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Journal of Applied Geodesy

Editor-in-Chief: Kahmen, Heribert / Rizos, Chris


CiteScore 2018: 1.61

SCImago Journal Rank (SJR) 2018: 0.532
Source Normalized Impact per Paper (SNIP) 2018: 1.064

Online
ISSN
1862-9024
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Volume 7, Issue 3

Issues

Risk assessment for slope monitoring

Yin Zhang
  • Corresponding author
  • Geodetic Institute, Leibniz Universität Hannover, Nienburger Straße 1, D-30167 Hannover, Germany
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  • Other articles by this author:
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/ Ingo Neumann
Published Online: 2013-08-06 | DOI: https://doi.org/10.1515/jag-2012-0036

Abstract

One main goal of geodetic deformation monitoring and analysis is minimizing the risk of unexpected collapses of artificial objects and geologic hazards. Nowadays, the methodology in applied geodesy and mathematically founded decisions are usually based on probabilities and significance levels but not on the risk (consequences or costs) itself.

In this study, a new concept which is based on the utility theory is introduced to the current methodology. It allows the consideration of consequences or costs for geodetic decision making in order to meet the real requirements. In this case, possible decisions are evaluated with cost functions for type I and II errors. Finally, the decision leading to the minimum costs or consequences is chosen as the most beneficial one. This procedure allows also identifying the most beneficial additional measurements to reduce the risk of an individual monitoring process. In the last part, the theoretical concept is applied to an example in slope monitoring.

Keywords: geodetic monitoring; hypothesis testing; utility theory; cost functions; decision making

About the article

Published Online: 2013-08-06

Published in Print: 2013-08-01


Citation Information: Journal of Applied Geodesy, Volume 7, Issue 3, Pages 159–171, ISSN (Online) 1862-9024, ISSN (Print) 1862-9016, DOI: https://doi.org/10.1515/jag-2012-0036.

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