Prevention of data-loss is an important aspect in the design as well as the operational phase of monitoring networks since data-loss can seriously limit intended information yield. In the literature limited attention has been paid to the origin of unreliable or doubtful data from monitoring networks. Better understanding of causes of data-loss points out effective solutions to increase data yield. This paper introduces FTA as a diagnostic tool to systematically deduce causes of data-loss in long-term monitoring networks in urban drainage systems. In order to illustrate the effectiveness of FTA, a fault tree is developed for a monitoring network and FTA is applied to analyze the data yield of a UV/VIS submersible spectrophotometer. Although some of the causes of data-loss cannot be recovered because the historical database of metadata has been updated infrequently, the example points out that FTA still is a powerful tool to analyze the causes of data-loss and provides useful information on effective data-loss prevention.
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Research Article|
April 01 2009
Fault tree analysis for data-loss in long-term monitoring networks
J. Dirksen;
1Department of Water Management, Faculty of Civil Engineering and Geosciences, Delft University of Technology, P.O. Box 5048, NL-2600 GA Delft, The Netherlands E-mail: j.dirksen@tudelft.nl; j.a.e.tenveldhuis@tudelft.nl; r.p.s.schilperoort@tudelft.nl
2Waternet, P.O. Box 94370, NL-1090, GJ Amsterdam, The Netherlands E-mail: jojanneke.dirksen@waternet.nl
E-mail: j.dirksen@tudelft.nl
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J. A. E. ten Veldhuis;
J. A. E. ten Veldhuis
1Department of Water Management, Faculty of Civil Engineering and Geosciences, Delft University of Technology, P.O. Box 5048, NL-2600 GA Delft, The Netherlands E-mail: j.dirksen@tudelft.nl; j.a.e.tenveldhuis@tudelft.nl; r.p.s.schilperoort@tudelft.nl
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R. P. S. Schilperoort
R. P. S. Schilperoort
1Department of Water Management, Faculty of Civil Engineering and Geosciences, Delft University of Technology, P.O. Box 5048, NL-2600 GA Delft, The Netherlands E-mail: j.dirksen@tudelft.nl; j.a.e.tenveldhuis@tudelft.nl; r.p.s.schilperoort@tudelft.nl
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Water Sci Technol (2009) 60 (4): 909–915.
Citation
J. Dirksen, J. A. E. ten Veldhuis, R. P. S. Schilperoort; Fault tree analysis for data-loss in long-term monitoring networks. Water Sci Technol 1 April 2009; 60 (4): 909–915. doi: https://doi.org/10.2166/wst.2009.427
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J. Dirksen, J. A. E. ten Veldhuis, R. P. S. Schilperoort; Fault tree analysis for data-loss in long-term monitoring networks. Water Sci Technol 1 April 2009; 60 (4): 909–915. doi: https://doi.org/10.2166/wst.2009.427
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