, Comput. Geosci., 30, 719–740, 2004.
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Short summary
Boundaries on geological maps are drawn by geologists interpreting evidence (boreholes, surface features, etc.) in light of their geological knowledge. Boundaries are therefore uncertain, and this must be quantified so that map users can make sound decisions. In this paper we show how we can find statistical models of the uncertainty of boundary positions by a structured method to elicit the tacit model of uncertainty which experienced field geologists use when interpreting geological maps.
Boundaries on geological maps are drawn by geologists interpreting evidence (boreholes, surface...
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